diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c index dca5141a2c31d1ff7f523f000c6a3ca08f9806e9..d8c683b875d1a6ae1b39cb900afe05ddcc657dcc 100644 --- a/arch/arm/mach-tegra/hotplug.c +++ b/arch/arm/mach-tegra/hotplug.c @@ -28,8 +28,8 @@ void __ref tegra_cpu_die(unsigned int cpu) { cpu = cpu_logical_map(cpu); - /* Flush the L1 data cache. */ - flush_cache_all(); + /* Clean L1 data cache */ + tegra_disable_clean_inv_dcache(); /* Shut down the current CPU. */ tegra_hotplug_shutdown(); diff --git a/arch/arm/mach-tegra/sleep-tegra20.S b/arch/arm/mach-tegra/sleep-tegra20.S index 72ce709799dac5e55cff19b5d279d6e5aceca4b8..ad2ca07d057869923bcb5e2fa32612eb440a6744 100644 --- a/arch/arm/mach-tegra/sleep-tegra20.S +++ b/arch/arm/mach-tegra/sleep-tegra20.S @@ -33,9 +33,6 @@ * should never return */ ENTRY(tegra20_hotplug_shutdown) - /* Turn off SMP coherency */ - exit_smp r4, r5 - /* Put this CPU down */ cpu_id r0 bl tegra20_cpu_shutdown diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S index 562a8e7e413dfc18f0edf9d6bab97df428a1b36c..63a15bd9b6530bdda7009000906c09db7854972e 100644 --- a/arch/arm/mach-tegra/sleep-tegra30.S +++ b/arch/arm/mach-tegra/sleep-tegra30.S @@ -32,9 +32,6 @@ * Should never return. */ ENTRY(tegra30_hotplug_shutdown) - /* Turn off SMP coherency */ - exit_smp r4, r5 - /* Powergate this CPU */ mov r0, #TEGRA30_POWER_HOTPLUG_SHUTDOWN bl tegra30_cpu_shutdown diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S index 26afa7cbed11b9de91a10dd50f5634beb094f77d..addae357da3f800a4b28ead0726dabb07ee9aebf 100644 --- a/arch/arm/mach-tegra/sleep.S +++ b/arch/arm/mach-tegra/sleep.S @@ -34,7 +34,7 @@ #include "flowctrl.h" #include "sleep.h" -#ifdef CONFIG_PM_SLEEP +#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_PM_SLEEP) /* * tegra_disable_clean_inv_dcache * @@ -60,7 +60,9 @@ ENTRY(tegra_disable_clean_inv_dcache) ldmfd sp!, {r0, r4-r5, r7, r9-r11, pc} ENDPROC(tegra_disable_clean_inv_dcache) +#endif +#ifdef CONFIG_PM_SLEEP /* * tegra_sleep_cpu_finish(unsigned long v2p) * diff --git a/arch/arm/mach-tegra/sleep.h b/arch/arm/mach-tegra/sleep.h index 9821ee725420440524cff5ae81ed8d417312cf10..56505c381ea83209d0185696f500cf6bd2d5988d 100644 --- a/arch/arm/mach-tegra/sleep.h +++ b/arch/arm/mach-tegra/sleep.h @@ -106,6 +106,7 @@ #else void tegra_resume(void); int tegra_sleep_cpu_finish(unsigned long); +void tegra_disable_clean_inv_dcache(void); #ifdef CONFIG_HOTPLUG_CPU void tegra20_hotplug_init(void);