diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-02-13 14:58:30 +0800 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2012-04-17 14:46:43 +0200 |
| commit | efd09165aa554f84a42565d5ae6a1af58b06a97a (patch) | |
| tree | 3ca981db0ec5b7882f8e07f2ef204e97ea1b63f9 /arch/arm/mach-at91/pm.c | |
| parent | 7eb1dbb3beb982a7d72514abff96ebc08a22e5cd (diff) | |
ARM: at91: pm select memory controler at runtime
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
[nicolas.ferre@atmel.com: add cpuidle modification]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91/pm.c')
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index f630250c6b87..1bfaad628731 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -261,7 +261,12 @@ static int at91_pm_enter(suspend_state_t state) * For ARM 926 based chips, this requirement is weaker * as at91sam9 can access a RAM in self-refresh mode. */ - at91_standby(); + if (cpu_is_at91rm9200()) + at91rm9200_standby(); + else if (cpu_is_at91sam9g45()) + at91sam9g45_standby(); + else + at91sam9_standby(); break; case PM_SUSPEND_ON: @@ -307,10 +312,9 @@ static int __init at91_pm_init(void) pr_info("AT91: Power Management%s\n", (slow_clock ? " (with slow clock mode)" : "")); -#ifdef CONFIG_ARCH_AT91RM9200 /* AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. */ - at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0); -#endif + if (cpu_is_at91rm9200()) + at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0); suspend_set_ops(&at91_pm_ops); |