[PATCH] input:gpio-key: set IRQF_NO_SUSPEND for wake capable key

When wakeup attribute is set, GPIO key is supposed to wake up
the system from system sleep state, So set IRQF_NO_SUSPEND
flag to keep IRQ enabled during suspend.

Signed-off-by: Qi Zheng <redacted>
Signed-off-by: Aubrey Li <redacted>
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
---
 drivers/input/keyboard/gpio_keys.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index ddf4045..9744ad9 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c

@@ -528,6 +528,8 @@ 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 = devm_request_any_context_irq(&pdev->dev, bdata->irq,
 					     isr, irqflags, desc, bdata);

-- 
1.8.3.2