[PATCH v4 RESEND 5/7] gpio/omap: fix incorrect context restore logic in omap_gpio_runtime_*

Tarun Kanti DebBarma
2012-03-20T10:53:34Z

In omap_gpio_runtime_suspend/resume() the context save/restore should
be independent of bank->enabled_non_wakeup_gpios. This was preventing
context restore of GPIO lines which are not wakeup enabled.

Reported-by: Govindraj Raja <govindraj.raja@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
---
drivers/gpio/gpio-omap.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index bbe9648..bcb1061 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1247,9 +1247,6 @@ static int omap_gpio_runtime_suspend(struct device *dev)
* non-wakeup GPIOs. Otherwise spurious IRQs will be
* generated. See OMAP2420 Errata item 1.101.
*/
- if (!(bank->enabled_non_wakeup_gpios))
- goto update_gpio_context_count;
-
bank->saved_datain = __raw_readl(bank->base +
bank->regs->datain);
l1 = __raw_readl(bank->base + bank->regs->fallingdetect);
@@ -1298,7 +1295,7 @@ static int omap_gpio_runtime_resume(struct device *dev)
__raw_writel(bank->context.risingdetect,
bank->base + bank->regs->risingdetect);

- if (!bank->enabled_non_wakeup_gpios || !bank->workaround_enabled) {
+ if (!bank->workaround_enabled) {
spin_unlock_irqrestore(&bank->lock, flags);
return 0;
}
--
1.7.0.4