rtc: v3020: remove set but unused variable

Fix the following warning:
drivers/rtc/rtc-v3020.c: In function ‘rtc_probe’:
drivers/rtc/rtc-v3020.c:287:6: warning: variable ‘temp’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20191122102212.400158-9-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c
index 63ffba2..d2da921 100644 (file)
--- a/drivers/rtc/rtc-v3020.c
+++ b/drivers/rtc/rtc-v3020.c
@@ -284,7 +284,6 @@ static int rtc_probe(struct platform_device *pdev)
        struct v3020 *chip;
        int retval = -EBUSY;
        int i;
-       int temp;
 
        chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
        if (!chip)
@@ -302,7 +301,7 @@ static int rtc_probe(struct platform_device *pdev)
        /* Make sure the v3020 expects a communication cycle
         * by reading 8 times */
        for (i = 0; i < 8; i++)
-               temp = chip->ops->read_bit(chip);
+               chip->ops->read_bit(chip);
 
        /* Test chip by doing a write/read sequence
         * to the chip ram */