| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.18 046/151] power: gpio-charger: balance enable/disable_irq_wake calls | Date | Tue, 3 Mar 2015 22:13:00 -0800 |
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3.18-stable review patch. If anyone has any objections, please let me know.
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From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
commit faeed51bb65ce0241052d8dc24ac331ade12e976 upstream.
enable_irq_wakeup returns 0 in case it correctly enabled the IRQ to generate the wakeup event (and thus resume should call disable_irq_wake). Currently gpio-charger driver has this logic inverted. Correct that thus correcting enable/disable_irq_wake() calls balance.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/power/gpio-charger.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/power/gpio-charger.c +++ b/drivers/power/gpio-charger.c @@ -168,7 +168,7 @@ static int gpio_charger_suspend(struct d if (device_may_wakeup(dev)) gpio_charger->wakeup_enabled = - enable_irq_wake(gpio_charger->irq); + !enable_irq_wake(gpio_charger->irq); return 0; } @@ -178,7 +178,7 @@ static int gpio_charger_resume(struct de struct platform_device *pdev = to_platform_device(dev); struct gpio_charger *gpio_charger = platform_get_drvdata(pdev); - if (gpio_charger->wakeup_enabled) + if (device_may_wakeup(dev) && gpio_charger->wakeup_enabled) disable_irq_wake(gpio_charger->irq); power_supply_changed(&gpio_charger->charger);
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