1 files changed, 13 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 7d3e81b9dd06..055dac90e0e2 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");