[PATCH V2] i2c: s3c2410: remove unused variable
Laurent Navet
laurent.navet at gmail.com
Fri Jul 17 13:27:19 PDT 2015
in i2c_s3c_irq_nextbyte() ret is assigned zero and just used to return.
Remove it and make i2c_s3c_irq_nextbyte() a void function.
Found by using coccinelle.
Signed-off-by: Laurent Navet <laurent.navet at gmail.com>
---
drivers/i2c/busses/i2c-s3c2410.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 50bfd8c..612303a 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -146,7 +146,7 @@ static const struct platform_device_id s3c24xx_driver_ids[] = {
};
MODULE_DEVICE_TABLE(platform, s3c24xx_driver_ids);
-static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat);
+static void i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat);
#ifdef CONFIG_OF
static const struct of_device_id s3c24xx_i2c_match[] = {
@@ -405,11 +405,10 @@ static inline int is_msgend(struct s3c24xx_i2c *i2c)
* process an interrupt and work out what to do
*/
-static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
+static void i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
{
unsigned long tmp;
unsigned char byte;
- int ret = 0;
switch (i2c->state) {
@@ -565,7 +564,7 @@ static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
tmp &= ~S3C2410_IICCON_IRQPEND;
writel(tmp, i2c->regs + S3C2410_IICCON);
out:
- return ret;
+ return;
}
/* s3c24xx_i2c_irq
--
2.1.4
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