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-rw-r--r--arch/arm/mach-s3c2440/mach-osiris.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index 0ba7e9060c7..be5377f128c 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -276,7 +276,17 @@ static unsigned char pm_osiris_ctrl0;
static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state)
{
+ unsigned int tmp;
+
pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0);
+ tmp = pm_osiris_ctrl0 & ~OSIRIS_CTRL0_NANDSEL;
+
+ /* ensure correct NAND slot is selected on resume */
+ if ((pm_osiris_ctrl0 & OSIRIS_CTRL0_BOOT_INT) == 0)
+ tmp |= 2;
+
+ __raw_writeb(tmp, OSIRIS_VA_CTRL0);
+
return 0;
}
@@ -285,6 +295,8 @@ static int osiris_pm_resume(struct sys_device *sd)
if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8)
__raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1);
+ __raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0);
+
return 0;
}