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authorMarc Zyngier <marc.zyngier@arm.com>2012-06-12 11:16:27 +0100
committerArnd Bergmann <arnd@arndb.de>2012-09-14 11:15:01 +0200
commit28e8e29c616f947348cc66bea684d0035c76021a (patch)
treee60188267452962f522f5c94ca77546257c8466a /arch/arm/kernel
parentac6c7998712d55bd15aa2dd5ae85f5988c0cb526 (diff)
downloadvexpress-lsk-28e8e29c616f947348cc66bea684d0035c76021a.tar.gz
ARM: consolidate pen_release instead of having per platform definitions
Almost each SMP platform defines pen_release to manage booting secondary CPUs. This of course clashes with the single zImage effort. Add the pen_release definition to the ARM SMP code, and remove all others. This should only be used by platforms which lack any kind of CPU power management... Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/smp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index ac3ce029afb..aa4ffe6e5ec 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -51,6 +51,12 @@
*/
struct secondary_data secondary_data;
+/*
+ * control for which core is the next to come out of the secondary
+ * boot "holding pen"
+ */
+volatile int __cpuinitdata pen_release = -1;
+
enum ipi_msg_type {
IPI_TIMER = 2,
IPI_RESCHEDULE,