diff options
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 26231e2..71f4628 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -1394,6 +1394,12 @@ void omap2_gpio_set_edge_wakeup(void) u32 level_high = 0; u32 wkup_status = 0; + if (IS_ERR_VALUE(pm_runtime_get_sync(bank->dev) < 0)) { + dev_err(bank->dev, "%s: GPIO bank %d pm_runtime_get_sync " + "failed\n", __func__, bank->id); + return; + } + level_low = __raw_readl(bank->base + bank->regs->leveldetect0); level_high = __raw_readl(bank->base + @@ -1411,10 +1417,15 @@ void omap2_gpio_set_edge_wakeup(void) * even if they are set for level detection only. */ __raw_writel(bank->context.edge_falling | (level_low & wkup_status), - (bank->base + bank->regs->fallingdetect)); + (bank->base + bank->regs->fallingdetect)); __raw_writel(bank->context.edge_rising | (level_high & wkup_status), - (bank->base + bank->regs->risingdetect)); + (bank->base + bank->regs->risingdetect)); + if (IS_ERR_VALUE(pm_runtime_put_sync_suspend(bank->dev) < 0)) { + dev_err(bank->dev, "%s: GPIO bank %d pm_runtime_put_sync " + "failed\n", __func__, bank->id); + return; + } } } @@ -1424,10 +1435,22 @@ void omap2_gpio_restore_edge_wakeup(void) list_for_each_entry(bank, &omap_gpio_list, node) { /* restore edge setting */ + if (IS_ERR_VALUE(pm_runtime_get_sync(bank->dev) < 0)) { + dev_err(bank->dev, "%s: GPIO bank %d pm_runtime_get_sync " + "failed\n", __func__, bank->id); + return; + } + __raw_writel(bank->context.edge_falling, - (bank->base + bank->regs->fallingdetect)); + (bank->base + bank->regs->fallingdetect)); __raw_writel(bank->context.edge_rising, - (bank->base + bank->regs->risingdetect)); + (bank->base + bank->regs->risingdetect)); + + if (IS_ERR_VALUE(pm_runtime_put_sync_suspend(bank->dev) < 0)) { + dev_err(bank->dev, "%s: GPIO bank %d pm_runtime_put_sync " + "failed\n", __func__, bank->id); + return; + } } } |