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-rw-r--r--arch/arm/Kconfig29
-rw-r--r--arch/arm/Makefile2
-rw-r--r--arch/arm/boot/compressed/Makefile5
-rw-r--r--arch/arm/boot/compressed/debug.S28
-rw-r--r--arch/arm/boot/compressed/head-sa1100.S1
-rw-r--r--arch/arm/boot/compressed/head-shark.S1
-rw-r--r--arch/arm/boot/compressed/head.S5
-rw-r--r--arch/arm/boot/dts/Makefile4
-rw-r--r--arch/arm/boot/dts/am33xx.dtsi4
-rw-r--r--arch/arm/boot/dts/armada-370-xp.dtsi3
-rw-r--r--arch/arm/boot/dts/armada-370.dtsi7
-rw-r--r--arch/arm/boot/dts/armada-xp-gp.dts4
-rw-r--r--arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts4
-rw-r--r--arch/arm/boot/dts/armada-xp.dtsi2
-rw-r--r--arch/arm/boot/dts/at91sam9260.dtsi2
-rw-r--r--arch/arm/boot/dts/at91sam9n12.dtsi1
-rw-r--r--arch/arm/boot/dts/at91sam9x25ek.dts2
-rw-r--r--arch/arm/boot/dts/bcm2835.dtsi1
-rw-r--r--arch/arm/boot/dts/exynos5250-pinctrl.dtsi2
-rw-r--r--arch/arm/boot/dts/exynos5250.dtsi19
-rw-r--r--arch/arm/boot/dts/imx25.dtsi12
-rw-r--r--arch/arm/boot/dts/imx27.dtsi6
-rw-r--r--arch/arm/boot/dts/imx51.dtsi2
-rw-r--r--arch/arm/boot/dts/imx53.dtsi2
-rw-r--r--arch/arm/boot/dts/omap3.dtsi2
-rw-r--r--arch/arm/boot/dts/omap4-panda-common.dtsi20
-rw-r--r--arch/arm/boot/dts/omap4-sdp.dts20
-rw-r--r--arch/arm/boot/dts/omap5.dtsi3
-rw-r--r--arch/arm/boot/dts/sama5d3.dtsi12
-rw-r--r--arch/arm/boot/dts/sama5d3xcm.dtsi4
-rw-r--r--arch/arm/boot/dts/ste-nomadik-s8815.dts12
-rw-r--r--arch/arm/boot/dts/sun4i-a10-mini-xplus.dts4
-rw-r--r--arch/arm/common/mcpm_platsmp.c3
-rw-r--r--arch/arm/configs/exynos_defconfig54
-rw-r--r--arch/arm/configs/omap1_defconfig1
-rw-r--r--arch/arm/configs/omap2plus_defconfig2
-rw-r--r--arch/arm/configs/tegra_defconfig3
-rw-r--r--arch/arm/crypto/sha1-armv4-large.S2
-rw-r--r--arch/arm/include/asm/cacheflush.h4
-rw-r--r--arch/arm/include/asm/cmpxchg.h8
-rw-r--r--arch/arm/include/asm/cputype.h2
-rw-r--r--arch/arm/include/asm/glue-proc.h9
-rw-r--r--arch/arm/include/asm/percpu.h11
-rw-r--r--arch/arm/include/asm/smp_plat.h2
-rw-r--r--arch/arm/include/asm/tlb.h27
-rw-r--r--arch/arm/include/debug/ux500.S6
-rw-r--r--arch/arm/kernel/devtree.c10
-rw-r--r--arch/arm/kernel/machine_kexec.c4
-rw-r--r--arch/arm/kernel/process.c44
-rw-r--r--arch/arm/kernel/setup.c2
-rw-r--r--arch/arm/kernel/smp.c15
-rw-r--r--arch/arm/kernel/topology.c2
-rw-r--r--arch/arm/kvm/arm.c15
-rw-r--r--arch/arm/kvm/mmu.c41
-rw-r--r--arch/arm/mach-at91/at91rm9200_time.c7
-rw-r--r--arch/arm/mach-at91/at91sam9n12.c6
-rw-r--r--arch/arm/mach-at91/include/mach/at91_pmc.h6
-rw-r--r--arch/arm/mach-exynos/Kconfig3
-rw-r--r--arch/arm/mach-exynos/common.c41
-rw-r--r--arch/arm/mach-exynos/common.h2
-rw-r--r--arch/arm/mach-exynos/include/mach/pm-core.h14
-rw-r--r--arch/arm/mach-exynos/mach-universal_c210.c5
-rw-r--r--arch/arm/mach-imx/clk-imx6q.c15
-rw-r--r--arch/arm/mach-imx/headsmp.S12
-rw-r--r--arch/arm/mach-imx/platsmp.c14
-rw-r--r--arch/arm/mach-kirkwood/board-ts219.c10
-rw-r--r--arch/arm/mach-kirkwood/common.c6
-rw-r--r--arch/arm/mach-kirkwood/mpp.c5
-rw-r--r--arch/arm/mach-kirkwood/ts219-setup.c2
-rw-r--r--arch/arm/mach-mvebu/Kconfig1
-rw-r--r--arch/arm/mach-mvebu/armada-370-xp.c7
-rw-r--r--arch/arm/mach-mvebu/coherency_ll.S16
-rw-r--r--arch/arm/mach-omap1/dma.c1
-rw-r--r--arch/arm/mach-omap2/cclock33xx_data.c26
-rw-r--r--arch/arm/mach-omap2/clock36xx.c18
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c113
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.h7
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c3
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_33xx_data.c15
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_3xxx_data.c4
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_44xx_data.c6
-rw-r--r--arch/arm/mach-omap2/pm34xx.c6
-rw-r--r--arch/arm/mach-omap2/serial.c31
-rw-r--r--arch/arm/mach-orion5x/common.c7
-rw-r--r--arch/arm/mach-prima2/pm.c6
-rw-r--r--arch/arm/mach-prima2/rstc.c6
-rw-r--r--arch/arm/mach-shmobile/board-marzen.c6
-rw-r--r--arch/arm/mach-shmobile/setup-sh73a0.c2
-rw-r--r--arch/arm/mach-sunxi/Kconfig1
-rw-r--r--arch/arm/mach-tegra/tegra2_emc.c5
-rw-r--r--arch/arm/mach-ux500/Kconfig1
-rw-r--r--arch/arm/mach-ux500/board-mop500-regulators.c3
-rw-r--r--arch/arm/mach-ux500/board-mop500.c6
-rw-r--r--arch/arm/mach-ux500/cpu-db8500.c6
-rw-r--r--arch/arm/mach-ux500/cpuidle.c4
-rw-r--r--arch/arm/mach-ux500/setup.h2
-rw-r--r--arch/arm/mach-vt8500/vt8500.c1
-rw-r--r--arch/arm/mm/cache-v7.S8
-rw-r--r--arch/arm/mm/flush.c33
-rw-r--r--arch/arm/mm/mmu.c8
-rw-r--r--arch/arm/mm/nommu.c6
-rw-r--r--arch/arm/mm/proc-fa526.S1
-rw-r--r--arch/arm/mm/proc-macros.S5
-rw-r--r--arch/arm/mm/proc-v7.S38
-rw-r--r--arch/arm/plat-orion/common.c12
-rw-r--r--arch/arm/plat-orion/include/plat/common.h1
-rw-r--r--arch/arm/plat-samsung/adc.c5
-rw-r--r--arch/arm/plat-samsung/devs.c6
-rw-r--r--arch/arm/plat-samsung/include/plat/uncompress.h10
-rw-r--r--arch/arm/plat-samsung/pm.c18
-rw-r--r--arch/arm/vfp/entry.S2
-rw-r--r--arch/arm/xen/enlighten.c33
112 files changed, 726 insertions, 410 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d423d58f938..136f263ed47 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -38,6 +38,7 @@ config ARM
select HAVE_GENERIC_HARDIRQS
select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
select HAVE_IDE if PCI || ISA || PCMCIA
+ select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZMA
select HAVE_KERNEL_LZO
@@ -488,7 +489,7 @@ config ARCH_IXP4XX
config ARCH_DOVE
bool "Marvell Dove"
select ARCH_REQUIRE_GPIOLIB
- select CPU_V7
+ select CPU_PJ4
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_PCI
select PINCTRL
@@ -1086,6 +1087,20 @@ if !MMU
source "arch/arm/Kconfig-nommu"
endif
+config PJ4B_ERRATA_4742
+ bool "PJ4B Errata 4742: IDLE Wake Up Commands can Cause the CPU Core to Cease Operation"
+ depends on CPU_PJ4B && MACH_ARMADA_370
+ default y
+ help
+ When coming out of either a Wait for Interrupt (WFI) or a Wait for
+ Event (WFE) IDLE states, a specific timing sensitivity exists between
+ the retiring WFI/WFE instructions and the newly issued subsequent
+ instructions. This sensitivity can result in a CPU hang scenario.
+ Workaround:
+ The software must insert either a Data Synchronization Barrier (DSB)
+ or Data Memory Barrier (DMB) command immediately after the WFI/WFE
+ instruction
+
config ARM_ERRATA_326103
bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory"
depends on CPU_V6
@@ -1188,6 +1203,16 @@ config PL310_ERRATA_588369
is not correctly implemented in PL310 as clean lines are not
invalidated as a result of these operations.
+config ARM_ERRATA_643719
+ bool "ARM errata: LoUIS bit field in CLIDR register is incorrect"
+ depends on CPU_V7 && SMP
+ help
+ This option enables the workaround for the 643719 Cortex-A9 (prior to
+ r1p0) erratum. On affected cores the LoUIS bit field of the CLIDR
+ register returns zero when it should return one. The workaround
+ corrects this value, ensuring cache maintenance operations which use
+ it behave as intended and avoiding data corruption.
+
config ARM_ERRATA_720789
bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
depends on CPU_V7
@@ -2005,7 +2030,7 @@ config XIP_PHYS_ADDR
config KEXEC
bool "Kexec system call (EXPERIMENTAL)"
- depends on (!SMP || HOTPLUG_CPU)
+ depends on (!SMP || PM_SLEEP_SMP)
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 47374085bef..1ba358ba16b 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -309,7 +309,7 @@ define archhelp
echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
echo ' uImage - U-Boot wrapped zImage'
- echo ' bootpImage - Combined zImage and initial RAM disk'
+ echo ' bootpImage - Combined zImage and initial RAM disk'
echo ' (supply initrd image via make variable INITRD=<path>)'
echo '* dtbs - Build device tree blobs for enabled boards'
echo ' install - Install uncompressed kernel'
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 3580d57ea21..120b83bfde2 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -116,7 +116,8 @@ targets := vmlinux vmlinux.lds \
# Make sure files are removed during clean
extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern \
- lib1funcs.S ashldi3.S $(libfdt) $(libfdt_hdrs)
+ lib1funcs.S ashldi3.S $(libfdt) $(libfdt_hdrs) \
+ hyp-stub.S
ifeq ($(CONFIG_FUNCTION_TRACER),y)
ORIG_CFLAGS := $(KBUILD_CFLAGS)
@@ -124,7 +125,7 @@ KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
-asflags-y := -Wa,-march=all -DZIMAGE
+asflags-y := -DZIMAGE
# Supply kernel BSS size to the decompressor via a linker symbol.
KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \
diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S
index 6e8382d5b7a..5392ee63338 100644
--- a/arch/arm/boot/compressed/debug.S
+++ b/arch/arm/boot/compressed/debug.S
@@ -1,6 +1,8 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
+#ifndef CONFIG_DEBUG_SEMIHOSTING
+
#include CONFIG_DEBUG_LL_INCLUDE
ENTRY(putc)
@@ -10,3 +12,29 @@ ENTRY(putc)
busyuart r3, r1
mov pc, lr
ENDPROC(putc)
+
+#else
+
+ENTRY(putc)
+ adr r1, 1f
+ ldmia r1, {r2, r3}
+ add r2, r2, r1
+ ldr r1, [r2, r3]
+ strb r0, [r1]
+ mov r0, #0x03 @ SYS_WRITEC
+ ARM( svc #0x123456 )
+ THUMB( svc #0xab )
+ mov pc, lr
+ .align 2
+1: .word _GLOBAL_OFFSET_TABLE_ - .
+ .word semi_writec_buf(GOT)
+ENDPROC(putc)
+
+ .bss
+ .global semi_writec_buf
+ .type semi_writec_buf, %object
+semi_writec_buf:
+ .space 4
+ .size semi_writec_buf, 4
+
+#endif
diff --git a/arch/arm/boot/compressed/head-sa1100.S b/arch/arm/boot/compressed/head-sa1100.S
index 6179d94dd5c..3115e313d9f 100644
--- a/arch/arm/boot/compressed/head-sa1100.S
+++ b/arch/arm/boot/compressed/head-sa1100.S
@@ -11,6 +11,7 @@
#include <asm/mach-types.h>
.section ".start", "ax"
+ .arch armv4
__SA1100_start:
diff --git a/arch/arm/boot/compressed/head-shark.S b/arch/arm/boot/compressed/head-shark.S
index 089c560e07f..92b56897ed6 100644
--- a/arch/arm/boot/compressed/head-shark.S
+++ b/arch/arm/boot/compressed/head-shark.S
@@ -18,6 +18,7 @@
.section ".start", "ax"
+ .arch armv4
b __beginning
__ofw_data: .long 0 @ the number of memory blocks
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index fe4d9c3ad76..032a8d98714 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -11,6 +11,7 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
+ .arch armv7-a
/*
* Debugging stuff
*
@@ -805,8 +806,8 @@ call_cache_fn: adr r12, proc_types
.align 2
.type proc_types,#object
proc_types:
- .word 0x00000000 @ old ARM ID
- .word 0x0000f000
+ .word 0x41000000 @ old ARM ID
+ .word 0xff00f000
mov pc, lr
THUMB( nop )
mov pc, lr
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b9f7121e6ec..f0895c581a8 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -177,7 +177,9 @@ dtb-$(CONFIG_ARCH_SPEAR3XX)+= spear300-evb.dtb \
spear320-evb.dtb \
spear320-hmi.dtb
dtb-$(CONFIG_ARCH_SPEAR6XX)+= spear600-evb.dtb
-dtb-$(CONFIG_ARCH_SUNXI) += sun4i-a10-cubieboard.dtb \
+dtb-$(CONFIG_ARCH_SUNXI) += \
+ sun4i-a10-cubieboard.dtb \
+ sun4i-a10-mini-xplus.dtb \
sun4i-a10-hackberry.dtb \
sun5i-a13-olinuxino.dtb
dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 1460d9b88ad..8e1248f01fa 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -409,8 +409,8 @@
ti,hwmods = "gpmc";
reg = <0x50000000 0x2000>;
interrupts = <100>;
- num-cs = <7>;
- num-waitpins = <2>;
+ gpmc,num-cs = <7>;
+ gpmc,num-waitpins = <2>;
#address-cells = <2>;
#size-cells = <1>;
status = "disabled";
diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 272bbc65fab..550eb772c30 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -33,7 +33,8 @@
#size-cells = <1>;
compatible = "simple-bus";
interrupt-parent = <&mpic>;
- ranges = <0 0 0xd0000000 0x100000>;
+ ranges = <0 0 0xd0000000 0x0100000 /* internal registers */
+ 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */>;
internal-regs {
compatible = "simple-bus";
diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi
index b2c1b5af974..aee2b1866ce 100644
--- a/arch/arm/boot/dts/armada-370.dtsi
+++ b/arch/arm/boot/dts/armada-370.dtsi
@@ -29,7 +29,8 @@
};
soc {
- ranges = <0 0xd0000000 0x100000>;
+ ranges = <0 0xd0000000 0x0100000 /* internal registers */
+ 0xe0000000 0xe0000000 0x8100000 /* PCIe */>;
internal-regs {
system-controller@18200 {
compatible = "marvell,armada-370-xp-system-controller";
@@ -38,12 +39,12 @@
L2: l2-cache {
compatible = "marvell,aurora-outer-cache";
- reg = <0xd0008000 0x1000>;
+ reg = <0x08000 0x1000>;
cache-id-part = <0x100>;
wt-override;
};
- mpic: interrupt-controller@20000 {
+ interrupt-controller@20000 {
reg = <0x20a00 0x1d0>, <0x21870 0x58>;
};
diff --git a/arch/arm/boot/dts/armada-xp-gp.dts b/arch/arm/boot/dts/armada-xp-gp.dts
index 26ad06fc147..76db557adbe 100644
--- a/arch/arm/boot/dts/armada-xp-gp.dts
+++ b/arch/arm/boot/dts/armada-xp-gp.dts
@@ -39,6 +39,10 @@
};
soc {
+ ranges = <0 0 0xd0000000 0x100000 /* Internal registers 1MiB */
+ 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */
+ 0xf0000000 0 0xf0000000 0x1000000 /* Device Bus, NOR 16MiB */>;
+
internal-regs {
serial@12000 {
clock-frequency = <250000000>;
diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
index f14d36c4615..fdea75c7341 100644
--- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
+++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
@@ -27,6 +27,10 @@
};
soc {
+ ranges = <0 0 0xd0000000 0x100000 /* Internal registers 1MiB */
+ 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */
+ 0xf0000000 0 0xf0000000 0x8000000 /* Device Bus, NOR 128MiB */>;
+
internal-regs {
serial@12000 {
clock-frequency = <250000000>;
diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
index bacab11c10d..5b902f9a3af 100644
--- a/arch/arm/boot/dts/armada-xp.dtsi
+++ b/arch/arm/boot/dts/armada-xp.dtsi
@@ -31,7 +31,7 @@
wt-override;
};
- mpic: interrupt-controller@20000 {
+ interrupt-controller@20000 {
reg = <0x20a00 0x2d0>, <0x21070 0x58>;
};
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index 70b5ccbac23..84c4bef2d72 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -264,7 +264,7 @@
atmel,pins =
<0 10 0x2 0x0 /* PA10 periph B */
0 11 0x2 0x0 /* PA11 periph B */
- 0 24 0x2 0x0 /* PA24 periph B */
+ 0 22 0x2 0x0 /* PA22 periph B */
0 25 0x2 0x0 /* PA25 periph B */
0 26 0x2 0x0 /* PA26 periph B */
0 27 0x2 0x0 /* PA27 periph B */
diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index 3de8e6dfbcb..8d25f889928 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -57,6 +57,7 @@
compatible = "atmel,at91rm9200-aic";
interrupt-controller;
reg = <0xfffff000 0x200>;
+ atmel,external-irqs = <31>;
};
ramc0: ramc@ffffe800 {
diff --git a/arch/arm/boot/dts/at91sam9x25ek.dts b/arch/arm/boot/dts/at91sam9x25ek.dts
index 3b40d11d65e..315250b4995 100644
--- a/arch/arm/boot/dts/at91sam9x25ek.dts
+++ b/arch/arm/boot/dts/at91sam9x25ek.dts
@@ -11,7 +11,7 @@
/include/ "at91sam9x5ek.dtsi"
/ {
- model = "Atmel AT91SAM9G25-EK";
+ model = "Atmel AT91SAM9X25-EK";
compatible = "atmel,at91sam9x25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
ahb {
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index f0052dccf9a..1e12aeff403 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -44,6 +44,7 @@
reg = <0x7e201000 0x1000>;
interrupts = <2 25>;
clock-frequency = <3000000>;
+ arm,primecell-periphid = <0x00241011>;
};
gpio: gpio {
diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
index d1650fb34c0..ded558bb0f3 100644
--- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
@@ -763,7 +763,7 @@
};
};
- pinctrl@03680000 {
+ pinctrl@03860000 {
gpz: gpz {
gpio-controller;
#gpio-cells = <2>;
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 98dfc3ea5c0..fc9fb3d526e 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -161,9 +161,9 @@
interrupts = <0 50 0>;
};
- pinctrl_3: pinctrl@03680000 {
+ pinctrl_3: pinctrl@03860000 {
compatible = "samsung,exynos5250-pinctrl";
- reg = <0x0368000 0x1000>;
+ reg = <0x03860000 0x1000>;
interrupts = <0 47 0>;
};
@@ -497,6 +497,21 @@
clock-names = "usbhost";
};
+ usbphy@12130000 {
+ compatible = "samsung,exynos5250-usb2phy";
+ reg = <0x12130000 0x100>;
+ clocks = <&clock 1>, <&clock 285>;
+ clock-names = "ext_xtal", "usbhost";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ usbphy-sys {
+ reg = <0x10040704 0x8>,
+ <0x10050230 0x4>;
+ };
+ };
+
amba {
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index d2550e0bca2..701153992c6 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -141,8 +141,8 @@
#size-cells = <0>;
compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
reg = <0x43fa4000 0x4000>;
- clocks = <&clks 62>;
- clock-names = "ipg";
+ clocks = <&clks 62>, <&clks 62>;
+ clock-names = "ipg", "per";
interrupts = <14>;
status = "disabled";
};
@@ -182,8 +182,8 @@
compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
reg = <0x50004000 0x4000>;
interrupts = <0>;
- clocks = <&clks 80>;
- clock-names = "ipg";
+ clocks = <&clks 80>, <&clks 80>;
+ clock-names = "ipg", "per";
status = "disabled";
};
@@ -210,8 +210,8 @@
#size-cells = <0>;
compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
reg = <0x50010000 0x4000>;
- clocks = <&clks 79>;
- clock-names = "ipg";
+ clocks = <&clks 79>, <&clks 79>;
+ clock-names = "ipg", "per";
interrupts = <13>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index ff4bd4873ed..75bd1138651 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -131,7 +131,7 @@
compatible = "fsl,imx27-cspi";
reg = <0x1000e000 0x1000>;
interrupts = <16>;
- clocks = <&clks 53>, <&clks 0>;
+ clocks = <&clks 53>, <&clks 53>;
clock-names = "ipg", "per";
status = "disabled";
};
@@ -142,7 +142,7 @@
compatible = "fsl,imx27-cspi";
reg = <0x1000f000 0x1000>;
interrupts = <15>;
- clocks = <&clks 52>, <&clks 0>;
+ clocks = <&clks 52>, <&clks 52>;
clock-names = "ipg", "per";
status = "disabled";
};
@@ -223,7 +223,7 @@
compatible = "fsl,imx27-cspi";
reg = <0x10017000 0x1000>;
interrupts = <6>;
- clocks = <&clks 51>, <&clks 0>;
+ clocks = <&clks 51>, <&clks 51>;
clock-names = "ipg", "per";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index 21bb786c5b3..53fdde69bbf 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -631,7 +631,7 @@
compatible = "fsl,imx51-cspi", "fsl,imx35-cspi";
reg = <0x83fc0000 0x4000>;
interrupts = <38>;
- clocks = <&clks 55>, <&clks 0>;
+ clocks = <&clks 55>, <&clks 55>;
clock-names = "ipg", "per";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index 845982eaac2..eb83aa039b8 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -714,7 +714,7 @@
compatible = "fsl,imx53-cspi", "fsl,imx35-cspi";
reg = <0x63fc0000 0x4000>;
interrupts = <38>;
- clocks = <&clks 55>, <&clks 0>;
+ clocks = <&clks 55>, <&clks 55>;
clock-names = "ipg", "per";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index 82a404da1c0..99ba6e14ebf 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -516,7 +516,7 @@
usb_otg_hs: usb_otg_hs@480ab000 {
compatible = "ti,omap3-musb";
reg = <0x480ab000 0x1000>;
- interrupts = <0 92 0x4>, <0 93 0x4>;
+ interrupts = <92>, <93>;
interrupt-names = "mc", "dma";
ti,hwmods = "usb_otg_hs";
multipoint = <1>;
diff --git a/arch/arm/boot/dts/omap4-panda-common.dtsi b/arch/arm/boot/dts/omap4-panda-common.dtsi
index 03bd60deb52..eeb734e2570 100644
--- a/arch/arm/boot/dts/omap4-panda-common.dtsi
+++ b/arch/arm/boot/dts/omap4-panda-common.dtsi
@@ -56,9 +56,23 @@
};
};
+&omap4_pmx_wkup {
+ pinctrl-names = "default";
+ pinctrl-0 = <
+ &twl6030_wkup_pins
+ >;
+
+ twl6030_wkup_pins: pinmux_twl6030_wkup_pins {
+ pinctrl-single,pins = <
+ 0x14 0x2 /* fref_clk0_out.sys_drm_msecure OUTPUT | MODE2 */
+ >;
+ };
+};
+
&omap4_pmx_core {
pinctrl-names = "default";
pinctrl-0 = <
+ &twl6030_pins
&twl6040_pins
&mcpdm_pins
&mcbsp1_pins
@@ -66,6 +80,12 @@
&tpd12s015_pins
>;
+ twl6030_pins: pinmux_twl6030_pins {
+ pinctrl-single,pins = <
+ 0x15e 0x4118 /* sys_nirq1.sys_nirq1 OMAP_WAKEUP_EN | INPUT_PULLUP | MODE0 */
+ >;
+ };
+
twl6040_pins: pinmux_twl6040_pins {
pinctrl-single,pins = <
0xe0 0x3 /* hdq_sio.gpio_127 OUTPUT | MODE3 */
diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
index a35d9cd5806..98505a2ef16 100644
--- a/arch/arm/boot/dts/omap4-sdp.dts
+++ b/arch/arm/boot/dts/omap4-sdp.dts
@@ -142,9 +142,23 @@
};
};
+&omap4_pmx_wkup {
+ pinctrl-names = "default";
+ pinctrl-0 = <
+ &twl6030_wkup_pins
+ >;
+
+ twl6030_wkup_pins: pinmux_twl6030_wkup_pins {
+ pinctrl-single,pins = <
+ 0x14 0x2 /* fref_clk0_out.sys_drm_msecure OUTPUT | MODE2 */
+ >;
+ };
+};
+
&omap4_pmx_core {
pinctrl-names = "default";
pinctrl-0 = <
+ &twl6030_pins
&twl6040_pins
&mcpdm_pins
&dmic_pins
@@ -179,6 +193,12 @@
>;
};
+ twl6030_pins: pinmux_twl6030_pins {
+ pinctrl-single,pins = <
+ 0x15e 0x4118 /* sys_nirq1.sys_nirq1 OMAP_WAKEUP_EN | INPUT_PULLUP | MODE0 */
+ >;
+ };
+
twl6040_pins: pinmux_twl6040_pins {
pinctrl-single,pins = <
0xe0 0x3 /* hdq_sio.gpio_127 OUTPUT | MODE3 */
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 3dd7ff82582..635cae28301 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -538,6 +538,7 @@
interrupts = <0 41 0x4>;
ti,hwmods = "timer5";
ti,timer-dsp;
+ ti,timer-pwm;
};
timer6: timer@4013a000 {
@@ -574,6 +575,7 @@
reg = <0x4803e000 0x80>;
interrupts = <0 45 0x4>;
ti,hwmods = "timer9";
+ ti,timer-pwm;
};
timer10: timer@48086000 {
@@ -581,6 +583,7 @@
reg = <0x48086000 0x80>;
interrupts = <0 46 0x4>;
ti,hwmods = "timer10";
+ ti,timer-pwm;
};
timer11: timer@48088000 {
diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi
index 2e643ea51cc..5000e0d4284 100644
--- a/arch/arm/boot/dts/sama5d3.dtsi
+++ b/arch/arm/boot/dts/sama5d3.dtsi
@@ -75,11 +75,6 @@
compatible = "atmel,at91sam9x5-spi";
reg = <0xf0004000 0x100>;
interrupts = <24 4 3>;
- cs-gpios = <&pioD 13 0
- &pioD 14 0 /* conflicts with SCK0 and CANRX0 */
- &pioD 15 0 /* conflicts with CTS0 and CANTX0 */
- &pioD 16 0 /* conflicts with RTS0 and PWMFI3 */
- >;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi0>;
status = "disabled";
@@ -156,7 +151,7 @@
};
macb0: ethernet@f0028000 {
- compatible = "cnds,pc302-gem", "cdns,gem";
+ compatible = "cdns,pc302-gem", "cdns,gem";
reg = <0xf0028000 0x100>;
interrupts = <34 4 3>;
pinctrl-names = "default";
@@ -203,11 +198,6 @@
compatible = "atmel,at91sam9x5-spi";
reg = <0xf8008000 0x100>;
interrupts = <25 4 3>;
- cs-gpios = <&pioC 25 0
- &pioC 26 0 /* conflitcs with TWD1 and ISI_D11 */
- &pioC 27 0 /* conflitcs with TWCK1 and ISI_D10 */
- &pioC 28 0 /* conflitcs with PWMFI0 and ISI_D9 */
- >;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi1>;
status = "disabled";
diff --git a/arch/arm/boot/dts/sama5d3xcm.dtsi b/arch/arm/boot/dts/sama5d3xcm.dtsi
index 1f8ed404626..b336e7787cb 100644
--- a/arch/arm/boot/dts/sama5d3xcm.dtsi
+++ b/arch/arm/boot/dts/sama5d3xcm.dtsi
@@ -32,6 +32,10 @@
ahb {
apb {
+ spi0: spi@f0004000 {
+ cs-gpios = <&pioD 13 0>, <0>, <0>, <0>;
+ };
+
macb0: ethernet@f0028000 {
phy-mode = "rgmii";
};
diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts
index b28fbf3408e..6f82d936894 100644
--- a/arch/arm/boot/dts/ste-nomadik-s8815.dts
+++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts
@@ -14,13 +14,19 @@
bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
};
+ /* This is where the interrupt is routed on the S8815 board */
+ external-bus@34000000 {
+ ethernet@300 {
+ interrupt-parent = <&gpio3>;
+ interrupts = <8 0x1>;
+ };
+ };
+
/* Custom board node with GPIO pins to active etc */
usb-s8815 {
/* The S8815 is using this very GPIO pin for the SMSC91x IRQs */
ethernet-gpio {
- gpios = <&gpio3 19 0x1>;
- interrupts = <19 0x1>;
- interrupt-parent = <&gpio3>;
+ gpios = <&gpio3 8 0x1>;
};
/* This will bias the MMC/SD card detect line */
mmcsd-gpio {
diff --git a/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts b/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts
index 4a7c35d6726..078ed7f618d 100644
--- a/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts
+++ b/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts
@@ -22,8 +22,8 @@
bootargs = "earlyprintk console=ttyS0,115200";
};
- soc {
- uart0: uart@01c28000 {
+ soc@01c20000 {
+ uart0: serial@01c28000 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins_a>;
status = "okay";
diff --git a/arch/arm/common/mcpm_platsmp.c b/arch/arm/common/mcpm_platsmp.c
index 52b88d81b7b..3caed0db698 100644
--- a/arch/arm/common/mcpm_platsmp.c
+++ b/arch/arm/common/mcpm_platsmp.c
@@ -15,8 +15,6 @@
#include <linux/smp.h>
#include <linux/spinlock.h>
-#include <linux/irqchip/arm-gic.h>
-
#include <asm/mcpm.h>
#include <asm/smp.h>
#include <asm/smp_plat.h>
@@ -49,7 +47,6 @@ static int __cpuinit mcpm_boot_secondary(unsigned int cpu, struct task_struct *i
static void __cpuinit mcpm_secondary_init(unsigned int cpu)
{
mcpm_cpu_powered_up();
- gic_secondary_init(0);
}
#ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index e40b435d204..227abf9cc60 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -1,4 +1,4 @@
-CONFIG_EXPERIMENTAL=y
+CONFIG_SYSVIPC=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BLK_DEV_INITRD=y
@@ -7,17 +7,18 @@ CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_PARTITION_ADVANCED=y
-CONFIG_EFI_PARTITION=y
CONFIG_ARCH_EXYNOS=y
-CONFIG_S3C_LOWLEVEL_UART_PORT=1
+CONFIG_S3C_LOWLEVEL_UART_PORT=3
CONFIG_S3C24XX_PWM=y
CONFIG_ARCH_EXYNOS5=y
CONFIG_MACH_EXYNOS4_DT=y
-CONFIG_MACH_EXYNOS5_DT=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
CONFIG_PREEMPT=y
CONFIG_AEABI=y
+CONFIG_HIGHMEM=y
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M"
@@ -30,35 +31,58 @@ CONFIG_NET_KEY=y
CONFIG_INET=y
CONFIG_RFKILL_REGULATOR=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
CONFIG_PROC_DEVICETREE=y
CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_CRYPTOLOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=8192
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_SG=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_CRYPT=m
CONFIG_NETDEVICES=y
CONFIG_SMSC911X=y
CONFIG_USB_USBNET=y
CONFIG_USB_NET_SMSC75XX=y
CONFIG_USB_NET_SMSC95XX=y
CONFIG_INPUT_EVDEV=y
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
+CONFIG_KEYBOARD_CROS_EC=y
+# CONFIG_MOUSE_PS2 is not set
+CONFIG_MOUSE_CYAPA=y
CONFIG_INPUT_TOUCHSCREEN=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_SAMSUNG=y
CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
+CONFIG_TCG_TPM=y
+CONFIG_TCG_TIS_I2C_INFINEON=y
CONFIG_I2C=y
+CONFIG_I2C_MUX=y
+CONFIG_I2C_ARB_GPIO_CHALLENGE=y
+CONFIG_I2C_S3C2410=y
+CONFIG_DEBUG_GPIO=y
# CONFIG_HWMON is not set
+CONFIG_MFD_CROS_EC=y
+CONFIG_MFD_CROS_EC_I2C=y
+CONFIG_MFD_MAX77686=y
+CONFIG_MFD_MAX8997=y
+CONFIG_MFD_SEC_CORE=y
CONFIG_MFD_TPS65090=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_GPIO=y
+CONFIG_REGULATOR_MAX8997=y
+CONFIG_REGULATOR_MAX77686=y
+CONFIG_REGULATOR_S5M8767=y
CONFIG_REGULATOR_TPS65090=y
CONFIG_FB=y
+CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_SIMPLE=y
CONFIG_EXYNOS_VIDEO=y
CONFIG_EXYNOS_MIPI_DSI=y
CONFIG_EXYNOS_DP=y
@@ -67,6 +91,20 @@ CONFIG_FONTS=y
CONFIG_FONT_7x14=y
CONFIG_LOGO=y
CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_S5P=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_PHY=y
+CONFIG_SAMSUNG_USB2PHY=y
+CONFIG_SAMSUNG_USB3PHY=y
+CONFIG_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_S3C=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_IDMAC=y
+CONFIG_MMC_DW_EXYNOS=y
+CONFIG_COMMON_CLK_MAX77686=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
@@ -79,6 +117,7 @@ CONFIG_ROMFS_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
+CONFIG_PRINTK_TIME=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
@@ -87,6 +126,5 @@ CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_USER=y
-CONFIG_DEBUG_LL=y
-CONFIG_EARLY_PRINTK=y
+CONFIG_CRYPTO_SHA256=y
CONFIG_CRC_CCITT=y
diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig
index 7e0ebb64a7f..9940f7b4e43 100644
--- a/arch/arm/configs/omap1_defconfig
+++ b/arch/arm/configs/omap1_defconfig
@@ -199,7 +199,6 @@ CONFIG_USB_PHY=y
CONFIG_USB_DEBUG=y
CONFIG_USB_DEVICEFS=y
# CONFIG_USB_DEVICE_CLASS is not set
-CONFIG_USB_SUSPEND=y
CONFIG_USB_MON=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_STORAGE=y
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index c1ef64bc5ab..abbe31937c6 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -20,6 +20,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
# CONFIG_BLK_DEV_BSG is not set
+CONFIG_ARCH_MULTI_V6=y
CONFIG_ARCH_OMAP2PLUS=y
CONFIG_OMAP_RESET_CLOCKS=y
CONFIG_OMAP_MUX_DEBUG=y
@@ -204,7 +205,6 @@ CONFIG_USB=y
CONFIG_USB_DEBUG=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_DEVICEFS=y
-CONFIG_USB_SUSPEND=y
CONFIG_USB_MON=y
CONFIG_USB_WDM=y
CONFIG_USB_STORAGE=y
diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig
index a5f0485133c..f7ba316164d 100644
--- a/arch/arm/configs/tegra_defconfig
+++ b/arch/arm/configs/tegra_defconfig
@@ -153,6 +153,7 @@ CONFIG_MEDIA_CAMERA_SUPPORT=y
CONFIG_MEDIA_USB_SUPPORT=y
CONFIG_USB_VIDEO_CLASS=m
CONFIG_DRM=y
+CONFIG_TEGRA_HOST1X=y
CONFIG_DRM_TEGRA=y
CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
@@ -202,7 +203,7 @@ CONFIG_TEGRA20_APB_DMA=y
CONFIG_STAGING=y
CONFIG_SENSORS_ISL29018=y
CONFIG_SENSORS_ISL29028=y
-CONFIG_SENSORS_AK8975=y
+CONFIG_AK8975=y
CONFIG_MFD_NVEC=y
CONFIG_KEYBOARD_NVEC=y
CONFIG_SERIO_NVEC_PS2=y
diff --git a/arch/arm/crypto/sha1-armv4-large.S b/arch/arm/crypto/sha1-armv4-large.S
index 92c6eed7aac..99207c45ec1 100644
--- a/arch/arm/crypto/sha1-armv4-large.S
+++ b/arch/arm/crypto/sha1-armv4-large.S
@@ -195,6 +195,7 @@ ENTRY(sha1_block_data_order)
add r3,r3,r10 @ E+=F_00_19(B,C,D)
cmp r14,sp
bne .L_00_15 @ [((11+4)*5+2)*3]
+ sub sp,sp,#25*4
#if __ARM_ARCH__<7
ldrb r10,[r1,#2]
ldrb r9,[r1,#3]
@@ -290,7 +291,6 @@ ENTRY(sha1_block_data_order)
add r3,r3,r10 @ E+=F_00_19(B,C,D)
ldr r8,.LK_20_39 @ [+15+16*4]
- sub sp,sp,#25*4
cmn sp,#0 @ [+3], clear carry to denote 20_39
.L_20_39_or_60_79:
ldr r9,[r14,#15*4]
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index bff71388e72..17d0ae8672f 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -320,9 +320,7 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
}
#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-static inline void flush_kernel_dcache_page(struct page *page)
-{
-}
+extern void flush_kernel_dcache_page(struct page *);
#define flush_dcache_mmap_lock(mapping) \
spin_lock_irq(&(mapping)->tree_lock)
diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
index 7eb18c1d8d6..4f009c10540 100644
--- a/arch/arm/include/asm/cmpxchg.h
+++ b/arch/arm/include/asm/cmpxchg.h
@@ -233,15 +233,15 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
((__typeof__(*(ptr)))atomic64_cmpxchg(container_of((ptr), \
atomic64_t, \
counter), \
- (unsigned long)(o), \
- (unsigned long)(n)))
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))
#define cmpxchg64_local(ptr, o, n) \
((__typeof__(*(ptr)))local64_cmpxchg(container_of((ptr), \
local64_t, \
a), \
- (unsigned long)(o), \
- (unsigned long)(n)))
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))
#endif /* __LINUX_ARM_ARCH__ >= 6 */
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index 7652712d1d1..dba62cb1ad0 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -32,6 +32,8 @@
#define MPIDR_HWID_BITMASK 0xFFFFFF
+#define MPIDR_INVALID (~MPIDR_HWID_BITMASK)
+
#define MPIDR_LEVEL_BITS 8
#define MPIDR_LEVEL_MASK ((1 << MPIDR_LEVEL_BITS) - 1)
diff --git a/arch/arm/include/asm/glue-proc.h b/arch/arm/include/asm/glue-proc.h
index ac1dd54724b..8017e94acc5 100644
--- a/arch/arm/include/asm/glue-proc.h
+++ b/arch/arm/include/asm/glue-proc.h
@@ -230,6 +230,15 @@
# endif
#endif
+#ifdef CONFIG_CPU_PJ4B
+# ifdef CPU_NAME
+# undef MULTI_CPU
+# define MULTI_CPU
+# else
+# define CPU_NAME cpu_pj4b
+# endif
+#endif
+
#ifndef MULTI_CPU
#define cpu_proc_init __glue(CPU_NAME,_proc_init)
#define cpu_proc_fin __glue(CPU_NAME,_proc_fin)
diff --git a/arch/arm/include/asm/percpu.h b/arch/arm/include/asm/percpu.h
index 968c0a14e0a..209e6504922 100644
--- a/arch/arm/include/asm/percpu.h
+++ b/arch/arm/include/asm/percpu.h
@@ -30,8 +30,15 @@ static inline void set_my_cpu_offset(unsigned long off)
static inline unsigned long __my_cpu_offset(void)
{
unsigned long off;
- /* Read TPIDRPRW */
- asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : : "memory");
+ register unsigned long *sp asm ("sp");
+
+ /*
+ * Read TPIDRPRW.
+ * We want to allow caching the value, so avoid using volatile and
+ * instead use a fake stack read to hazard against barrier().
+ */
+ asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : "Q" (*sp));
+
return off;
}
#define __my_cpu_offset __my_cpu_offset()
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
index aaa61b6f50f..e7898320273 100644
--- a/arch/arm/include/asm/smp_plat.h
+++ b/arch/arm/include/asm/smp_plat.h
@@ -49,7 +49,7 @@ static inline int cache_ops_need_broadcast(void)
/*
* Logical CPU mapping.
*/
-extern int __cpu_logical_map[];
+extern u32 __cpu_logical_map[];
#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
/*
* Retrieve logical cpu index corresponding to a given MPIDR[23:0]
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 99a19512ee2..bdf2b8458ec 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -33,18 +33,6 @@
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
-/*
- * We need to delay page freeing for SMP as other CPUs can access pages
- * which have been removed but not yet had their TLB entries invalidated.
- * Also, as ARMv7 speculative prefetch can drag new entries into the TLB,
- * we need to apply this same delaying tactic to ensure correct operation.
- */
-#if defined(CONFIG_SMP) || defined(CONFIG_CPU_32v7)
-#define tlb_fast_mode(tlb) 0
-#else
-#define tlb_fast_mode(tlb) 1
-#endif
-
#define MMU_GATHER_BUNDLE 8
/*
@@ -112,12 +100,10 @@ static inline void __tlb_alloc_page(struct mmu_gather *tlb)
static inline void tlb_flush_mmu(struct mmu_gather *tlb)
{
tlb_flush(tlb);
- if (!tlb_fast_mode(tlb)) {
- free_pages_and_swap_cache(tlb->pages, tlb->nr);
- tlb->nr = 0;
- if (tlb->pages == tlb->local)
- __tlb_alloc_page(tlb);
- }
+ free_pages_and_swap_cache(tlb->pages, tlb->nr);
+ tlb->nr = 0;
+ if (tlb->pages == tlb->local)
+ __tlb_alloc_page(tlb);
}
static inline void
@@ -178,11 +164,6 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
{
- if (tlb_fast_mode(tlb)) {
- free_page_and_swap_cache(page);
- return 1; /* avoid calling tlb_flush_mmu */
- }
-
tlb->pages[tlb->nr++] = page;
VM_BUG_ON(tlb->nr > tlb->max);
return tlb->max - tlb->nr;
diff --git a/arch/arm/include/debug/ux500.S b/arch/arm/include/debug/ux500.S
index 2848857f5b6..fbd24beeb1f 100644
--- a/arch/arm/include/debug/ux500.S
+++ b/arch/arm/include/debug/ux500.S
@@ -24,9 +24,9 @@
#define U8500_UART0_PHYS_BASE (0x80120000)
#define U8500_UART1_PHYS_BASE (0x80121000)
#define U8500_UART2_PHYS_BASE (0x80007000)
-#define U8500_UART0_VIRT_BASE (0xa8120000)
-#define U8500_UART1_VIRT_BASE (0xa8121000)
-#define U8500_UART2_VIRT_BASE (0xa8007000)
+#define U8500_UART0_VIRT_BASE (0xf8120000)
+#define U8500_UART1_VIRT_BASE (0xf8121000)
+#define U8500_UART2_VIRT_BASE (0xf8007000)
#define __UX500_PHYS_UART(n) U8500_UART##n##_PHYS_BASE
#define __UX500_VIRT_UART(n) U8500_UART##n##_VIRT_BASE
#endif
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 5af04f6daa3..5859c8bc727 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -82,7 +82,7 @@ void __init arm_dt_init_cpu_maps(void)
u32 i, j, cpuidx = 1;
u32 mpidr = is_smp() ? read_cpuid_mpidr() & MPIDR_HWID_BITMASK : 0;
- u32 tmp_map[NR_CPUS] = { [0 ... NR_CPUS-1] = UINT_MAX };
+ u32 tmp_map[NR_CPUS] = { [0 ... NR_CPUS-1] = MPIDR_INVALID };
bool bootcpu_valid = false;
cpus = of_find_node_by_path("/cpus");
@@ -92,6 +92,9 @@ void __init arm_dt_init_cpu_maps(void)
for_each_child_of_node(cpus, cpu) {
u32 hwid;
+ if (of_node_cmp(cpu->type, "cpu"))
+ continue;
+
pr_debug(" * %s...\n", cpu->full_name);
/*
* A device tree containing CPU nodes with missing "reg"
@@ -149,9 +152,10 @@ void __init arm_dt_init_cpu_maps(void)
tmp_map[i] = hwid;
}
- if (WARN(!bootcpu_valid, "DT missing boot CPU MPIDR[23:0], "
- "fall back to default cpu_logical_map\n"))
+ if (!bootcpu_valid) {
+ pr_warn("DT missing boot CPU MPIDR[23:0], fall back to default cpu_logical_map\n");
return;
+ }
/*
* Since the boot CPU node contains proper data, and all nodes have
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 8ef8c933780..4fb074c446b 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -134,6 +134,10 @@ void machine_kexec(struct kimage *image)
unsigned long reboot_code_buffer_phys;
void *reboot_code_buffer;
+ if (num_online_cpus() > 1) {
+ pr_err("kexec: error: multiple CPUs still online\n");
+ return;
+ }
page_list = image->head & PAGE_MASK;
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index f2197031683..6e8931ccf13 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -184,30 +184,61 @@ int __init reboot_setup(char *str)
__setup("reboot=", reboot_setup);
+/*
+ * Called by kexec, immediately prior to machine_kexec().
+ *
+ * This must completely disable all secondary CPUs; simply causing those CPUs
+ * to execute e.g. a RAM-based pin loop is not sufficient. This allows the
+ * kexec'd kernel to use any and all RAM as it sees fit, without having to
+ * avoid any code or data used by any SW CPU pin loop. The CPU hotplug
+ * functionality embodied in disable_nonboot_cpus() to achieve this.
+ */
void machine_shutdown(void)
{
-#ifdef CONFIG_SMP
- smp_send_stop();
-#endif
+ disable_nonboot_cpus();
}
+/*
+ * Halting simply requires that the secondary CPUs stop performing any
+ * activity (executing tasks, handling interrupts). smp_send_stop()
+ * achieves this.
+ */
void machine_halt(void)
{
- machine_shutdown();
+ smp_send_stop();
+
local_irq_disable();
while (1);
}
+/*
+ * Power-off simply requires that the secondary CPUs stop performing any
+ * activity (executing tasks, handling interrupts). smp_send_stop()
+ * achieves this. When the system power is turned off, it will take all CPUs
+ * with it.
+ */
void machine_power_off(void)
{
- machine_shutdown();
+ smp_send_stop();
+
if (pm_power_off)
pm_power_off();
}
+/*
+ * Restart requires that the secondary CPUs stop performing any activity
+ * while the primary CPU resets the system. Systems with a single CPU can
+ * use soft_restart() as their machine descriptor's .restart hook, since that
+ * will cause the only available CPU to reset. Systems with multiple CPUs must
+ * provide a HW restart implementation, to ensure that all CPUs reset at once.
+ * This is required so that any code running after reset on the primary CPU
+ * doesn't have to co-ordinate with other CPUs to ensure they aren't still
+ * executing pre-reset code, and using RAM that the primary CPU's code wishes
+ * to use. Implementing such co-ordination would be essentially impossible.
+ */
void machine_restart(char *cmd)
{
- machine_shutdown();
+ smp_send_stop();
arm_pm_restart(reboot_mode, cmd);
@@ -411,7 +442,6 @@ static struct vm_area_struct gate_vma = {
.vm_start = 0xffff0000,
.vm_end = 0xffff0000 + PAGE_SIZE,
.vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC,
- .vm_mm = &init_mm,
};
static int __init gate_vma_init(void)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 1522c7ae31b..b4b1d397592 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -444,7 +444,7 @@ void notrace cpu_init(void)
: "r14");
}
-int __cpu_logical_map[NR_CPUS];
+u32 __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = MPIDR_INVALID };
void __init smp_setup_processor_id(void)
{
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 47ab90563bf..5919eb451bb 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -251,7 +251,7 @@ void __ref cpu_die(void)
* this returns, power and/or clocks can be removed at any point
* from this CPU and its cache by platform_cpu_kill().
*/
- RCU_NONIDLE(complete(&cpu_died));
+ complete(&cpu_died);
/*
* Ensure that the cache lines associated with that completion are
@@ -651,17 +651,6 @@ void smp_send_reschedule(int cpu)
smp_cross_call(cpumask_of(cpu), IPI_RESCHEDULE);
}
-#ifdef CONFIG_HOTPLUG_CPU
-static void smp_kill_cpus(cpumask_t *mask)
-{
- unsigned int cpu;
- for_each_cpu(cpu, mask)
- platform_cpu_kill(cpu);
-}
-#else
-static void smp_kill_cpus(cpumask_t *mask) { }
-#endif
-
void smp_send_stop(void)
{
unsigned long timeout;
@@ -679,8 +668,6 @@ void smp_send_stop(void)
if (num_online_cpus() > 1)
pr_warning("SMP: failed to stop secondary CPUs\n");
-
- smp_kill_cpus(&mask);
}
/*
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index f10316b4ecd..c5a59546a25 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -13,6 +13,7 @@
#include <linux/cpu.h>
#include <linux/cpumask.h>
+#include <linux/export.h>
#include <linux/init.h>
#include <linux/percpu.h>
#include <linux/node.h>
@@ -200,6 +201,7 @@ static inline void update_cpu_power(unsigned int cpuid, unsigned int mpidr) {}
* cpu topology table
*/
struct cputopo_arm cpu_topology[NR_CPUS];
+EXPORT_SYMBOL_GPL(cpu_topology);
const struct cpumask *cpu_coregroup_mask(int cpu)
{
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 37d216d814c..ef1703b9587 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -492,6 +492,11 @@ static void vcpu_pause(struct kvm_vcpu *vcpu)
wait_event_interruptible(*wq, !vcpu->arch.pause);
}
+static int kvm_vcpu_initialized(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.target >= 0;
+}
+
/**
* kvm_arch_vcpu_ioctl_run - the main VCPU run function to execute guest code
* @vcpu: The VCPU pointer
@@ -508,8 +513,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
int ret;
sigset_t sigsaved;
- /* Make sure they initialize the vcpu with KVM_ARM_VCPU_INIT */
- if (unlikely(vcpu->arch.target < 0))
+ if (unlikely(!kvm_vcpu_initialized(vcpu)))
return -ENOEXEC;
ret = kvm_vcpu_first_run_init(vcpu);
@@ -710,6 +714,10 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
case KVM_SET_ONE_REG:
case KVM_GET_ONE_REG: {
struct kvm_one_reg reg;
+
+ if (unlikely(!kvm_vcpu_initialized(vcpu)))
+ return -ENOEXEC;
+
if (copy_from_user(&reg, argp, sizeof(reg)))
return -EFAULT;
if (ioctl == KVM_SET_ONE_REG)
@@ -722,6 +730,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
struct kvm_reg_list reg_list;
unsigned n;
+ if (unlikely(!kvm_vcpu_initialized(vcpu)))
+ return -ENOEXEC;
+
if (copy_from_user(&reg_list, user_list, sizeof(reg_list)))
return -EFAULT;
n = reg_list.n;
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 965706578f1..84ba67b982c 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -43,7 +43,14 @@ static phys_addr_t hyp_idmap_vector;
static void kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa)
{
- kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, kvm, ipa);
+ /*
+ * This function also gets called when dealing with HYP page
+ * tables. As HYP doesn't have an associated struct kvm (and
+ * the HYP page tables are fairly static), we don't do
+ * anything there.
+ */
+ if (kvm)
+ kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, kvm, ipa);
}
static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache,
@@ -78,18 +85,20 @@ static void *mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc)
return p;
}
-static void clear_pud_entry(pud_t *pud)
+static void clear_pud_entry(struct kvm *kvm, pud_t *pud, phys_addr_t addr)
{
pmd_t *pmd_table = pmd_offset(pud, 0);
pud_clear(pud);
+ kvm_tlb_flush_vmid_ipa(kvm, addr);
pmd_free(NULL, pmd_table);
put_page(virt_to_page(pud));
}
-static void clear_pmd_entry(pmd_t *pmd)
+static void clear_pmd_entry(struct kvm *kvm, pmd_t *pmd, phys_addr_t addr)
{
pte_t *pte_table = pte_offset_kernel(pmd, 0);
pmd_clear(pmd);
+ kvm_tlb_flush_vmid_ipa(kvm, addr);
pte_free_kernel(NULL, pte_table);
put_page(virt_to_page(pmd));
}
@@ -100,11 +109,12 @@ static bool pmd_empty(pmd_t *pmd)
return page_count(pmd_page) == 1;
}
-static void clear_pte_entry(pte_t *pte)
+static void clear_pte_entry(struct kvm *kvm, pte_t *pte, phys_addr_t addr)
{
if (pte_present(*pte)) {
kvm_set_pte(pte, __pte(0));
put_page(virt_to_page(pte));
+ kvm_tlb_flush_vmid_ipa(kvm, addr);
}
}
@@ -114,7 +124,8 @@ static bool pte_empty(pte_t *pte)
return page_count(pte_page) == 1;
}
-static void unmap_range(pgd_t *pgdp, unsigned long long start, u64 size)
+static void unmap_range(struct kvm *kvm, pgd_t *pgdp,
+ unsigned long long start, u64 size)
{
pgd_t *pgd;
pud_t *pud;
@@ -138,15 +149,15 @@ static void unmap_range(pgd_t *pgdp, unsigned long long start, u64 size)
}
pte = pte_offset_kernel(pmd, addr);
- clear_pte_entry(pte);
+ clear_pte_entry(kvm, pte, addr);
range = PAGE_SIZE;
/* If we emptied the pte, walk back up the ladder */
if (pte_empty(pte)) {
- clear_pmd_entry(pmd);
+ clear_pmd_entry(kvm, pmd, addr);
range = PMD_SIZE;
if (pmd_empty(pmd)) {
- clear_pud_entry(pud);
+ clear_pud_entry(kvm, pud, addr);
range = PUD_SIZE;
}
}
@@ -165,14 +176,14 @@ void free_boot_hyp_pgd(void)
mutex_lock(&kvm_hyp_pgd_mutex);
if (boot_hyp_pgd) {
- unmap_range(boot_hyp_pgd, hyp_idmap_start, PAGE_SIZE);
- unmap_range(boot_hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
+ unmap_range(NULL, boot_hyp_pgd, hyp_idmap_start, PAGE_SIZE);
+ unmap_range(NULL, boot_hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
kfree(boot_hyp_pgd);
boot_hyp_pgd = NULL;
}
if (hyp_pgd)
- unmap_range(hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
+ unmap_range(NULL, hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
kfree(init_bounce_page);
init_bounce_page = NULL;
@@ -200,9 +211,10 @@ void free_hyp_pgds(void)
if (hyp_pgd) {
for (addr = PAGE_OFFSET; virt_addr_valid(addr); addr += PGDIR_SIZE)
- unmap_range(hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE);
+ unmap_range(NULL, hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE);
for (addr = VMALLOC_START; is_vmalloc_addr((void*)addr); addr += PGDIR_SIZE)
- unmap_range(hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE);
+ unmap_range(NULL, hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE);
+
kfree(hyp_pgd);
hyp_pgd = NULL;
}
@@ -393,7 +405,7 @@ int kvm_alloc_stage2_pgd(struct kvm *kvm)
*/
static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size)
{
- unmap_range(kvm->arch.pgd, start, size);
+ unmap_range(kvm, kvm->arch.pgd, start, size);
}
/**
@@ -675,7 +687,6 @@ static void handle_hva_to_gpa(struct kvm *kvm,
static void kvm_unmap_hva_handler(struct kvm *kvm, gpa_t gpa, void *data)
{
unmap_stage2_range(kvm, gpa, PAGE_SIZE);
- kvm_tlb_flush_vmid_ipa(kvm, gpa);
}
int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index 2acdff4c1df..180b3024bec 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -174,6 +174,7 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
static struct clock_event_device clkevt = {
.name = "at91_tick",
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+ .shift = 32,
.rating = 150,
.set_next_event = clkevt32k_next_event,
.set_mode = clkevt32k_mode,
@@ -264,9 +265,11 @@ void __init at91rm9200_timer_init(void)
at91_st_write(AT91_ST_RTMR, 1);
/* Setup timer clockevent, with minimum of two ticks (important!!) */
+ clkevt.mult = div_sc(AT91_SLOW_CLOCK, NSEC_PER_SEC, clkevt.shift);
+ clkevt.max_delta_ns = clockevent_delta2ns(AT91_ST_ALMV, &clkevt);
+ clkevt.min_delta_ns = clockevent_delta2ns(2, &clkevt) + 1;
clkevt.cpumask = cpumask_of(0);
- clockevents_config_and_register(&clkevt, AT91_SLOW_CLOCK,
- 2, AT91_ST_ALMV);
+ clockevents_register_device(&clkevt);
/* register clocksource */
clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK);
diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c
index 13cdbcd48f5..c7d670d1180 100644
--- a/arch/arm/mach-at91/at91sam9n12.c
+++ b/arch/arm/mach-at91/at91sam9n12.c
@@ -223,13 +223,7 @@ static void __init at91sam9n12_map_io(void)
at91_init_sram(0, AT91SAM9N12_SRAM_BASE, AT91SAM9N12_SRAM_SIZE);
}
-void __init at91sam9n12_initialize(void)
-{
- at91_extern_irq = (1 << AT91SAM9N12_ID_IRQ0);
-}
-
AT91_SOC_START(at91sam9n12)
.map_io = at91sam9n12_map_io,
.register_clocks = at91sam9n12_register_clocks,
- .init = at91sam9n12_initialize,
AT91_SOC_END
diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h
index 31df12029c4..2bd7f51b0b8 100644
--- a/arch/arm/mach-at91/include/mach/at91_pmc.h
+++ b/arch/arm/mach-at91/include/mach/at91_pmc.h
@@ -179,9 +179,9 @@ extern void __iomem *at91_pmc_base;
#define AT91_PMC_PCR_CMD (0x1 << 12) /* Command (read=0, write=1) */
#define AT91_PMC_PCR_DIV(n) ((n) << 16) /* Divisor Value */
#define AT91_PMC_PCR_DIV0 0x0 /* Peripheral clock is MCK */
-#define AT91_PMC_PCR_DIV2 0x2 /* Peripheral clock is MCK/2 */
-#define AT91_PMC_PCR_DIV4 0x4 /* Peripheral clock is MCK/4 */
-#define AT91_PMC_PCR_DIV8 0x8 /* Peripheral clock is MCK/8 */
+#define AT91_PMC_PCR_DIV2 0x1 /* Peripheral clock is MCK/2 */
+#define AT91_PMC_PCR_DIV4 0x2 /* Peripheral clock is MCK/4 */
+#define AT91_PMC_PCR_DIV8 0x3 /* Peripheral clock is MCK/8 */
#define AT91_PMC_PCR_EN (0x1 << 28) /* Enable */
#endif
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index d19edff0ea6..ff18fc2ea46 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -250,6 +250,7 @@ config MACH_ARMLEX4210
config MACH_UNIVERSAL_C210
bool "Mobile UNIVERSAL_C210 Board"
select CLKSRC_MMIO
+ select CLKSRC_SAMSUNG_PWM
select CPU_EXYNOS4210
select EXYNOS4_SETUP_FIMC
select EXYNOS4_SETUP_FIMD0
@@ -281,7 +282,6 @@ config MACH_UNIVERSAL_C210
select S5P_DEV_TV
select S5P_GPIO_INT
select S5P_SETUP_MIPIPHY
- select SAMSUNG_HRT
help
Machine support for Samsung Mobile Universal S5PC210 Reference
Board.
@@ -410,6 +410,7 @@ config MACH_EXYNOS4_DT
depends on ARCH_EXYNOS4
select ARM_AMBA
select CLKSRC_OF
+ select CLKSRC_SAMSUNG_PWM if CPU_EXYNOS4210
select CPU_EXYNOS4210
select KEYBOARD_SAMSUNG if INPUT_KEYBOARD
select PINCTRL
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 745e304ad0d..f7e504b7874 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -10,12 +10,14 @@
*/
#include <linux/kernel.h>
+#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/io.h>
#include <linux/device.h>
#include <linux/gpio.h>
+#include <clocksource/samsung_pwm.h>
#include <linux/sched.h>
#include <linux/serial_core.h>
#include <linux/of.h>
@@ -302,6 +304,13 @@ static struct map_desc exynos5440_iodesc0[] __initdata = {
},
};
+static struct samsung_pwm_variant exynos4_pwm_variant = {
+ .bits = 32,
+ .div_base = 0,
+ .has_tint_cstat = true,
+ .tclk_mask = 0,
+};
+
void exynos4_restart(char mode, const char *cmd)
{
__raw_writel(0x1, S5P_SWRESET);
@@ -317,9 +326,16 @@ void exynos5_restart(char mode, const char *cmd)
val = 0x1;
addr = EXYNOS_SWRESET;
} else if (of_machine_is_compatible("samsung,exynos5440")) {
+ u32 status;
np = of_find_compatible_node(NULL, NULL, "samsung,exynos5440-clock");
+
+ addr = of_iomap(np, 0) + 0xbc;
+ status = __raw_readl(addr);
+
addr = of_iomap(np, 0) + 0xcc;
- val = (0xfff << 20) | (0x1 << 16);
+ val = __raw_readl(addr);
+
+ val = (val & 0xffff0000) | (status & 0xffff);
} else {
pr_err("%s: cannot support non-DT\n", __func__);
return;
@@ -370,6 +386,8 @@ int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
void __init exynos_init_io(struct map_desc *mach_desc, int size)
{
+ debug_ll_io_init();
+
#ifdef CONFIG_OF
if (initial_boot_params)
of_scan_flat_dt(exynos_fdt_map_chipid, NULL);
@@ -442,8 +460,20 @@ static void __init exynos5440_map_io(void)
iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0));
}
+void __init exynos_set_timer_source(u8 channels)
+{
+ exynos4_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
+ exynos4_pwm_variant.output_mask &= ~channels;
+}
+
void __init exynos_init_time(void)
{
+ unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
+ EXYNOS4_IRQ_TIMER0_VIC, EXYNOS4_IRQ_TIMER1_VIC,
+ EXYNOS4_IRQ_TIMER2_VIC, EXYNOS4_IRQ_TIMER3_VIC,
+ EXYNOS4_IRQ_TIMER4_VIC,
+ };
+
if (of_have_populated_dt()) {
#ifdef CONFIG_OF
of_clk_init(NULL);
@@ -455,7 +485,14 @@ void __init exynos_init_time(void)
exynos4_clk_init(NULL, !soc_is_exynos4210(), S5P_VA_CMU, readl(S5P_VA_CHIPID + 8) & 1);
exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f);
#endif
- mct_init(S5P_VA_SYSTIMER, EXYNOS4_IRQ_MCT_G0, EXYNOS4_IRQ_MCT_L0, EXYNOS4_IRQ_MCT_L1);
+#ifdef CONFIG_CLKSRC_SAMSUNG_PWM
+ if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
+ samsung_pwm_clocksource_init(S3C_VA_TIMER,
+ timer_irqs, &exynos4_pwm_variant);
+ else
+#endif
+ mct_init(S5P_VA_SYSTIMER, EXYNOS4_IRQ_MCT_G0,
+ EXYNOS4_IRQ_MCT_L0, EXYNOS4_IRQ_MCT_L1);
}
}
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 60dd35cc01a..11fc1e29819 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -32,6 +32,8 @@ void exynos4_clk_register_fixed_ext(unsigned long, unsigned long);
void exynos_firmware_init(void);
+void exynos_set_timer_source(u8 channels);
+
#ifdef CONFIG_PM_GENERIC_DOMAINS
int exynos_pm_late_initcall(void);
#else
diff --git a/arch/arm/mach-exynos/include/mach/pm-core.h b/arch/arm/mach-exynos/include/mach/pm-core.h
index 7dbbfec13ea..296090e7f42 100644
--- a/arch/arm/mach-exynos/include/mach/pm-core.h
+++ b/arch/arm/mach-exynos/include/mach/pm-core.h
@@ -18,8 +18,15 @@
#ifndef __ASM_ARCH_PM_CORE_H
#define __ASM_ARCH_PM_CORE_H __FILE__
+#include <linux/of.h>
#include <mach/regs-pmu.h>
+#ifdef CONFIG_PINCTRL_EXYNOS
+extern u32 exynos_get_eint_wake_mask(void);
+#else
+static inline u32 exynos_get_eint_wake_mask(void) { return 0xffffffff; }
+#endif
+
static inline void s3c_pm_debug_init_uart(void)
{
/* nothing here yet */
@@ -27,7 +34,12 @@ static inline void s3c_pm_debug_init_uart(void)
static inline void s3c_pm_arch_prepare_irqs(void)
{
- __raw_writel(s3c_irqwake_eintmask, S5P_EINT_WAKEUP_MASK);
+ u32 eintmask = s3c_irqwake_eintmask;
+
+ if (of_have_populated_dt())
+ eintmask = exynos_get_eint_wake_mask();
+
+ __raw_writel(eintmask, S5P_EINT_WAKEUP_MASK);
__raw_writel(s3c_irqwake_intmask & ~(1 << 31), S5P_WAKEUP_MASK);
}
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index 327d50d4681..74ddb2b5561 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -41,7 +41,6 @@
#include <plat/mfc.h>
#include <plat/sdhci.h>
#include <plat/fimc-core.h>
-#include <plat/samsung-time.h>
#include <plat/camport.h>
#include <mach/map.h>
@@ -1094,7 +1093,7 @@ static void __init universal_map_io(void)
{
exynos_init_io(NULL, 0);
s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
- samsung_set_timer_source(SAMSUNG_PWM2, SAMSUNG_PWM4);
+ exynos_set_timer_source(BIT(2) | BIT(4));
xxti_f = 0;
xusbxti_f = 24000000;
}
@@ -1154,7 +1153,7 @@ MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
.map_io = universal_map_io,
.init_machine = universal_machine_init,
.init_late = exynos_init_late,
- .init_time = samsung_timer_init,
+ .init_time = exynos_init_time,
.reserve = &universal_reserve,
.restart = exynos4_restart,
MACHINE_END
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 15125900308..4e3148ce852 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -177,17 +177,18 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode)
static const char *step_sels[] = { "osc", "pll2_pfd2_396m", };
static const char *pll1_sw_sels[] = { "pll1_sys", "step", };
static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", };
-static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", };
+static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", "dummy", };
+static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", };
static const char *periph_sels[] = { "periph_pre", "periph_clk2", };
static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", };
-static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "pll3_pfd1_540m", };
+static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "periph", "pll3_pfd1_540m", };
static const char *audio_sels[] = { "pll4_post_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
static const char *gpu_axi_sels[] = { "axi", "ahb", };
static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", };
static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
-static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", };
+static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m", };
static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
-static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", };
+static const char *ldb_di_sels[] = { "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", };
static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
static const char *ipu1_di0_sels[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
static const char *ipu1_di1_sels[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
@@ -369,8 +370,8 @@ int __init mx6q_clocks_init(void)
clk[pll1_sw] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels));
clk[periph_pre] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels));
clk[periph2_pre] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels));
- clk[periph_clk2_sel] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 1, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));
- clk[periph2_clk2_sel] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));
+ clk[periph_clk2_sel] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));
+ clk[periph2_clk2_sel] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels));
clk[axi_sel] = imx_clk_mux("axi_sel", base + 0x14, 6, 2, axi_sels, ARRAY_SIZE(axi_sels));
clk[esai_sel] = imx_clk_mux("esai_sel", base + 0x20, 19, 2, audio_sels, ARRAY_SIZE(audio_sels));
clk[asrc_sel] = imx_clk_mux("asrc_sel", base + 0x30, 7, 2, audio_sels, ARRAY_SIZE(audio_sels));
@@ -498,7 +499,7 @@ int __init mx6q_clocks_init(void)
clk[ldb_di1] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14);
clk[ipu2_di1] = imx_clk_gate2("ipu2_di1", "ipu2_di1_sel", base + 0x74, 10);
clk[hsi_tx] = imx_clk_gate2("hsi_tx", "hsi_tx_podf", base + 0x74, 16);
- clk[mlb] = imx_clk_gate2("mlb", "pll8_mlb", base + 0x74, 18);
+ clk[mlb] = imx_clk_gate2("mlb", "axi", base + 0x74, 18);
clk[mmdc_ch0_axi] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20);
clk[mmdc_ch1_axi] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22);
clk[ocram] = imx_clk_gate2("ocram", "ahb", base + 0x74, 28);
diff --git a/arch/arm/mach-imx/headsmp.S b/arch/arm/mach-imx/headsmp.S
index 67b9c48dcaf..627f16f0e9d 100644
--- a/arch/arm/mach-imx/headsmp.S
+++ b/arch/arm/mach-imx/headsmp.S
@@ -18,8 +18,20 @@
.section ".text.head", "ax"
#ifdef CONFIG_SMP
+diag_reg_offset:
+ .word g_diag_reg - .
+
+ .macro set_diag_reg
+ adr r0, diag_reg_offset
+ ldr r1, [r0]
+ add r1, r1, r0 @ r1 = physical &g_diag_reg
+ ldr r0, [r1]
+ mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register
+ .endm
+
ENTRY(v7_secondary_startup)
bl v7_invalidate_l1
+ set_diag_reg
b secondary_startup
ENDPROC(v7_secondary_startup)
#endif
diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c
index 4a69305db65..c6e1ab54488 100644
--- a/arch/arm/mach-imx/platsmp.c
+++ b/arch/arm/mach-imx/platsmp.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/smp.h>
+#include <asm/cacheflush.h>
#include <asm/page.h>
#include <asm/smp_scu.h>
#include <asm/mach/map.h>
@@ -21,6 +22,7 @@
#define SCU_STANDBY_ENABLE (1 << 5)
+u32 g_diag_reg;
static void __iomem *scu_base;
static struct map_desc scu_io_desc __initdata = {
@@ -80,6 +82,18 @@ void imx_smp_prepare(void)
static void __init imx_smp_prepare_cpus(unsigned int max_cpus)
{
imx_smp_prepare();
+
+ /*
+ * The diagnostic register holds the errata bits. Mostly bootloader
+ * does not bring up secondary cores, so that when errata bits are set
+ * in bootloader, they are set only for boot cpu. But on a SMP
+ * configuration, it should be equally done on every single core.
+ * Read the register from boot cpu here, and will replicate it into
+ * secondary cores when booting them.
+ */
+ asm("mrc p15, 0, %0, c15, c0, 1" : "=r" (g_diag_reg) : : "cc");
+ __cpuc_flush_dcache_area(&g_diag_reg, sizeof(g_diag_reg));
+ outer_clean_range(__pa(&g_diag_reg), __pa(&g_diag_reg + 1));
}
struct smp_operations imx_smp_ops __initdata = {
diff --git a/arch/arm/mach-kirkwood/board-ts219.c b/arch/arm/mach-kirkwood/board-ts219.c
index acb0187c7ee..4695d5f35fc 100644
--- a/arch/arm/mach-kirkwood/board-ts219.c
+++ b/arch/arm/mach-kirkwood/board-ts219.c
@@ -41,13 +41,3 @@ void __init qnap_dt_ts219_init(void)
pm_power_off = qnap_tsx1x_power_off;
}
-
-/* FIXME: Will not work with DT. Maybe use MPP40_GPIO? */
-static int __init ts219_pci_init(void)
-{
- if (machine_is_ts219())
- kirkwood_pcie_init(KW_PCIE0);
-
- return 0;
-}
-subsys_initcall(ts219_pci_init);
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index c2cae69e6d2..f3892289756 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -528,12 +528,6 @@ void __init kirkwood_init_early(void)
{
orion_time_set_base(TIMER_VIRT_BASE);
- /*
- * Some Kirkwood devices allocate their coherent buffers from atomic
- * context. Increase size of atomic coherent pool to make sure such
- * the allocations won't fail.
- */
- init_dma_coherent_pool_size(SZ_1M);
mvebu_mbus_init("marvell,kirkwood-mbus",
BRIDGE_WINS_BASE, BRIDGE_WINS_SZ,
DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ);
diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c
index 827cde42414..e96fd71abd7 100644
--- a/arch/arm/mach-kirkwood/mpp.c
+++ b/arch/arm/mach-kirkwood/mpp.c
@@ -22,9 +22,10 @@ static unsigned int __init kirkwood_variant(void)
kirkwood_pcie_id(&dev, &rev);
- if ((dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0) ||
- (dev == MV88F6282_DEV_ID))
+ if (dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0)
return MPP_F6281_MASK;
+ if (dev == MV88F6282_DEV_ID)
+ return MPP_F6282_MASK;
if (dev == MV88F6192_DEV_ID && rev >= MV88F6192_REV_A0)
return MPP_F6192_MASK;
if (dev == MV88F6180_DEV_ID)
diff --git a/arch/arm/mach-kirkwood/ts219-setup.c b/arch/arm/mach-kirkwood/ts219-setup.c
index 283abff9022..e1267d6b468 100644
--- a/arch/arm/mach-kirkwood/ts219-setup.c
+++ b/arch/arm/mach-kirkwood/ts219-setup.c
@@ -124,7 +124,7 @@ static void __init qnap_ts219_init(void)
static int __init ts219_pci_init(void)
{
if (machine_is_ts219())
- kirkwood_pcie_init(KW_PCIE0);
+ kirkwood_pcie_init(KW_PCIE1 | KW_PCIE0);
return 0;
}
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index e11acbb0a46..80a8bcacd9d 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -15,6 +15,7 @@ config ARCH_MVEBU
select MVEBU_CLK_GATING
select MVEBU_MBUS
select ZONE_DMA if ARM_LPAE
+ select ARCH_REQUIRE_GPIOLIB
if ARCH_MVEBU
diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c
index 42a4cb3087e..1c48890bb72 100644
--- a/arch/arm/mach-mvebu/armada-370-xp.c
+++ b/arch/arm/mach-mvebu/armada-370-xp.c
@@ -54,13 +54,6 @@ void __init armada_370_xp_init_early(void)
char *mbus_soc_name;
/*
- * Some Armada 370/XP devices allocate their coherent buffers
- * from atomic context. Increase size of atomic coherent pool
- * to make sure such the allocations won't fail.
- */
- init_dma_coherent_pool_size(SZ_1M);
-
- /*
* This initialization will be replaced by a DT-based
* initialization once the mvebu-mbus driver gains DT support.
*/
diff --git a/arch/arm/mach-mvebu/coherency_ll.S b/arch/arm/mach-mvebu/coherency_ll.S
index 53e8391192c..5476669ba90 100644
--- a/arch/arm/mach-mvebu/coherency_ll.S
+++ b/arch/arm/mach-mvebu/coherency_ll.S
@@ -32,15 +32,21 @@ ENTRY(ll_set_cpu_coherent)
/* Add CPU to SMP group - Atomic */
add r3, r0, #ARMADA_XP_CFB_CTL_REG_OFFSET
- ldr r2, [r3]
+1:
+ ldrex r2, [r3]
orr r2, r2, r1
- str r2, [r3]
+ strex r0, r2, [r3]
+ cmp r0, #0
+ bne 1b
/* Enable coherency on CPU - Atomic */
- add r3, r0, #ARMADA_XP_CFB_CFG_REG_OFFSET
- ldr r2, [r3]
+ add r3, r3, #ARMADA_XP_CFB_CFG_REG_OFFSET
+1:
+ ldrex r2, [r3]
orr r2, r2, r1
- str r2, [r3]
+ strex r0, r2, [r3]
+ cmp r0, #0
+ bne 1b
dsb
diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c
index 68ab858e27b..a94b3a718d1 100644
--- a/arch/arm/mach-omap1/dma.c
+++ b/arch/arm/mach-omap1/dma.c
@@ -345,6 +345,7 @@ static int __init omap1_system_dma_init(void)
dev_err(&pdev->dev,
"%s: Memory allocation failed for d->chan!\n",
__func__);
+ ret = -ENOMEM;
goto exit_release_d;
}
diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c
index 6ebc7803bc3..af3544ce4f0 100644
--- a/arch/arm/mach-omap2/cclock33xx_data.c
+++ b/arch/arm/mach-omap2/cclock33xx_data.c
@@ -454,9 +454,29 @@ DEFINE_CLK_GATE(cefuse_fck, "sys_clkin_ck", &sys_clkin_ck, 0x0,
*/
DEFINE_CLK_FIXED_FACTOR(clkdiv32k_ck, "clk_24mhz", &clk_24mhz, 0x0, 1, 732);
-DEFINE_CLK_GATE(clkdiv32k_ick, "clkdiv32k_ck", &clkdiv32k_ck, 0x0,
- AM33XX_CM_PER_CLKDIV32K_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT,
- 0x0, NULL);
+static struct clk clkdiv32k_ick;
+
+static const char *clkdiv32k_ick_parent_names[] = {
+ "clkdiv32k_ck",
+};
+
+static const struct clk_ops clkdiv32k_ick_ops = {
+ .enable = &omap2_dflt_clk_enable,
+ .disable = &omap2_dflt_clk_disable,
+ .is_enabled = &omap2_dflt_clk_is_enabled,
+ .init = &omap2_init_clk_clkdm,
+};
+
+static struct clk_hw_omap clkdiv32k_ick_hw = {
+ .hw = {
+ .clk = &clkdiv32k_ick,
+ },
+ .enable_reg = AM33XX_CM_PER_CLKDIV32K_CLKCTRL,
+ .enable_bit = AM33XX_MODULEMODE_SWCTRL_SHIFT,
+ .clkdm_name = "clk_24mhz_clkdm",
+};
+
+DEFINE_STRUCT_CLK(clkdiv32k_ick, clkdiv32k_ick_parent_names, clkdiv32k_ick_ops);
/* "usbotg_fck" is an additional clock and not really a modulemode */
DEFINE_CLK_GATE(usbotg_fck, "dpll_per_ck", &dpll_per_ck, 0x0,
diff --git a/arch/arm/mach-omap2/clock36xx.c b/arch/arm/mach-omap2/clock36xx.c
index 8f3bf4e5090..bbd6a3f717e 100644
--- a/arch/arm/mach-omap2/clock36xx.c
+++ b/arch/arm/mach-omap2/clock36xx.c
@@ -20,11 +20,12 @@
#include <linux/kernel.h>
#include <linux/clk.h>
+#include <linux/clk-provider.h>
#include <linux/io.h>
#include "clock.h"
#include "clock36xx.h"
-
+#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
/**
* omap36xx_pwrdn_clk_enable_with_hsdiv_restore - enable clocks suffering
@@ -39,29 +40,28 @@
*/
int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk_hw *clk)
{
- struct clk_hw_omap *parent;
+ struct clk_divider *parent;
struct clk_hw *parent_hw;
- u32 dummy_v, orig_v, clksel_shift;
+ u32 dummy_v, orig_v;
int ret;
/* Clear PWRDN bit of HSDIVIDER */
ret = omap2_dflt_clk_enable(clk);
parent_hw = __clk_get_hw(__clk_get_parent(clk->clk));
- parent = to_clk_hw_omap(parent_hw);
+ parent = to_clk_divider(parent_hw);
/* Restore the dividers */
if (!ret) {
- clksel_shift = __ffs(parent->clksel_mask);
- orig_v = __raw_readl(parent->clksel_reg);
+ orig_v = __raw_readl(parent->reg);
dummy_v = orig_v;
/* Write any other value different from the Read value */
- dummy_v ^= (1 << clksel_shift);
- __raw_writel(dummy_v, parent->clksel_reg);
+ dummy_v ^= (1 << parent->shift);
+ __raw_writel(dummy_v, parent->reg);
/* Write the original divider */
- __raw_writel(orig_v, parent->clksel_reg);
+ __raw_writel(orig_v, parent->reg);
}
return ret;
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index d25a95fe992..7341eff63f5 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1356,13 +1356,27 @@ static void _enable_sysc(struct omap_hwmod *oh)
clkdm = _get_clkdm(oh);
if (sf & SYSC_HAS_SIDLEMODE) {
+ if (oh->flags & HWMOD_SWSUP_SIDLE ||
+ oh->flags & HWMOD_SWSUP_SIDLE_ACT) {
+ idlemode = HWMOD_IDLEMODE_NO;
+ } else {
+ if (sf & SYSC_HAS_ENAWAKEUP)
+ _enable_wakeup(oh, &v);
+ if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
+ idlemode = HWMOD_IDLEMODE_SMART_WKUP;
+ else
+ idlemode = HWMOD_IDLEMODE_SMART;
+ }
+
+ /*
+ * This is special handling for some IPs like
+ * 32k sync timer. Force them to idle!
+ */
clkdm_act = (clkdm && clkdm->flags & CLKDM_ACTIVE_WITH_MPU);
if (clkdm_act && !(oh->class->sysc->idlemodes &
(SIDLE_SMART | SIDLE_SMART_WKUP)))
idlemode = HWMOD_IDLEMODE_FORCE;
- else
- idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ?
- HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART;
+
_set_slave_idlemode(oh, idlemode, &v);
}
@@ -1391,10 +1405,6 @@ static void _enable_sysc(struct omap_hwmod *oh)
(sf & SYSC_HAS_CLOCKACTIVITY))
_set_clockactivity(oh, oh->class->sysc->clockact, &v);
- /* If slave is in SMARTIDLE, also enable wakeup */
- if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE))
- _enable_wakeup(oh, &v);
-
_write_sysconfig(v, oh);
/*
@@ -1430,13 +1440,16 @@ static void _idle_sysc(struct omap_hwmod *oh)
sf = oh->class->sysc->sysc_flags;
if (sf & SYSC_HAS_SIDLEMODE) {
- /* XXX What about HWMOD_IDLEMODE_SMART_WKUP? */
- if (oh->flags & HWMOD_SWSUP_SIDLE ||
- !(oh->class->sysc->idlemodes &
- (SIDLE_SMART | SIDLE_SMART_WKUP)))
+ if (oh->flags & HWMOD_SWSUP_SIDLE) {
idlemode = HWMOD_IDLEMODE_FORCE;
- else
- idlemode = HWMOD_IDLEMODE_SMART;
+ } else {
+ if (sf & SYSC_HAS_ENAWAKEUP)
+ _enable_wakeup(oh, &v);
+ if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
+ idlemode = HWMOD_IDLEMODE_SMART_WKUP;
+ else
+ idlemode = HWMOD_IDLEMODE_SMART;
+ }
_set_slave_idlemode(oh, idlemode, &v);
}
@@ -1455,10 +1468,6 @@ static void _idle_sysc(struct omap_hwmod *oh)
_set_master_standbymode(oh, idlemode, &v);
}
- /* If slave is in SMARTIDLE, also enable wakeup */
- if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE))
- _enable_wakeup(oh, &v);
-
_write_sysconfig(v, oh);
}
@@ -2065,7 +2074,7 @@ static int _omap4_get_context_lost(struct omap_hwmod *oh)
* do so is present in the hwmod data, then call it and pass along the
* return value; otherwise, return 0.
*/
-static int __init _enable_preprogram(struct omap_hwmod *oh)
+static int _enable_preprogram(struct omap_hwmod *oh)
{
if (!oh->class->enable_preprogram)
return 0;
@@ -2246,42 +2255,6 @@ static int _idle(struct omap_hwmod *oh)
}
/**
- * omap_hwmod_set_ocp_autoidle - set the hwmod's OCP autoidle bit
- * @oh: struct omap_hwmod *
- * @autoidle: desired AUTOIDLE bitfield value (0 or 1)
- *
- * Sets the IP block's OCP autoidle bit in hardware, and updates our
- * local copy. Intended to be used by drivers that require
- * direct manipulation of the AUTOIDLE bits.
- * Returns -EINVAL if @oh is null or is not in the ENABLED state, or passes
- * along the return value from _set_module_autoidle().
- *
- * Any users of this function should be scrutinized carefully.
- */
-int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle)
-{
- u32 v;
- int retval = 0;
- unsigned long flags;
-
- if (!oh || oh->_state != _HWMOD_STATE_ENABLED)
- return -EINVAL;
-
- spin_lock_irqsave(&oh->_lock, flags);
-
- v = oh->_sysc_cache;
-
- retval = _set_module_autoidle(oh, autoidle, &v);
-
- if (!retval)
- _write_sysconfig(v, oh);
-
- spin_unlock_irqrestore(&oh->_lock, flags);
-
- return retval;
-}
-
-/**
* _shutdown - shutdown an omap_hwmod
* @oh: struct omap_hwmod *
*
@@ -3180,38 +3153,6 @@ error:
}
/**
- * omap_hwmod_set_slave_idlemode - set the hwmod's OCP slave idlemode
- * @oh: struct omap_hwmod *
- * @idlemode: SIDLEMODE field bits (shifted to bit 0)
- *
- * Sets the IP block's OCP slave idlemode in hardware, and updates our
- * local copy. Intended to be used by drivers that have some erratum
- * that requires direct manipulation of the SIDLEMODE bits. Returns
- * -EINVAL if @oh is null, or passes along the return value from
- * _set_slave_idlemode().
- *
- * XXX Does this function have any current users? If not, we should
- * remove it; it is better to let the rest of the hwmod code handle this.
- * Any users of this function should be scrutinized carefully.
- */
-int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode)
-{
- u32 v;
- int retval = 0;
-
- if (!oh)
- return -EINVAL;
-
- v = oh->_sysc_cache;
-
- retval = _set_slave_idlemode(oh, idlemode, &v);
- if (!retval)
- _write_sysconfig(v, oh);
-
- return retval;
-}
-
-/**
* omap_hwmod_lookup - look up a registered omap_hwmod by name
* @name: name of the omap_hwmod to look up
*
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index fe5962921f0..0c898f58ac9 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -463,6 +463,9 @@ struct omap_hwmod_omap4_prcm {
* is kept in force-standby mode. Failing to do so causes PM problems
* with musb on OMAP3630 at least. Note that musb has a dedicated register
* to control MSTANDBY signal when MIDLEMODE is set to force-standby.
+ * HWMOD_SWSUP_SIDLE_ACT: omap_hwmod code should manually bring the module
+ * out of idle, but rely on smart-idle to the put it back in idle,
+ * so the wakeups are still functional (Only known case for now is UART)
*/
#define HWMOD_SWSUP_SIDLE (1 << 0)
#define HWMOD_SWSUP_MSTANDBY (1 << 1)
@@ -476,6 +479,7 @@ struct omap_hwmod_omap4_prcm {
#define HWMOD_EXT_OPT_MAIN_CLK (1 << 9)
#define HWMOD_BLOCK_WFI (1 << 10)
#define HWMOD_FORCE_MSTANDBY (1 << 11)
+#define HWMOD_SWSUP_SIDLE_ACT (1 << 12)
/*
* omap_hwmod._int_flags definitions
@@ -641,9 +645,6 @@ int omap_hwmod_read_hardreset(struct omap_hwmod *oh, const char *name);
int omap_hwmod_enable_clocks(struct omap_hwmod *oh);
int omap_hwmod_disable_clocks(struct omap_hwmod *oh);
-int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode);
-int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle);
-
int omap_hwmod_reset(struct omap_hwmod *oh);
void omap_hwmod_ocp_barrier(struct omap_hwmod *oh);
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index c8c64b3e1ac..d05fc7b5456 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -512,6 +512,7 @@ struct omap_hwmod omap2xxx_uart1_hwmod = {
.mpu_irqs = omap2_uart1_mpu_irqs,
.sdma_reqs = omap2_uart1_sdma_reqs,
.main_clk = "uart1_fck",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@@ -531,6 +532,7 @@ struct omap_hwmod omap2xxx_uart2_hwmod = {
.mpu_irqs = omap2_uart2_mpu_irqs,
.sdma_reqs = omap2_uart2_sdma_reqs,
.main_clk = "uart2_fck",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@@ -550,6 +552,7 @@ struct omap_hwmod omap2xxx_uart3_hwmod = {
.mpu_irqs = omap2_uart3_mpu_irqs,
.sdma_reqs = omap2_uart3_sdma_reqs,
.main_clk = "uart3_fck",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
index 01d8f324450..69337af748c 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
@@ -1995,6 +1995,7 @@ static struct omap_hwmod am33xx_uart1_hwmod = {
.name = "uart1",
.class = &uart_class,
.clkdm_name = "l4_wkup_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = am33xx_uart1_irqs,
.sdma_reqs = uart1_edma_reqs,
.main_clk = "dpll_per_m2_div4_wkupdm_ck",
@@ -2006,6 +2007,13 @@ static struct omap_hwmod am33xx_uart1_hwmod = {
},
};
+/* uart2 */
+static struct omap_hwmod_dma_info uart2_edma_reqs[] = {
+ { .name = "tx", .dma_req = 28, },
+ { .name = "rx", .dma_req = 29, },
+ { .dma_req = -1 }
+};
+
static struct omap_hwmod_irq_info am33xx_uart2_irqs[] = {
{ .irq = 73 + OMAP_INTC_START, },
{ .irq = -1 },
@@ -2015,8 +2023,9 @@ static struct omap_hwmod am33xx_uart2_hwmod = {
.name = "uart2",
.class = &uart_class,
.clkdm_name = "l4ls_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = am33xx_uart2_irqs,
- .sdma_reqs = uart1_edma_reqs,
+ .sdma_reqs = uart2_edma_reqs,
.main_clk = "dpll_per_m2_div4_ck",
.prcm = {
.omap4 = {
@@ -2042,6 +2051,7 @@ static struct omap_hwmod am33xx_uart3_hwmod = {
.name = "uart3",
.class = &uart_class,
.clkdm_name = "l4ls_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = am33xx_uart3_irqs,
.sdma_reqs = uart3_edma_reqs,
.main_clk = "dpll_per_m2_div4_ck",
@@ -2062,6 +2072,7 @@ static struct omap_hwmod am33xx_uart4_hwmod = {
.name = "uart4",
.class = &uart_class,
.clkdm_name = "l4ls_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = am33xx_uart4_irqs,
.sdma_reqs = uart1_edma_reqs,
.main_clk = "dpll_per_m2_div4_ck",
@@ -2082,6 +2093,7 @@ static struct omap_hwmod am33xx_uart5_hwmod = {
.name = "uart5",
.class = &uart_class,
.clkdm_name = "l4ls_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = am33xx_uart5_irqs,
.sdma_reqs = uart1_edma_reqs,
.main_clk = "dpll_per_m2_div4_ck",
@@ -2102,6 +2114,7 @@ static struct omap_hwmod am33xx_uart6_hwmod = {
.name = "uart6",
.class = &uart_class,
.clkdm_name = "l4ls_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = am33xx_uart6_irqs,
.sdma_reqs = uart1_edma_reqs,
.main_clk = "dpll_per_m2_div4_ck",
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 4083606ea1d..31c7126eb3b 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -490,6 +490,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod = {
.mpu_irqs = omap2_uart1_mpu_irqs,
.sdma_reqs = omap2_uart1_sdma_reqs,
.main_clk = "uart1_fck",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@@ -508,6 +509,7 @@ static struct omap_hwmod omap3xxx_uart2_hwmod = {
.mpu_irqs = omap2_uart2_mpu_irqs,
.sdma_reqs = omap2_uart2_sdma_reqs,
.main_clk = "uart2_fck",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@@ -526,6 +528,7 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = {
.mpu_irqs = omap2_uart3_mpu_irqs,
.sdma_reqs = omap2_uart3_sdma_reqs,
.main_clk = "uart3_fck",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = OMAP3430_PER_MOD,
@@ -555,6 +558,7 @@ static struct omap_hwmod omap36xx_uart4_hwmod = {
.mpu_irqs = uart4_mpu_irqs,
.sdma_reqs = uart4_sdma_reqs,
.main_clk = "uart4_fck",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = OMAP3430_PER_MOD,
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index eaba9dc91a0..848b6dc6759 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -3434,6 +3434,7 @@ static struct omap_hwmod omap44xx_uart1_hwmod = {
.name = "uart1",
.class = &omap44xx_uart_hwmod_class,
.clkdm_name = "l4_per_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = omap44xx_uart1_irqs,
.sdma_reqs = omap44xx_uart1_sdma_reqs,
.main_clk = "func_48m_fclk",
@@ -3462,6 +3463,7 @@ static struct omap_hwmod omap44xx_uart2_hwmod = {
.name = "uart2",
.class = &omap44xx_uart_hwmod_class,
.clkdm_name = "l4_per_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = omap44xx_uart2_irqs,
.sdma_reqs = omap44xx_uart2_sdma_reqs,
.main_clk = "func_48m_fclk",
@@ -3490,7 +3492,8 @@ static struct omap_hwmod omap44xx_uart3_hwmod = {
.name = "uart3",
.class = &omap44xx_uart_hwmod_class,
.clkdm_name = "l4_per_clkdm",
- .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET,
+ .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET |
+ HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = omap44xx_uart3_irqs,
.sdma_reqs = omap44xx_uart3_sdma_reqs,
.main_clk = "func_48m_fclk",
@@ -3519,6 +3522,7 @@ static struct omap_hwmod omap44xx_uart4_hwmod = {
.name = "uart4",
.class = &omap44xx_uart_hwmod_class,
.clkdm_name = "l4_per_clkdm",
+ .flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = omap44xx_uart4_irqs,
.sdma_reqs = omap44xx_uart4_sdma_reqs,
.main_clk = "func_48m_fclk",
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index c01859398b5..5a2d8034c8d 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -546,8 +546,10 @@ static void __init prcm_setup_regs(void)
/* Clear any pending PRCM interrupts */
omap2_prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
- if (omap3_has_iva())
- omap3_iva_idle();
+ /*
+ * We need to idle iva2_pwrdm even on am3703 with no iva2.
+ */
+ omap3_iva_idle();
omap3_d2d_idle();
}
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 8396b5b7e91..f6601563aa6 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -95,38 +95,9 @@ static void omap_uart_enable_wakeup(struct device *dev, bool enable)
omap_hwmod_disable_wakeup(od->hwmods[0]);
}
-/*
- * Errata i291: [UART]:Cannot Acknowledge Idle Requests
- * in Smartidle Mode When Configured for DMA Operations.
- * WA: configure uart in force idle mode.
- */
-static void omap_uart_set_noidle(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct omap_device *od = to_omap_device(pdev);
-
- omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_NO);
-}
-
-static void omap_uart_set_smartidle(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct omap_device *od = to_omap_device(pdev);
- u8 idlemode;
-
- if (od->hwmods[0]->class->sysc->idlemodes & SIDLE_SMART_WKUP)
- idlemode = HWMOD_IDLEMODE_SMART_WKUP;
- else
- idlemode = HWMOD_IDLEMODE_SMART;
-
- omap_hwmod_set_slave_idlemode(od->hwmods[0], idlemode);
-}
-
#else
static void omap_uart_enable_wakeup(struct device *dev, bool enable)
{}
-static void omap_uart_set_noidle(struct device *dev) {}
-static void omap_uart_set_smartidle(struct device *dev) {}
#endif /* CONFIG_PM */
#ifdef CONFIG_OMAP_MUX
@@ -299,8 +270,6 @@ void __init omap_serial_init_port(struct omap_board_data *bdata,
omap_up.uartclk = OMAP24XX_BASE_BAUD * 16;
omap_up.flags = UPF_BOOT_AUTOCONF;
omap_up.get_context_loss_count = omap_pm_get_dev_context_loss_count;
- omap_up.set_forceidle = omap_uart_set_smartidle;
- omap_up.set_noidle = omap_uart_set_noidle;
omap_up.enable_wakeup = omap_uart_enable_wakeup;
omap_up.dma_rx_buf_size = info->dma_rx_buf_size;
omap_up.dma_rx_timeout = info->dma_rx_timeout;
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index b97fd672e89..f8a6db9239b 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -199,13 +199,6 @@ void __init orion5x_init_early(void)
orion_time_set_base(TIMER_VIRT_BASE);
- /*
- * Some Orion5x devices allocate their coherent buffers from atomic
- * context. Increase size of atomic coherent pool to make sure such
- * the allocations won't fail.
- */
- init_dma_coherent_pool_size(SZ_1M);
-
/* Initialize the MBUS driver */
orion5x_pcie_id(&dev, &rev);
if (dev == MV88F5281_DEV_ID)
diff --git a/arch/arm/mach-prima2/pm.c b/arch/arm/mach-prima2/pm.c
index 9936c180bf0..8f595c0cc8d 100644
--- a/arch/arm/mach-prima2/pm.c
+++ b/arch/arm/mach-prima2/pm.c
@@ -101,8 +101,10 @@ static int __init sirfsoc_of_pwrc_init(void)
struct device_node *np;
np = of_find_matching_node(NULL, pwrc_ids);
- if (!np)
- panic("unable to find compatible pwrc node in dtb\n");
+ if (!np) {
+ pr_err("unable to find compatible sirf pwrc node in dtb\n");
+ return -ENOENT;
+ }
/*
* pwrc behind rtciobrg is not located in memory space
diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c
index 435019ca0a4..d5e0cbc934c 100644
--- a/arch/arm/mach-prima2/rstc.c
+++ b/arch/arm/mach-prima2/rstc.c
@@ -28,8 +28,10 @@ static int __init sirfsoc_of_rstc_init(void)
struct device_node *np;
np = of_find_matching_node(NULL, rstc_ids);
- if (!np)
- panic("unable to find compatible rstc node in dtb\n");
+ if (!np) {
+ pr_err("unable to find compatible sirf rstc node in dtb\n");
+ return -ENOENT;
+ }
sirfsoc_rstc_base = of_iomap(np, 0);
if (!sirfsoc_rstc_base)
diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c
index 91052855cc1..b9594e911ce 100644
--- a/arch/arm/mach-shmobile/board-marzen.c
+++ b/arch/arm/mach-shmobile/board-marzen.c
@@ -212,8 +212,8 @@ static struct platform_device *marzen_devices[] __initdata = {
static struct usb_phy *phy;
static int usb_power_on(struct platform_device *pdev)
{
- if (!phy)
- return -EIO;
+ if (IS_ERR(phy))
+ return PTR_ERR(phy);
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
@@ -225,7 +225,7 @@ static int usb_power_on(struct platform_device *pdev)
static void usb_power_off(struct platform_device *pdev)
{
- if (!phy)
+ if (IS_ERR(phy))
return;
usb_phy_shutdown(phy);
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index fdf3894b1cc..9696f364686 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -252,7 +252,7 @@ static struct sh_timer_config cmt10_platform_data = {
.name = "CMT10",
.channel_offset = 0x10,
.timer_bit = 0,
- .clockevent_rating = 125,
+ .clockevent_rating = 80,
.clocksource_rating = 125,
};
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index d259c782d74..5b045e302b4 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -1,5 +1,6 @@
config ARCH_SUNXI
bool "Allwinner A1X SOCs" if ARCH_MULTI_V7
+ select ARCH_REQUIRE_GPIOLIB
select CLKSRC_MMIO
select CLKSRC_OF
select COMMON_CLK
diff --git a/arch/arm/mach-tegra/tegra2_emc.c b/arch/arm/mach-tegra/tegra2_emc.c
index 9e8bdfa2b36..31e69a019bd 100644
--- a/arch/arm/mach-tegra/tegra2_emc.c
+++ b/arch/arm/mach-tegra/tegra2_emc.c
@@ -307,11 +307,6 @@ static int tegra_emc_probe(struct platform_device *pdev)
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "missing register base\n");
- return -ENOMEM;
- }
-
emc_regbase = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(emc_regbase))
return PTR_ERR(emc_regbase);
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index 6a4387e39df..b19b07204aa 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -51,6 +51,7 @@ config MACH_MOP500
bool "U8500 Development platform, MOP500 versions"
select I2C
select I2C_NOMADIK
+ select REGULATOR
select REGULATOR_FIXED_VOLTAGE
select SOC_BUS
select UX500_SOC_DB8500
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 33c353bc1c4..d6b7c8556fa 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -374,6 +374,7 @@ static struct ab8500_regulator_reg_init ab8500_reg_init[] = {
static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
/* supplies to the display/camera */
[AB8500_LDO_AUX1] = {
+ .supply_regulator = "ab8500-ext-supply3",
.constraints = {
.name = "V-DISPLAY",
.min_uV = 2800000,
@@ -387,6 +388,7 @@ static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
},
/* supplies to the on-board eMMC */
[AB8500_LDO_AUX2] = {
+ .supply_regulator = "ab8500-ext-supply3",
.constraints = {
.name = "V-eMMC1",
.min_uV = 1100000,
@@ -402,6 +404,7 @@ static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
},
/* supply for VAUX3, supplies to SDcard slots */
[AB8500_LDO_AUX3] = {
+ .supply_regulator = "ab8500-ext-supply3",
.constraints = {
.name = "V-MMC-SD",
.min_uV = 1100000,
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 3cd555ac6d0..78389de94dd 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -623,7 +623,7 @@ static void __init mop500_init_machine(void)
sdi0_reg_info.gpios[0].gpio = GPIO_SDMMC_1V8_3V_SEL;
mop500_pinmaps_init();
- parent = u8500_init_devices(&ab8500_platdata);
+ parent = u8500_init_devices();
for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
mop500_platform_devs[i]->dev.parent = parent;
@@ -660,7 +660,7 @@ static void __init snowball_init_machine(void)
sdi0_reg_info.gpios[0].gpio = SNOWBALL_SDMMC_1V8_3V_GPIO;
snowball_pinmaps_init();
- parent = u8500_init_devices(&ab8500_platdata);
+ parent = u8500_init_devices();
for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
snowball_platform_devs[i]->dev.parent = parent;
@@ -698,7 +698,7 @@ static void __init hrefv60_init_machine(void)
sdi0_reg_info.gpios[0].gpio = HREFV60_SDMMC_1V8_3V_GPIO;
hrefv60_pinmaps_init();
- parent = u8500_init_devices(&ab8500_platdata);
+ parent = u8500_init_devices();
for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
mop500_platform_devs[i]->dev.parent = parent;
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index e90b5ab23b6..46cca52890b 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -206,7 +206,7 @@ static struct device * __init db8500_soc_device_init(void)
/*
* This function is called from the board init
*/
-struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500)
+struct device * __init u8500_init_devices(void)
{
struct device *parent;
int i;
@@ -220,8 +220,6 @@ struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500)
for (i = 0; i < ARRAY_SIZE(platform_devs); i++)
platform_devs[i]->dev.parent = parent;
- db8500_prcmu_device.dev.platform_data = ab8500;
-
platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
return parent;
@@ -278,7 +276,7 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("st,nomadik-i2c", 0x8012a000, "nmk-i2c.4", NULL),
OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu",
&db8500_prcmu_pdata),
- OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x", NULL),
+ OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x.0", NULL),
/* Requires device name bindings. */
OF_DEV_AUXDATA("stericsson,nmk-pinctrl", U8500_PRCMU_BASE,
"pinctrl-db8500", NULL),
diff --git a/arch/arm/mach-ux500/cpuidle.c b/arch/arm/mach-ux500/cpuidle.c
index 317a2be129f..a45dd09daed 100644
--- a/arch/arm/mach-ux500/cpuidle.c
+++ b/arch/arm/mach-ux500/cpuidle.c
@@ -21,6 +21,7 @@
#include <asm/proc-fns.h>
#include "db8500-regs.h"
+#include "id.h"
static atomic_t master = ATOMIC_INIT(0);
static DEFINE_SPINLOCK(master_lock);
@@ -114,6 +115,9 @@ static struct cpuidle_driver ux500_idle_driver = {
int __init ux500_idle_init(void)
{
+ if (!(cpu_is_u8500_family() || cpu_is_ux540_family()))
+ return -ENODEV;
+
/* Configure wake up reasons */
prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) |
PRCMU_WAKEUP(ABB));
diff --git a/arch/arm/mach-ux500/setup.h b/arch/arm/mach-ux500/setup.h
index bddce2b4937..cad3ca86c54 100644
--- a/arch/arm/mach-ux500/setup.h
+++ b/arch/arm/mach-ux500/setup.h
@@ -18,7 +18,7 @@
void __init ux500_map_io(void);
extern void __init u8500_map_io(void);
-extern struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500);
+extern struct device * __init u8500_init_devices(void);
extern void __init ux500_init_irq(void);
extern void __init ux500_init_late(void);
diff --git a/arch/arm/mach-vt8500/vt8500.c b/arch/arm/mach-vt8500/vt8500.c
index 1dd281efc02..f5c33df7a59 100644
--- a/arch/arm/mach-vt8500/vt8500.c
+++ b/arch/arm/mach-vt8500/vt8500.c
@@ -173,6 +173,7 @@ static const char * const vt8500_dt_compat[] = {
"wm,wm8505",
"wm,wm8750",
"wm,wm8850",
+ NULL
};
DT_MACHINE_START(WMT_DT, "VIA/Wondermedia SoC (Device Tree Support)")
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 15451ee4acc..515b00064da 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -92,6 +92,14 @@ ENTRY(v7_flush_dcache_louis)
mrc p15, 1, r0, c0, c0, 1 @ read clidr, r0 = clidr
ALT_SMP(ands r3, r0, #(7 << 21)) @ extract LoUIS from clidr
ALT_UP(ands r3, r0, #(7 << 27)) @ extract LoUU from clidr
+#ifdef CONFIG_ARM_ERRATA_643719
+ ALT_SMP(mrceq p15, 0, r2, c0, c0, 0) @ read main ID register
+ ALT_UP(moveq pc, lr) @ LoUU is zero, so nothing to do
+ ldreq r1, =0x410fc090 @ ID of ARM Cortex A9 r0p?
+ biceq r2, r2, #0x0000000f @ clear minor revision number
+ teqeq r2, r1 @ test for errata affected core and if so...
+ orreqs r3, #(1 << 21) @ fix LoUIS value (and set flags state to 'ne')
+#endif
ALT_SMP(mov r3, r3, lsr #20) @ r3 = LoUIS * 2
ALT_UP(mov r3, r3, lsr #26) @ r3 = LoUU * 2
moveq pc, lr @ return if level == 0
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 0d473cce501..32aa5861119 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -301,6 +301,39 @@ void flush_dcache_page(struct page *page)
EXPORT_SYMBOL(flush_dcache_page);
/*
+ * Ensure cache coherency for the kernel mapping of this page. We can
+ * assume that the page is pinned via kmap.
+ *
+ * If the page only exists in the page cache and there are no user
+ * space mappings, this is a no-op since the page was already marked
+ * dirty at creation. Otherwise, we need to flush the dirty kernel
+ * cache lines directly.
+ */
+void flush_kernel_dcache_page(struct page *page)
+{
+ if (cache_is_vivt() || cache_is_vipt_aliasing()) {
+ struct address_space *mapping;
+
+ mapping = page_mapping(page);
+
+ if (!mapping || mapping_mapped(mapping)) {
+ void *addr;
+
+ addr = page_address(page);
+ /*
+ * kmap_atomic() doesn't set the page virtual
+ * address for highmem pages, and
+ * kunmap_atomic() takes care of cache
+ * flushing already.
+ */
+ if (!IS_ENABLED(CONFIG_HIGHMEM) || addr)
+ __cpuc_flush_dcache_area(addr, PAGE_SIZE);
+ }
+ }
+}
+EXPORT_SYMBOL(flush_kernel_dcache_page);
+
+/*
* Flush an anonymous page so that users of get_user_pages()
* can safely access the data. The expected sequence is:
*
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e0d8565671a..4d409e6a552 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -616,10 +616,12 @@ static void __init alloc_init_pte(pmd_t *pmd, unsigned long addr,
} while (pte++, addr += PAGE_SIZE, addr != end);
}
-static void __init map_init_section(pmd_t *pmd, unsigned long addr,
+static void __init __map_init_section(pmd_t *pmd, unsigned long addr,
unsigned long end, phys_addr_t phys,
const struct mem_type *type)
{
+ pmd_t *p = pmd;
+
#ifndef CONFIG_ARM_LPAE
/*
* In classic MMU format, puds and pmds are folded in to
@@ -638,7 +640,7 @@ static void __init map_init_section(pmd_t *pmd, unsigned long addr,
phys += SECTION_SIZE;
} while (pmd++, addr += SECTION_SIZE, addr != end);
- flush_pmd_entry(pmd);
+ flush_pmd_entry(p);
}
static void __init alloc_init_pmd(pud_t *pud, unsigned long addr,
@@ -661,7 +663,7 @@ static void __init alloc_init_pmd(pud_t *pud, unsigned long addr,
*/
if (type->prot_sect &&
((addr | next | phys) & ~SECTION_MASK) == 0) {
- map_init_section(pmd, addr, next, phys, type);
+ __map_init_section(pmd, addr, next, phys, type);
} else {
alloc_init_pte(pmd, addr, next,
__phys_to_pfn(phys), type);
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index d51225f90ae..eb5293a69a8 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -57,6 +57,12 @@ void flush_dcache_page(struct page *page)
}
EXPORT_SYMBOL(flush_dcache_page);
+void flush_kernel_dcache_page(struct page *page)
+{
+ __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);
+}
+EXPORT_SYMBOL(flush_kernel_dcache_page);
+
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long uaddr, void *dst, const void *src,
unsigned long len)
diff --git a/arch/arm/mm/proc-fa526.S b/arch/arm/mm/proc-fa526.S
index d217e9795d7..aaeb6c127c7 100644
--- a/arch/arm/mm/proc-fa526.S
+++ b/arch/arm/mm/proc-fa526.S
@@ -81,7 +81,6 @@ ENDPROC(cpu_fa526_reset)
*/
.align 4
ENTRY(cpu_fa526_do_idle)
- mcr p15, 0, r0, c7, c0, 4 @ Wait for interrupt
mov pc, lr
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index f9a0aa725ea..e3c48a3fe06 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -333,3 +333,8 @@ ENTRY(\name\()_tlb_fns)
.endif
.size \name\()_tlb_fns, . - \name\()_tlb_fns
.endm
+
+.macro globl_equ x, y
+ .globl \x
+ .equ \x, \y
+.endm
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 2c73a7301ff..e35fec34453 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -140,6 +140,29 @@ ENTRY(cpu_v7_do_resume)
ENDPROC(cpu_v7_do_resume)
#endif
+#ifdef CONFIG_CPU_PJ4B
+ globl_equ cpu_pj4b_switch_mm, cpu_v7_switch_mm
+ globl_equ cpu_pj4b_set_pte_ext, cpu_v7_set_pte_ext
+ globl_equ cpu_pj4b_proc_init, cpu_v7_proc_init
+ globl_equ cpu_pj4b_proc_fin, cpu_v7_proc_fin
+ globl_equ cpu_pj4b_reset, cpu_v7_reset
+#ifdef CONFIG_PJ4B_ERRATA_4742
+ENTRY(cpu_pj4b_do_idle)
+ dsb @ WFI may enter a low-power mode
+ wfi
+ dsb @barrier
+ mov pc, lr
+ENDPROC(cpu_pj4b_do_idle)
+#else
+ globl_equ cpu_pj4b_do_idle, cpu_v7_do_idle
+#endif
+ globl_equ cpu_pj4b_dcache_clean_area, cpu_v7_dcache_clean_area
+ globl_equ cpu_pj4b_do_suspend, cpu_v7_do_suspend
+ globl_equ cpu_pj4b_do_resume, cpu_v7_do_resume
+ globl_equ cpu_pj4b_suspend_size, cpu_v7_suspend_size
+
+#endif
+
__CPUINIT
/*
@@ -350,6 +373,9 @@ __v7_setup_stack:
@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
define_processor_functions v7, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
+#ifdef CONFIG_CPU_PJ4B
+ define_processor_functions pj4b, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
+#endif
.section ".rodata"
@@ -362,7 +388,7 @@ __v7_setup_stack:
/*
* Standard v7 proc info content
*/
-.macro __v7_proc initfunc, mm_mmuflags = 0, io_mmuflags = 0, hwcaps = 0
+.macro __v7_proc initfunc, mm_mmuflags = 0, io_mmuflags = 0, hwcaps = 0, proc_fns = v7_processor_functions
ALT_SMP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
PMD_SECT_AF | PMD_FLAGS_SMP | \mm_mmuflags)
ALT_UP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
@@ -375,7 +401,7 @@ __v7_setup_stack:
.long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_FAST_MULT | \
HWCAP_EDSP | HWCAP_TLS | \hwcaps
.long cpu_v7_name
- .long v7_processor_functions
+ .long \proc_fns
.long v7wbi_tlb_fns
.long v6_user_fns
.long v7_cache_fns
@@ -407,12 +433,14 @@ __v7_ca9mp_proc_info:
/*
* Marvell PJ4B processor.
*/
+#ifdef CONFIG_CPU_PJ4B
.type __v7_pj4b_proc_info, #object
__v7_pj4b_proc_info:
- .long 0x562f5840
- .long 0xfffffff0
- __v7_proc __v7_pj4b_setup
+ .long 0x560f5800
+ .long 0xff0fff00
+ __v7_proc __v7_pj4b_setup, proc_fns = pj4b_processor_functions
.size __v7_pj4b_proc_info, . - __v7_pj4b_proc_info
+#endif
/*
* ARM Ltd. Cortex A7 processor.
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 251f827271e..c019b7aaf77 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -383,7 +383,7 @@ static struct resource orion_ge10_shared_resources[] = {
static struct platform_device orion_ge10_shared = {
.name = MV643XX_ETH_SHARED_NAME,
- .id = 1,
+ .id = 2,
.dev = {
.platform_data = &orion_ge10_shared_data,
},
@@ -398,8 +398,8 @@ static struct resource orion_ge10_resources[] = {
static struct platform_device orion_ge10 = {
.name = MV643XX_ETH_NAME,
- .id = 1,
- .num_resources = 2,
+ .id = 2,
+ .num_resources = 1,
.resource = orion_ge10_resources,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
@@ -432,7 +432,7 @@ static struct resource orion_ge11_shared_resources[] = {
static struct platform_device orion_ge11_shared = {
.name = MV643XX_ETH_SHARED_NAME,
- .id = 1,
+ .id = 3,
.dev = {
.platform_data = &orion_ge11_shared_data,
},
@@ -447,8 +447,8 @@ static struct resource orion_ge11_resources[] = {
static struct platform_device orion_ge11 = {
.name = MV643XX_ETH_NAME,
- .id = 1,
- .num_resources = 2,
+ .id = 3,
+ .num_resources = 1,
.resource = orion_ge11_resources,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h
index e06fc5fefa1..d9a24f605a2 100644
--- a/arch/arm/plat-orion/include/plat/common.h
+++ b/arch/arm/plat-orion/include/plat/common.h
@@ -10,6 +10,7 @@
#ifndef __PLAT_COMMON_H
#include <linux/mv643xx_eth.h>
+#include <linux/platform_data/usb-ehci-orion.h>
struct dsa_platform_data;
struct mv_sata_platform_data;
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index ca07cb1b155..79690f2f6d3 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -381,11 +381,6 @@ static int s3c_adc_probe(struct platform_device *pdev)
}
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!regs) {
- dev_err(dev, "failed to find registers\n");
- return -ENXIO;
- }
-
adc->regs = devm_ioremap_resource(dev, regs);
if (IS_ERR(adc->regs))
return PTR_ERR(adc->regs);
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 30c2fe243f7..0f9c3f431a5 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -311,9 +311,9 @@ struct platform_device s5p_device_jpeg = {
#ifdef CONFIG_S5P_DEV_FIMD0
static struct resource s5p_fimd0_resource[] = {
[0] = DEFINE_RES_MEM(S5P_PA_FIMD0, SZ_32K),
- [1] = DEFINE_RES_IRQ(IRQ_FIMD0_VSYNC),
- [2] = DEFINE_RES_IRQ(IRQ_FIMD0_FIFO),
- [3] = DEFINE_RES_IRQ(IRQ_FIMD0_SYSTEM),
+ [1] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_VSYNC, "vsync"),
+ [2] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_FIFO, "fifo"),
+ [3] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_SYSTEM, "lcd_sys"),
};
struct platform_device s5p_device_fimd0 = {
diff --git a/arch/arm/plat-samsung/include/plat/uncompress.h b/arch/arm/plat-samsung/include/plat/uncompress.h
index 438b24846e7..02b66d723d1 100644
--- a/arch/arm/plat-samsung/include/plat/uncompress.h
+++ b/arch/arm/plat-samsung/include/plat/uncompress.h
@@ -66,6 +66,9 @@ uart_rd(unsigned int reg)
static void putc(int ch)
{
+ if (!config_enabled(CONFIG_DEBUG_LL))
+ return;
+
if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) {
int level;
@@ -118,7 +121,12 @@ static void arch_decomp_error(const char *x)
#ifdef CONFIG_S3C_BOOT_UART_FORCE_FIFO
static inline void arch_enable_uart_fifo(void)
{
- u32 fifocon = uart_rd(S3C2410_UFCON);
+ u32 fifocon;
+
+ if (!config_enabled(CONFIG_DEBUG_LL))
+ return;
+
+ fifocon = uart_rd(S3C2410_UFCON);
if (!(fifocon & S3C2410_UFCON_FIFOMODE)) {
fifocon |= S3C2410_UFCON_RESETBOTH;
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index 53210ec4e8e..bd7124c87fe 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -16,6 +16,7 @@
#include <linux/suspend.h>
#include <linux/errno.h>
#include <linux/delay.h>
+#include <linux/of.h>
#include <linux/serial_core.h>
#include <linux/io.h>
@@ -261,7 +262,8 @@ static int s3c_pm_enter(suspend_state_t state)
* require a full power-cycle)
*/
- if (!any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) &&
+ if (!of_have_populated_dt() &&
+ !any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) &&
!any_allowed(s3c_irqwake_eintmask, s3c_irqwake_eintallow)) {
printk(KERN_ERR "%s: No wake-up sources!\n", __func__);
printk(KERN_ERR "%s: Aborting sleep\n", __func__);
@@ -270,8 +272,11 @@ static int s3c_pm_enter(suspend_state_t state)
/* save all necessary core registers not covered by the drivers */
- samsung_pm_save_gpios();
- samsung_pm_saved_gpios();
+ if (!of_have_populated_dt()) {
+ samsung_pm_save_gpios();
+ samsung_pm_saved_gpios();
+ }
+
s3c_pm_save_uarts();
s3c_pm_save_core();
@@ -310,8 +315,11 @@ static int s3c_pm_enter(suspend_state_t state)
s3c_pm_restore_core();
s3c_pm_restore_uarts();
- samsung_pm_restore_gpios();
- s3c_pm_restored_gpios();
+
+ if (!of_have_populated_dt()) {
+ samsung_pm_restore_gpios();
+ s3c_pm_restored_gpios();
+ }
s3c_pm_debug_init();
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index 323ce1a62bb..46e17492fd1 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -60,7 +60,7 @@ ENTRY(vfp_testing_entry)
str r11, [r10, #TI_PREEMPT]
#endif
ldr r0, VFP_arch_address
- str r5, [r0] @ known non-zero value
+ str r0, [r0] @ set to non-zero value
mov pc, r9 @ we have handled the fault
ENDPROC(vfp_testing_entry)
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index d30042e3997..13609e01f4b 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -152,11 +152,12 @@ int xen_unmap_domain_mfn_range(struct vm_area_struct *vma,
}
EXPORT_SYMBOL_GPL(xen_unmap_domain_mfn_range);
-static int __init xen_secondary_init(unsigned int cpu)
+static void __init xen_percpu_init(void *unused)
{
struct vcpu_register_vcpu_info info;
struct vcpu_info *vcpup;
int err;
+ int cpu = get_cpu();
pr_info("Xen: initializing cpu%d\n", cpu);
vcpup = per_cpu_ptr(xen_vcpu_info, cpu);
@@ -165,14 +166,10 @@ static int __init xen_secondary_init(unsigned int cpu)
info.offset = offset_in_page(vcpup);
err = HYPERVISOR_vcpu_op(VCPUOP_register_vcpu_info, cpu, &info);
- if (err) {
- pr_debug("register_vcpu_info failed: err=%d\n", err);
- } else {
- /* This cpu is using the registered vcpu info, even if
- later ones fail to. */
- per_cpu(xen_vcpu, cpu) = vcpup;
- }
- return 0;
+ BUG_ON(err);
+ per_cpu(xen_vcpu, cpu) = vcpup;
+
+ enable_percpu_irq(xen_events_irq, 0);
}
static void xen_restart(char str, const char *cmd)
@@ -208,7 +205,6 @@ static int __init xen_guest_init(void)
const char *version = NULL;
const char *xen_prefix = "xen,xen-";
struct resource res;
- int i;
node = of_find_compatible_node(NULL, NULL, "xen,xen");
if (!node) {
@@ -265,19 +261,23 @@ static int __init xen_guest_init(void)
sizeof(struct vcpu_info));
if (xen_vcpu_info == NULL)
return -ENOMEM;
- for_each_online_cpu(i)
- xen_secondary_init(i);
gnttab_init();
if (!xen_initial_domain())
xenbus_probe(NULL);
+ return 0;
+}
+core_initcall(xen_guest_init);
+
+static int __init xen_pm_init(void)
+{
pm_power_off = xen_power_off;
arm_pm_restart = xen_restart;
return 0;
}
-core_initcall(xen_guest_init);
+subsys_initcall(xen_pm_init);
static irqreturn_t xen_arm_callback(int irq, void *arg)
{
@@ -285,11 +285,6 @@ static irqreturn_t xen_arm_callback(int irq, void *arg)
return IRQ_HANDLED;
}
-static __init void xen_percpu_enable_events(void *unused)
-{
- enable_percpu_irq(xen_events_irq, 0);
-}
-
static int __init xen_init_events(void)
{
if (!xen_domain() || xen_events_irq < 0)
@@ -303,7 +298,7 @@ static int __init xen_init_events(void)
return -EINVAL;
}
- on_each_cpu(xen_percpu_enable_events, NULL, 0);
+ on_each_cpu(xen_percpu_init, NULL, 0);
return 0;
}