Input: samsung-keypad - remove set but unused variable 'var'

Fixes the following W=1 kernel build warning(s):

 drivers/input/keyboard/samsung-keypad.c: In function ‘samsung_keypad_irq’:
 drivers/input/keyboard/samsung-keypad.c:149:15: warning: variable ‘val’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201112110204.2083435-3-lee.jones@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index 70c1d086bdd2a782400112953a1a43378fe8920c..1ed939d9798cf222e0317d50db40f0784bee488c 100644 (file)
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -146,13 +146,12 @@ static irqreturn_t samsung_keypad_irq(int irq, void *dev_id)
 {
        struct samsung_keypad *keypad = dev_id;
        unsigned int row_state[SAMSUNG_MAX_COLS];
-       unsigned int val;
        bool key_down;
 
        pm_runtime_get_sync(&keypad->pdev->dev);
 
        do {
-               val = readl(keypad->base + SAMSUNG_KEYIFSTSCLR);
+               readl(keypad->base + SAMSUNG_KEYIFSTSCLR);
                /* Clear interrupt. */
                writel(~0x0, keypad->base + SAMSUNG_KEYIFSTSCLR);