ARM: SAMSUNG: Add support for pre-sleep/post-restore gpio control

Add a callback so that per-arch can do pre-sleep and post-resume
gpio configuration so that for the S3C64XX, the GPIO configuration
is restored before the sleep mode is cleared.

For the S3C64XX case, it means that the GPIOs get set back to normal
operation after the restore code puts the original configurations
back in after the

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv210/include/mach/pm-core.h b/arch/arm/mach-s5pv210/include/mach/pm-core.h
index e8d394f8b057..3e22109e1b7b 100644
--- a/arch/arm/mach-s5pv210/include/mach/pm-core.h
+++ b/arch/arm/mach-s5pv210/include/mach/pm-core.h
@@ -41,3 +41,6 @@ static inline void s3c_pm_arch_update_uart(void __iomem *regs,
 {
         /* nothing here yet */
 }
+
+static inline void s3c_pm_restored_gpios(void) { }
+static inline void s3c_pm_saved_gpios(void) { }