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| author | Ingo Molnar <mingo@kernel.org> | 2012-09-19 17:32:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-09-19 17:32:12 +0200 |
| commit | 81a15f2ee56fe725ce68e3cdad982117e261d47d (patch) | |
| tree | 930188dd285b2c2b8c0625849d24bf68ed1f0ca0 /arch/arm/mach-imx/hotplug.c | |
| parent | 0570a365a6b8ccbfe7baa459de2b7396ddf2de90 (diff) | |
| parent | 5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff) | |
| download | linux-81a15f2ee56fe725ce68e3cdad982117e261d47d.tar.gz linux-81a15f2ee56fe725ce68e3cdad982117e261d47d.tar.bz2 linux-81a15f2ee56fe725ce68e3cdad982117e261d47d.zip | |
Merge tag 'v3.6-rc6' into x86/cleanups
Merge Linux v3.6-rc6 before applying more cleanups.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/mach-imx/hotplug.c')
| -rw-r--r-- | arch/arm/mach-imx/hotplug.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c index 20ed2d56c1af..f8f7437c83b8 100644 --- a/arch/arm/mach-imx/hotplug.c +++ b/arch/arm/mach-imx/hotplug.c @@ -42,22 +42,6 @@ static inline void cpu_enter_lowpower(void) : "cc"); } -static inline void cpu_leave_lowpower(void) -{ - unsigned int v; - - asm volatile( - "mrc p15, 0, %0, c1, c0, 0\n" - " orr %0, %0, %1\n" - " mcr p15, 0, %0, c1, c0, 0\n" - " mrc p15, 0, %0, c1, c0, 1\n" - " orr %0, %0, %2\n" - " mcr p15, 0, %0, c1, c0, 1\n" - : "=&r" (v) - : "Ir" (CR_C), "Ir" (0x40) - : "cc"); -} - /* * platform-specific code to shutdown a CPU * @@ -67,11 +51,10 @@ void platform_cpu_die(unsigned int cpu) { cpu_enter_lowpower(); imx_enable_cpu(cpu, false); - cpu_do_idle(); - cpu_leave_lowpower(); - /* We should never return from idle */ - panic("cpu %d unexpectedly exit from shutdown\n", cpu); + /* spin here until hardware takes it down */ + while (1) + ; } int platform_cpu_disable(unsigned int cpu) |