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-rw-r--r--arch/arm/mach-s3c64xx/pm.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 7d3e81b..055dac9 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -346,10 +346,23 @@ int __init s3c64xx_pm_init(void)
static __init int s3c64xx_pm_initcall(void)
{
+ u32 val;
+
pm_cpu_prep = s3c64xx_pm_prepare;
pm_cpu_sleep = s3c64xx_cpu_suspend;
pm_uart_udivslot = 1;
+ /*
+ * Unconditionally disable power domains that contain only
+ * blocks which have no mainline driver support.
+ */
+ val = __raw_readl(S3C64XX_NORMAL_CFG);
+ val &= ~(S3C64XX_NORMALCFG_DOMAIN_G_ON |
+ S3C64XX_NORMALCFG_DOMAIN_V_ON |
+ S3C64XX_NORMALCFG_DOMAIN_I_ON |
+ S3C64XX_NORMALCFG_DOMAIN_P_ON);
+ __raw_writel(val, S3C64XX_NORMAL_CFG);
+
#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
gpio_request(S3C64XX_GPN(12), "DEBUG_LED0");
gpio_request(S3C64XX_GPN(13), "DEBUG_LED1");
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