Re: [PATCH -next] video: fbdev: intelfb: Remove set but not used variable 'val'

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ping

在 2021/5/27 16:59, Baokun Li 写道:
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/video/fbdev/intelfb/intelfb_i2c.c: In function 'intelfb_gpio_setscl':
drivers/video/fbdev/intelfb/intelfb_i2c.c:58:6: warning:
  variable ‘val’ set but not used [-Wunused-but-set-variable]
drivers/video/fbdev/intelfb/intelfb_i2c.c: In function 'intelfb_gpio_setsda':
drivers/video/fbdev/intelfb/intelfb_i2c.c:69:6: warning:
  variable ‘val’ set but not used [-Wunused-but-set-variable]

It never used since introduction.

Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>
---
  drivers/video/fbdev/intelfb/intelfb_i2c.c | 6 ++----
  1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/video/fbdev/intelfb/intelfb_i2c.c b/drivers/video/fbdev/intelfb/intelfb_i2c.c
index 3300bd31d9d7..4df2f1f8a18e 100644
--- a/drivers/video/fbdev/intelfb/intelfb_i2c.c
+++ b/drivers/video/fbdev/intelfb/intelfb_i2c.c
@@ -55,22 +55,20 @@ static void intelfb_gpio_setscl(void *data, int state)
  {
  	struct intelfb_i2c_chan *chan = data;
  	struct intelfb_info *dinfo = chan->dinfo;
-	u32 val;
OUTREG(chan->reg, (state ? SCL_VAL_OUT : 0) |
  	       SCL_DIR | SCL_DIR_MASK | SCL_VAL_MASK);
-	val = INREG(chan->reg);
+	INREG(chan->reg);
  }
static void intelfb_gpio_setsda(void *data, int state)
  {
  	struct intelfb_i2c_chan *chan = data;
  	struct intelfb_info *dinfo = chan->dinfo;
-	u32 val;
OUTREG(chan->reg, (state ? SDA_VAL_OUT : 0) |
  	       SDA_DIR | SDA_DIR_MASK | SDA_VAL_MASK);
-	val = INREG(chan->reg);
+	INREG(chan->reg);
  }
static int intelfb_gpio_getscl(void *data)



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