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authorTarun Kanti DebBarma <tarun.kanti@ti.com>2012-03-05 05:30:54 -0500
committerTarun Kanti DebBarma <tarun.kanti@ti.com>2012-03-20 06:02:46 -0400
commit960edffe29dfd845ee532ee51398592cba96d701 (patch)
tree6763cad852af2d069335a2398e7978144ac4c812 /drivers/gpio/gpio-omap.c
parent2c836f7ea5e7b5eec2a798e02b1d76ea791fa094 (diff)
gpio/omap: fix incorrect context restore logic in omap_gpio_runtime_*
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> Reviewed-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
-rw-r--r--drivers/gpio/gpio-omap.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index bbe964899017..bcb1061dbd6d 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)
1247 * non-wakeup GPIOs. Otherwise spurious IRQs will be 1247 * non-wakeup GPIOs. Otherwise spurious IRQs will be
1248 * generated. See OMAP2420 Errata item 1.101. 1248 * generated. See OMAP2420 Errata item 1.101.
1249 */ 1249 */
1250 if (!(bank->enabled_non_wakeup_gpios))
1251 goto update_gpio_context_count;
1252
1253 bank->saved_datain = __raw_readl(bank->base + 1250 bank->saved_datain = __raw_readl(bank->base +
1254 bank->regs->datain); 1251 bank->regs->datain);
1255 l1 = __raw_readl(bank->base + bank->regs->fallingdetect); 1252 l1 = __raw_readl(bank->base + bank->regs->fallingdetect);
@@ -1298,7 +1295,7 @@ static int omap_gpio_runtime_resume(struct device *dev)
1298 __raw_writel(bank->context.risingdetect, 1295 __raw_writel(bank->context.risingdetect,
1299 bank->base + bank->regs->risingdetect); 1296 bank->base + bank->regs->risingdetect);
1300 1297
1301 if (!bank->enabled_non_wakeup_gpios || !bank->workaround_enabled) { 1298 if (!bank->workaround_enabled) {
1302 spin_unlock_irqrestore(&bank->lock, flags); 1299 spin_unlock_irqrestore(&bank->lock, flags);
1303 return 0; 1300 return 0;
1304 } 1301 }