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authorNicolas Pitre <nicolas.pitre@linaro.org>2011-08-02 16:21:36 +0200
committerNicolas Pitre <nico@fluxnic.net>2012-01-21 00:55:10 +0100
commitc9dfafbaca0b66a6665242d019b3b9c5be056fcf (patch)
tree68163a95d873055cfa97ea4b62be848adb9d59bd /arch/arm/mach-at91/at91rm9200.c
parentARM: mach-exynos: use standard arch_idle() (diff)
downloadlinux-c9dfafbaca0b66a6665242d019b3b9c5be056fcf.tar.xz
linux-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/at91rm9200.c')
-rw-r--r--arch/arm/mach-at91/at91rm9200.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 99c3174e24a2..dd6e2de13420 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -289,6 +289,15 @@ static struct at91_gpio_bank at91rm9200_gpio[] __initdata = {
}
};
+static void at91rm9200_idle(void)
+{
+ /*
+ * Disable the processor clock. The processor will be automatically
+ * re-enabled by an interrupt or by a reset.
+ */
+ at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+}
+
static void at91rm9200_restart(char mode, const char *cmd)
{
/*
@@ -314,6 +323,7 @@ static void __init at91rm9200_ioremap_registers(void)
static void __init at91rm9200_initialize(void)
{
+ arm_pm_idle = at91rm9200_idle;
arm_pm_restart = at91rm9200_restart;
at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
| (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3)