gpio/omap: fix missing check in *_runtime_suspend()

We do checking for bank->enabled_non_wakeup_gpios in order
to skip redundant operations. Somehow, the check got missed
while doing the cleanup series.

Just to make sure that we do context restore correctly in
*_runtime_resume(), the bank->workaround_enabled check is
moved after context restore. Otherwise, it would prevent
context restore when bank->enabled_non_wakeup_gpios is 0.

Cc: Kevin Hilman <khilman@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Cousson, Benoit <b-cousson@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

1 files changed, 8 insertions, 5 deletions

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 2c70617e6b45..9b71f04538aa 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1157,6 +1157,9 @@ static int omap_gpio_runtime_suspend(struct device *dev)
 
         spin_lock_irqsave(&bank->lock, flags);
 
+        if (!bank->enabled_non_wakeup_gpios)
+                goto update_gpio_context_count;
+
         /*
          * Only edges can generate a wakeup event to the PRCM.
          *
@@ -1232,11 +1235,6 @@ static int omap_gpio_runtime_resume(struct device *dev)
         __raw_writel(bank->context.risingdetect,
                      bank->base + bank->regs->risingdetect);
 
-        if (!bank->workaround_enabled) {
-                spin_unlock_irqrestore(&bank->lock, flags);
-                return 0;
-        }
-
         if (bank->get_context_loss_count) {
                 context_lost_cnt_after =
                         bank->get_context_loss_count(bank->dev);
@@ -1249,6 +1247,11 @@ static int omap_gpio_runtime_resume(struct device *dev)
                 }
         }
 
+        if (!bank->workaround_enabled) {
+                spin_unlock_irqrestore(&bank->lock, flags);
+                return 0;
+        }
+
         __raw_writel(bank->context.fallingdetect,
                         bank->base + bank->regs->fallingdetect);
         __raw_writel(bank->context.risingdetect,