diff mbox series

[05/15] input: touchscreen: imx6ul_tsc: Remove set but unused variable 'value'

Message ID 20201112110204.2083435-6-lee.jones@linaro.org
State Accepted
Commit cd536aa5b438351ea170d5e5f0cd75650eaab005
Headers show
Series Rid W=1 issues from Input | expand

Commit Message

Lee Jones Nov. 12, 2020, 11:01 a.m. UTC
Fixes the following W=1 kernel build warning(s):

 drivers/input/touchscreen/imx6ul_tsc.c: In function ‘adc_irq_fn’:
 drivers/input/touchscreen/imx6ul_tsc.c:307:6: warning: variable ‘value’ set but not used [-Wunused-but-set-variable]

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Haibo Chen <haibo.chen@freescale.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>

---
 drivers/input/touchscreen/imx6ul_tsc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

-- 
2.25.1

Comments

Bough Chen Nov. 12, 2020, 12:20 p.m. UTC | #1
> -----Original Message-----

> From: Lee Jones [mailto:lee.jones@linaro.org]

> Sent: 2020年11月12日 19:02

> To: lee.jones@linaro.org

> Cc: linux-kernel@vger.kernel.org; Dmitry Torokhov

> <dmitry.torokhov@gmail.com>; Shawn Guo <shawnguo@kernel.org>; Sascha

> Hauer <s.hauer@pengutronix.de>; Pengutronix Kernel Team

> <kernel@pengutronix.de>; Fabio Estevam <festevam@gmail.com>;

> dl-linux-imx <linux-imx@nxp.com>; Haibo Chen <haibo.chen@freescale.com>;

> linux-input@vger.kernel.org

> Subject: [PATCH 05/15] input: touchscreen: imx6ul_tsc: Remove set but unused

> variable 'value'

> 

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

> 

>  drivers/input/touchscreen/imx6ul_tsc.c: In function ‘adc_irq_fn’:

>  drivers/input/touchscreen/imx6ul_tsc.c:307:6: warning: variable ‘value’ set

> but not used [-Wunused-but-set-variable]

> 

> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>

> Cc: Shawn Guo <shawnguo@kernel.org>

> Cc: Sascha Hauer <s.hauer@pengutronix.de>

> Cc: Pengutronix Kernel Team <kernel@pengutronix.de>

> Cc: Fabio Estevam <festevam@gmail.com>

> Cc: NXP Linux Team <linux-imx@nxp.com>

> Cc: Haibo Chen <haibo.chen@freescale.com>

> Cc: linux-input@vger.kernel.org

> Signed-off-by: Lee Jones <lee.jones@linaro.org>

> ---

>  drivers/input/touchscreen/imx6ul_tsc.c | 3 +--

>  1 file changed, 1 insertion(+), 2 deletions(-)

> 

> diff --git a/drivers/input/touchscreen/imx6ul_tsc.c

> b/drivers/input/touchscreen/imx6ul_tsc.c

> index cd369f9ac5e60..e1852f7d4d31e 100644

> --- a/drivers/input/touchscreen/imx6ul_tsc.c

> +++ b/drivers/input/touchscreen/imx6ul_tsc.c

> @@ -304,11 +304,10 @@ static irqreturn_t adc_irq_fn(int irq, void *dev_id)

> {

>  	struct imx6ul_tsc *tsc = dev_id;

>  	u32 coco;

> -	u32 value;

> 

>  	coco = readl(tsc->adc_regs + REG_ADC_HS);

>  	if (coco & 0x01) {

> -		value = readl(tsc->adc_regs + REG_ADC_R0);

> +		readl(tsc->adc_regs + REG_ADC_R0);

>  		complete(&tsc->completion);

>  	}

> 


Reviewed-by: Haibo Chen <haibo.chen@nxp.com>


> --

> 2.25.1
Dmitry Torokhov Nov. 13, 2020, 7:37 a.m. UTC | #2
On Thu, Nov 12, 2020 at 11:01:54AM +0000, Lee Jones wrote:
> Fixes the following W=1 kernel build warning(s):

> 

>  drivers/input/touchscreen/imx6ul_tsc.c: In function ‘adc_irq_fn’:

>  drivers/input/touchscreen/imx6ul_tsc.c:307:6: warning: variable ‘value’ set but not used [-Wunused-but-set-variable]

> 

> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>

> Cc: Shawn Guo <shawnguo@kernel.org>

> Cc: Sascha Hauer <s.hauer@pengutronix.de>

> Cc: Pengutronix Kernel Team <kernel@pengutronix.de>

> Cc: Fabio Estevam <festevam@gmail.com>

> Cc: NXP Linux Team <linux-imx@nxp.com>

> Cc: Haibo Chen <haibo.chen@freescale.com>

> Cc: linux-input@vger.kernel.org

> Signed-off-by: Lee Jones <lee.jones@linaro.org>


Applied, thank you.

-- 
Dmitry
Lee Jones Nov. 19, 2020, 9:12 a.m. UTC | #3
On Thu, 12 Nov 2020, Dmitry Torokhov wrote:

> On Thu, Nov 12, 2020 at 11:01:54AM +0000, Lee Jones wrote:

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

> > 

> >  drivers/input/touchscreen/imx6ul_tsc.c: In function ‘adc_irq_fn’:

> >  drivers/input/touchscreen/imx6ul_tsc.c:307:6: warning: variable ‘value’ set but not used [-Wunused-but-set-variable]

> > 

> > Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>

> > Cc: Shawn Guo <shawnguo@kernel.org>

> > Cc: Sascha Hauer <s.hauer@pengutronix.de>

> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de>

> > Cc: Fabio Estevam <festevam@gmail.com>

> > Cc: NXP Linux Team <linux-imx@nxp.com>

> > Cc: Haibo Chen <haibo.chen@freescale.com>

> > Cc: linux-input@vger.kernel.org

> > Signed-off-by: Lee Jones <lee.jones@linaro.org>

> 

> Applied, thank you.


Good morning Dmitry,

Are you planning on finishing this review?

About half of the patches are unreviewed and there are a couple of
open questions on others.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog
diff mbox series

Patch

diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c
index cd369f9ac5e60..e1852f7d4d31e 100644
--- a/drivers/input/touchscreen/imx6ul_tsc.c
+++ b/drivers/input/touchscreen/imx6ul_tsc.c
@@ -304,11 +304,10 @@  static irqreturn_t adc_irq_fn(int irq, void *dev_id)
 {
 	struct imx6ul_tsc *tsc = dev_id;
 	u32 coco;
-	u32 value;
 
 	coco = readl(tsc->adc_regs + REG_ADC_HS);
 	if (coco & 0x01) {
-		value = readl(tsc->adc_regs + REG_ADC_R0);
+		readl(tsc->adc_regs + REG_ADC_R0);
 		complete(&tsc->completion);
 	}