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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/arm/mach-ux500/hotplug.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-ux500/hotplug.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-ux500/hotplug.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-ux500/hotplug.c b/ANDROID_3.4.5/arch/arm/mach-ux500/hotplug.c deleted file mode 100644 index c76f0f45..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-ux500/hotplug.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (C) STMicroelectronics 2009 - * Copyright (C) ST-Ericsson SA 2010 - * - * License Terms: GNU General Public License v2 - * Based on ARM realview platform - * - * Author: Sundar Iyer <sundar.iyer@stericsson.com> - * - */ -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/smp.h> - -#include <asm/cacheflush.h> -#include <asm/smp_plat.h> - -extern volatile int pen_release; - -static inline void platform_do_lowpower(unsigned int cpu) -{ - flush_cache_all(); - - /* we put the platform to just WFI */ - for (;;) { - __asm__ __volatile__("dsb\n\t" "wfi\n\t" - : : : "memory"); - if (pen_release == cpu_logical_map(cpu)) { - /* - * OK, proper wakeup, we're done - */ - break; - } - } -} - -int platform_cpu_kill(unsigned int cpu) -{ - return 1; -} - -/* - * platform-specific code to shutdown a CPU - * - * Called with IRQs disabled - */ -void platform_cpu_die(unsigned int cpu) -{ - /* directly enter low power state, skipping secure registers */ - platform_do_lowpower(cpu); -} - -int platform_cpu_disable(unsigned int cpu) -{ - /* - * we don't allow CPU 0 to be shutdown (it is still too special - * e.g. clock tick interrupts) - */ - return cpu == 0 ? -EPERM : 0; -} |