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authorLinus Torvalds <torvalds@linux-foundation.org>2012-08-26 02:33:33 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-26 02:33:33 +0200
commit9acb172543aecb783e2e1e53e3f447d4c0f5c150 (patch)
tree08524a97b260f64084c8b31c4dae5eed23f2d032 /arch/arm/mach-imx/hotplug.c
parentMerge tag 'stable/for-linus-3.6-rc3-tag' of git://git.kernel.org/pub/scm/linu... (diff)
parentMerge branch 'randconfig/mach' into fixes (diff)
downloadlinux-9acb172543aecb783e2e1e53e3f447d4c0f5c150.tar.xz
linux-9acb172543aecb783e2e1e53e3f447d4c0f5c150.zip
Merge tag 'fixes-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc fixes from Arnd Bergmann: "Bug fixes for various ARM platforms. About half of these are for OMAP and submitted before but did not make it into v3.6-rc2." * tag 'fixes-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits) ARM: ux500: don't select LEDS_GPIO for snowball ARM: imx: build i.MX6 functions only when needed ARM: imx: select CPU_FREQ_TABLE when needed ARM: imx: fix ksz9021rn_phy_fixup ARM: imx: build pm-imx5 code only when PM is enabled ARM: omap: allow building omap44xx without SMP ARM: dts: imx51-babbage: fix esdhc cd/wp properties ARM: imx6: spin the cpu until hardware takes it down ARM: ux500: Ensure probing of Audio devices when Device Tree is enabled ARM: ux500: Fix merge error, no matching driver name for 'snd_soc_u8500' ARM i.MX6q: Add virtual 1/3.5 dividers in the LDB clock path ARM: Kirkwood: fix Makefile.boot ARM: Kirkwood: Fix iconnect leds ARM: Orion: Set eth packet size csum offload limit ARM: mv78xx0: fix win_cfg_base prototype ARM: OMAP: dmtimers: Fix locking issue in omap_dm_timer_request*() ARM: mmp: fix potential NULL dereference ARM: OMAP4: Register the OPP table only for 4430 device cpufreq: OMAP: Handle missing frequency table on SMP systems ARM: OMAP4: sleep: Save the complete used register stack frame ...
Diffstat (limited to 'arch/arm/mach-imx/hotplug.c')
-rw-r--r--arch/arm/mach-imx/hotplug.c23
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)