* [PATCH -next] video: fbdev: intelfb: Remove set but not used variable 'val'
@ 2021-05-27 8:59 Baokun Li
2021-06-15 1:58 ` libaokun (A)
0 siblings, 1 reply; 2+ messages in thread
From: Baokun Li @ 2021-05-27 8:59 UTC (permalink / raw)
To: mbroemme, linux-fbdev, dri-devel, linux-kernel
Cc: weiyongjun1, yuehaibing, yangjihong1, yukuai3, libaokun1
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@huawei.com>
---
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)
--
2.25.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH -next] video: fbdev: intelfb: Remove set but not used variable 'val'
2021-05-27 8:59 [PATCH -next] video: fbdev: intelfb: Remove set but not used variable 'val' Baokun Li
@ 2021-06-15 1:58 ` libaokun (A)
0 siblings, 0 replies; 2+ messages in thread
From: libaokun (A) @ 2021-06-15 1:58 UTC (permalink / raw)
To: mbroemme, linux-fbdev, dri-devel, linux-kernel
Cc: weiyongjun1, yuehaibing, yangjihong1, yukuai3
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@huawei.com>
> ---
> 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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2021-05-27 8:59 [PATCH -next] video: fbdev: intelfb: Remove set but not used variable 'val' Baokun Li
2021-06-15 1:58 ` libaokun (A)
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