Most operations within runtime callbacks should be skipped when
*_runtime_get_sync() and *_runtime_put_sync() are called in probe(),
*_gpio_request() and *_gpio_free(). We just need clock enable/disable.
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@xxxxxx>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
---
drivers/gpio/gpio-omap.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 9d68b15..67c5a96 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1136,6 +1136,9 @@ static int omap_gpio_runtime_suspend(struct device *dev)
for (j = 0; j < hweight_long(bank->dbck_enable_mask); j++)
clk_disable(bank->dbck);
+ if (!bank->mod_usage)
+ return 0;
+
/*
* If going to OFF, remove triggering for all
* non-wakeup GPIOs. Otherwise spurious IRQs will be
@@ -1177,6 +1180,9 @@ static int omap_gpio_runtime_resume(struct device *dev)
for (j = 0; j < hweight_long(bank->dbck_enable_mask); j++)
clk_enable(bank->dbck);
+ if (!bank->mod_usage)
+ return 0;
+
if (bank->get_context_loss_count) {
context_lost_cnt_after =
bank->get_context_loss_count(bank->dev);
--
1.7.0.4
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
