memory: omap-gpmc: Don't try to save uninitialized GPMC context

[cascardo/linux.git] / drivers / memory / omap-gpmc.c

diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index 3a27a84..9426276 100644 (file)
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -2245,6 +2245,9 @@ void omap3_gpmc_save_context(void)
 {
        int i;
 
+       if (!gpmc_base)
+               return;
+
        gpmc_context.sysconfig = gpmc_read_reg(GPMC_SYSCONFIG);
        gpmc_context.irqenable = gpmc_read_reg(GPMC_IRQENABLE);
        gpmc_context.timeout_ctrl = gpmc_read_reg(GPMC_TIMEOUT_CONTROL);
@@ -2277,6 +2280,9 @@ void omap3_gpmc_restore_context(void)
 {
        int i;
 
+       if (!gpmc_base)
+               return;
+
        gpmc_write_reg(GPMC_SYSCONFIG, gpmc_context.sysconfig);
        gpmc_write_reg(GPMC_IRQENABLE, gpmc_context.irqenable);
        gpmc_write_reg(GPMC_TIMEOUT_CONTROL, gpmc_context.timeout_ctrl);