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| author | Michal Simek <monstr@monstr.eu> | 2012-03-30 12:10:03 +0200 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2012-03-30 12:10:03 +0200 |
| commit | 6a4770e335bd4df0a4577146f76e116ab6e23f40 (patch) | |
| tree | 305056c20b6ccf3a4fed00e9e32f3a1dd039cd70 /arch/arm/mach-at91/at91x40.c | |
| parent | ac64a9caa55bdfd8d24784f25c68cb7919ddabe3 (diff) | |
| parent | f52b69f86e27903d6896ed5fa7cd280fec8de532 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'arch/arm/mach-at91/at91x40.c')
| -rw-r--r-- | arch/arm/mach-at91/at91x40.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c index 56ba3bd035ae..5400a1d65035 100644 --- a/arch/arm/mach-at91/at91x40.c +++ b/arch/arm/mach-at91/at91x40.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/irq.h> +#include <asm/proc-fns.h> #include <asm/mach/arch.h> #include <mach/at91x40.h> #include <mach/at91_st.h> @@ -37,8 +38,19 @@ unsigned long clk_get_rate(struct clk *clk) return AT91X40_MASTER_CLOCK; } +static void at91x40_idle(void) +{ + /* + * Disable the processor clock. The processor will be automatically + * re-enabled by an interrupt or by a reset. + */ + __raw_writel(AT91_PS_CR_CPU, AT91_PS_CR); + cpu_do_idle(); +} + void __init at91x40_initialize(unsigned long main_clock) { + arm_pm_idle = at91x40_idle; at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1) | (1 << AT91X40_ID_IRQ2); } |