diff options
| author |   Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-08-02 10:21:36 -0400 |
|---|---|---|
| committer |   Nicolas Pitre <nico@fluxnic.net> | 2012-01-20 18:55:10 -0500 |
| commit | c9dfafbaca0b66a6665242d019b3b9c5be056fcf (patch) | |
| tree | 68163a95d873055cfa97ea4b62be848adb9d59bd /arch/arm/mach-at91/at91x40.c | |
| parent | ARM: mach-exynos: use standard arch_idle() (diff) | |
| download | linux-dev-c9dfafbaca0b66a6665242d019b3b9c5be056fcf.tar.xz linux-dev-c9dfafbaca0b66a6665242d019b3b9c5be056fcf.zip | |
ARM: mach-at91: move special idle code out of line
... and hook it to arm_pm_idle.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
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..0154b7f44ff1 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. + */ + at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU); + 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); } |