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authorVineet Gupta <vgupta@synopsys.com>2014-06-25 17:23:38 +0530
committerVineet Gupta <vgupta@synopsys.com>2014-07-23 11:21:10 +0530
commit25c7c11fa5642ee426fc9fe54661ffeed809413f (patch)
tree47e2c74cec24ef54cba8e3bea126f36d9a13b538 /arch/arc
parent878f46c71e99cfb6d8e4e15a561db63a3c9601e5 (diff)
downloadlinux-25c7c11fa5642ee426fc9fe54661ffeed809413f.tar.gz
ARC: [plat-arcfpga] No need for init_irq hack
With all IRQs unmasked by default on all cores, it is no longer needed to unmask them explicitly. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/plat-arcfpga/Makefile2
-rw-r--r--arch/arc/plat-arcfpga/include/plat/irq.h2
-rw-r--r--arch/arc/plat-arcfpga/irq.c25
-rw-r--r--arch/arc/plat-arcfpga/platform.c3
4 files changed, 1 insertions, 31 deletions
diff --git a/arch/arc/plat-arcfpga/Makefile b/arch/arc/plat-arcfpga/Makefile
index 4d1bddc34b5..66fd0ecd68b 100644
--- a/arch/arc/plat-arcfpga/Makefile
+++ b/arch/arc/plat-arcfpga/Makefile
@@ -8,5 +8,5 @@
KBUILD_CFLAGS += -Iarch/arc/plat-arcfpga/include
-obj-y := platform.o irq.o
+obj-y := platform.o
obj-$(CONFIG_ISS_SMP_EXTN) += smp.o
diff --git a/arch/arc/plat-arcfpga/include/plat/irq.h b/arch/arc/plat-arcfpga/include/plat/irq.h
index 6adbc53c3a5..2c9dea690ac 100644
--- a/arch/arc/plat-arcfpga/include/plat/irq.h
+++ b/arch/arc/plat-arcfpga/include/plat/irq.h
@@ -24,6 +24,4 @@
#define IDU_INTERRUPT_0 16
#endif
-extern void __init plat_fpga_init_IRQ(void);
-
#endif
diff --git a/arch/arc/plat-arcfpga/irq.c b/arch/arc/plat-arcfpga/irq.c
deleted file mode 100644
index d2215fd889c..00000000000
--- a/arch/arc/plat-arcfpga/irq.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * ARC FPGA Platform IRQ hookups
- *
- * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/interrupt.h>
-#include <plat/irq.h>
-
-void __init plat_fpga_init_IRQ(void)
-{
- /*
- * SMP Hack because UART IRQ hardwired to cpu0 (boot-cpu) but if the
- * request_irq() comes from any other CPU, the low level IRQ unamsking
- * essential for getting Interrupts won't be enabled on cpu0, locking
- * up the UART state machine.
- */
-#ifdef CONFIG_SMP
- arch_unmask_irq(UART0_IRQ);
-#endif
-}
diff --git a/arch/arc/plat-arcfpga/platform.c b/arch/arc/plat-arcfpga/platform.c
index 61c7e599738..8c643c2967d 100644
--- a/arch/arc/plat-arcfpga/platform.c
+++ b/arch/arc/plat-arcfpga/platform.c
@@ -150,7 +150,6 @@ MACHINE_START(ANGEL4, "angel4")
.dt_compat = aa4_compat,
.init_early = plat_fpga_early_init,
.init_machine = plat_fpga_populate_dev,
- .init_irq = plat_fpga_init_IRQ,
#ifdef CONFIG_ISS_SMP_EXTN
.init_smp = iss_model_init_smp,
#endif
@@ -165,7 +164,6 @@ MACHINE_START(ML509, "ml509")
.dt_compat = ml509_compat,
.init_early = plat_fpga_early_init,
.init_machine = plat_fpga_populate_dev,
- .init_irq = plat_fpga_init_IRQ,
#ifdef CONFIG_SMP
.init_smp = iss_model_init_smp,
#endif
@@ -180,5 +178,4 @@ MACHINE_START(NSIMOSCI, "nsimosci")
.dt_compat = nsimosci_compat,
.init_early = NULL,
.init_machine = plat_fpga_populate_dev,
- .init_irq = NULL,
MACHINE_END