This patch add IRQF_NO_SUSPEND flag before requesting interrupt handler
if button->wakeup is true. If ther interrupt of gpio-keys hasn't included
IRQF_NO_SUSPEND, wouldn't wake-up from freeze state when pressing button.

Signed-off-by: Chanwoo Choi <[email protected]>
Acked-by: Kyungmin Park <[email protected]>
Cc: Dmitry Torokhov <[email protected]>
Cc: Sachin Kamat <[email protected]>
Cc: Chanwoo Choi <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
 drivers/input/keyboard/gpio_keys.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/input/keyboard/gpio_keys.c 
b/drivers/input/keyboard/gpio_keys.c
index 2db1324..40f3963 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -503,6 +503,9 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
        if (!button->can_disable)
                irqflags |= IRQF_SHARED;
 
+       if (button->wakeup)
+               irqflags |= IRQF_NO_SUSPEND;
+
        error = request_any_context_irq(bdata->irq, isr, irqflags, desc, bdata);
        if (error < 0) {
                dev_err(dev, "Unable to claim irq %d; error %d\n",
-- 
1.8.0

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