From: David Brownell <dbrownell@users.sourceforge.net>
Date: Tue, 15 Apr 2008 05:31:13 +0000 (-0400)
Subject: Input: gpio_keys - irq handling cleanup
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1164ec1ae43770db6ea5450c6cac0761b11d6d1d;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Input: gpio_keys - irq handling cleanup

Cleanup IRQ handling in gpio_keys:  bail after handling the IRQ, and
report IRQ_NONE if we never handle it.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 6a9ca4bdcb74..a54dc15f9005 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -43,10 +43,11 @@ static irqreturn_t gpio_keys_isr(int irq, void *dev_id)
 
 			input_event(input, type, button->code, !!state);
 			input_sync(input);
+			return IRQ_HANDLED;
 		}
 	}
 
-	return IRQ_HANDLED;
+	return IRQ_NONE;
 }
 
 static int __devinit gpio_keys_probe(struct platform_device *pdev)