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Message-ID: <20150528025848.GA11051@aaronlu.sh.intel.com>
Date: Thu, 28 May 2015 10:58:49 +0800
From: Aaron Lu <aaron.lu@...el.com>
To: Linus Walleij <linus.walleij@...aro.org>,
Alexandre Courbot <gnurou@...il.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
"Zhu, Lejun" <lejun.zhu@...ux.intel.com>,
"Yang, Bin" <bin.yang@...el.com>
Subject: [PATCH] gpio/crystalcove: set IRQCHIP_SKIP_SET_WAKE for the irqchip
The CrystalCove GPIO irqchip doesn't have irq_set_wake callback defined
so we should set IRQCHIP_SKIP_SET_WAKE for it or it would cause an irq
desc's wake_depth unbalanced warning during system resume phase from the
gpio_keys driver, which is the driver for the power button of the ASUS
T100 laptop.
Signed-off-by: Aaron Lu <aaron.lu@...el.com>
Cc: <stable@...r.kernel.org>
---
drivers/gpio/gpio-crystalcove.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 91a7ffe83135..ab457fc00e75 100644
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -255,6 +255,7 @@ static struct irq_chip crystalcove_irqchip = {
.irq_set_type = crystalcove_irq_type,
.irq_bus_lock = crystalcove_bus_lock,
.irq_bus_sync_unlock = crystalcove_bus_sync_unlock,
+ .flags = IRQCHIP_SKIP_SET_WAKE,
};
static irqreturn_t crystalcove_gpio_irq_handler(int irq, void *data)
--
2.4.1
--
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