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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 09:21:26 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 09:21:26 +0200 |
| commit | b29e2679d0da91c60d3ac190d9c3bd65ac2f68c5 (patch) | |
| tree | 518ec8f4bfd316e91bcc30f434edb78529557eba /arch/arm/mach-at91/at91x40.c | |
| parent | crypto: ux500 - Add driver for HASH hardware (diff) | |
| parent | Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc (diff) | |
| download | linux-b29e2679d0da91c60d3ac190d9c3bd65ac2f68c5.tar.xz linux-b29e2679d0da91c60d3ac190d9c3bd65ac2f68c5.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge mainline to add prerequisite for ARM ux500 crypto support.
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); } |