ARM: mach-shmobile: Allow SoC specific CPU kill code

PATCH New Magnus Damm 1 participant 1 message Dec 28, 2011

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Arm (32-bit) Arm sub-architectures SuperH Arm/RISC-V/Renesas architecture

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Magnus Damm

author maintainer

2011-12-28 07:47 UTC #0 lore raw

PATCH 1/1 ARM: mach-shmobile: Allow SoC specific CPU kill code

From: Magnus Damm <[email protected]>

Add the function shmobile_platform_kill_cpu() to allow SoC specific code to tie in their CPU shutdown code.

Signed-off-by Magnus Damm <[email protected]>

---

 arch/arm/mach-shmobile/hotplug.c             |    3 ++-
 arch/arm/mach-shmobile/include/mach/common.h |    1 +
 arch/arm/mach-shmobile/platsmp.c             |    5 +++++
 3 files changed, 8 insertions(+), 1 deletion(-)

arch/arm/mach-shmobile/hotplug.c +2 -1

@@ -12,10 +12,11 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/smp.h>
+#include <mach/common.h>
 
 int platform_cpu_kill(unsigned int cpu)
 {
-	return 1;
+	return shmobile_platform_cpu_kill(cpu);
 }
 
 void platform_cpu_die(unsigned int cpu)

arch/arm/mach-shmobile/include/mach/common.h +1 -0

@@ -4,6 +4,7 @@
 extern struct sys_timer shmobile_timer;
 extern void shmobile_setup_console(void);
 extern void shmobile_secondary_vector(void);
+extern int shmobile_platform_cpu_kill(unsigned int cpu);
 struct clk;
 extern int clk_init(void);
 extern void shmobile_handle_irq_intc(struct pt_regs *);

arch/arm/mach-shmobile/platsmp.c +5 -0

@@ -44,6 +44,11 @@ static void __init shmobile_smp_prepare_
 		r8a7779_smp_prepare_cpus();
 }
 
+int shmobile_platform_cpu_kill(unsigned int cpu)
+{
+	return 1;
+}
+
 void __cpuinit platform_secondary_init(unsigned int cpu)
 {
 	trace_hardirqs_off();