diff mbox series

[v1,06/16] rtc: mediatek: remove unnecessary parentheses

Message ID 92d07e90f43899981a82fbc684c3d15aaecaf591.1521794177.git.sean.wang@mediatek.com
State Changes Requested
Headers show
Series Add support to MT6323 RTC and its power device | expand

Commit Message

Sean Wang March 23, 2018, 9:15 a.m. UTC
From: Sean Wang <sean.wang@mediatek.com>

Remove unnecessary parentheses due to explicit C operator precedence.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
 drivers/rtc/rtc-mt6397.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Alexandre Belloni March 23, 2018, 10:21 a.m. UTC | #1
On 23/03/2018 at 17:15:03 +0800, sean.wang@mediatek.com wrote:
> From: Sean Wang <sean.wang@mediatek.com>
> 
> Remove unnecessary parentheses due to explicit C operator precedence.
> 
> Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> ---
>  drivers/rtc/rtc-mt6397.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
> index 0df7ccd..4411c08 100644
> --- a/drivers/rtc/rtc-mt6397.c
> +++ b/drivers/rtc/rtc-mt6397.c
> @@ -106,7 +106,7 @@ static irqreturn_t mtk_rtc_irq_handler_thread(int irq, void *data)
>  	int ret;
>  
>  	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_STA, &irqsta);
> -	if ((ret >= 0) && (irqsta & RTC_IRQ_STA_AL)) {
> +	if (ret >= 0 && irqsta & RTC_IRQ_STA_AL) {

I don't think this makes the code particularly clearer.

>  		rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF);
>  		irqen = irqsta & ~RTC_IRQ_EN_AL;
>  		mutex_lock(&rtc->lock);
> -- 
> 2.7.4
>
Sean Wang March 24, 2018, 7:14 a.m. UTC | #2
On Fri, 2018-03-23 at 11:21 +0100, Alexandre Belloni wrote:
> On 23/03/2018 at 17:15:03 +0800, sean.wang@mediatek.com wrote:
> > From: Sean Wang <sean.wang@mediatek.com>
> > 
> > Remove unnecessary parentheses due to explicit C operator precedence.
> > 
> > Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> > ---
> >  drivers/rtc/rtc-mt6397.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
> > index 0df7ccd..4411c08 100644
> > --- a/drivers/rtc/rtc-mt6397.c
> > +++ b/drivers/rtc/rtc-mt6397.c
> > @@ -106,7 +106,7 @@ static irqreturn_t mtk_rtc_irq_handler_thread(int irq, void *data)
> >  	int ret;
> >  
> >  	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_STA, &irqsta);
> > -	if ((ret >= 0) && (irqsta & RTC_IRQ_STA_AL)) {
> > +	if (ret >= 0 && irqsta & RTC_IRQ_STA_AL) {
> 
> I don't think this makes the code particularly clearer.
> 

But it is still a one of check items in checkpatch

CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'ret >= 0'
#126: FILE: drivers/rtc/rtc-xxx.c:109:
+       if ((ret >= 0) && (irqsta & RTC_IRQ_STA_AL)) {


or we still want to keep it in parentheses around here?

> >  		rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF);
> >  		irqen = irqsta & ~RTC_IRQ_EN_AL;
> >  		mutex_lock(&rtc->lock);
> > -- 
> > 2.7.4
> > 
>
Alexandre Belloni March 24, 2018, 6:53 p.m. UTC | #3
On 24/03/2018 at 15:14:12 +0800, Sean Wang wrote:
> On Fri, 2018-03-23 at 11:21 +0100, Alexandre Belloni wrote:
> > On 23/03/2018 at 17:15:03 +0800, sean.wang@mediatek.com wrote:
> > > From: Sean Wang <sean.wang@mediatek.com>
> > > 
> > > Remove unnecessary parentheses due to explicit C operator precedence.
> > > 
> > > Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> > > ---
> > >  drivers/rtc/rtc-mt6397.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
> > > index 0df7ccd..4411c08 100644
> > > --- a/drivers/rtc/rtc-mt6397.c
> > > +++ b/drivers/rtc/rtc-mt6397.c
> > > @@ -106,7 +106,7 @@ static irqreturn_t mtk_rtc_irq_handler_thread(int irq, void *data)
> > >  	int ret;
> > >  
> > >  	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_STA, &irqsta);
> > > -	if ((ret >= 0) && (irqsta & RTC_IRQ_STA_AL)) {
> > > +	if (ret >= 0 && irqsta & RTC_IRQ_STA_AL) {
> > 
> > I don't think this makes the code particularly clearer.
> > 
> 
> But it is still a one of check items in checkpatch
> 
> CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'ret >= 0'
> #126: FILE: drivers/rtc/rtc-xxx.c:109:
> +       if ((ret >= 0) && (irqsta & RTC_IRQ_STA_AL)) {
> 
> 
> or we still want to keep it in parentheses around here?
> 

Yeah, this is a matter of taste, I would keep the parentheses.
Sean Wang March 24, 2018, 7:21 p.m. UTC | #4
On Sat, 2018-03-24 at 19:53 +0100, Alexandre Belloni wrote:
> On 24/03/2018 at 15:14:12 +0800, Sean Wang wrote:
> > On Fri, 2018-03-23 at 11:21 +0100, Alexandre Belloni wrote:
> > > On 23/03/2018 at 17:15:03 +0800, sean.wang@mediatek.com wrote:
> > > > From: Sean Wang <sean.wang@mediatek.com>
> > > > 
> > > > Remove unnecessary parentheses due to explicit C operator precedence.
> > > > 
> > > > Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> > > > ---
> > > >  drivers/rtc/rtc-mt6397.c | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > > 
> > > > diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
> > > > index 0df7ccd..4411c08 100644
> > > > --- a/drivers/rtc/rtc-mt6397.c
> > > > +++ b/drivers/rtc/rtc-mt6397.c
> > > > @@ -106,7 +106,7 @@ static irqreturn_t mtk_rtc_irq_handler_thread(int irq, void *data)
> > > >  	int ret;
> > > >  
> > > >  	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_STA, &irqsta);
> > > > -	if ((ret >= 0) && (irqsta & RTC_IRQ_STA_AL)) {
> > > > +	if (ret >= 0 && irqsta & RTC_IRQ_STA_AL) {
> > > 
> > > I don't think this makes the code particularly clearer.
> > > 
> > 
> > But it is still a one of check items in checkpatch
> > 
> > CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'ret >= 0'
> > #126: FILE: drivers/rtc/rtc-xxx.c:109:
> > +       if ((ret >= 0) && (irqsta & RTC_IRQ_STA_AL)) {
> > 
> > 
> > or we still want to keep it in parentheses around here?
> > 
> 
> Yeah, this is a matter of taste, I would keep the parentheses.

okay, lets keep the parentheses

> 
>
diff mbox series

Patch

diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index 0df7ccd..4411c08 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -106,7 +106,7 @@  static irqreturn_t mtk_rtc_irq_handler_thread(int irq, void *data)
 	int ret;
 
 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_STA, &irqsta);
-	if ((ret >= 0) && (irqsta & RTC_IRQ_STA_AL)) {
+	if (ret >= 0 && irqsta & RTC_IRQ_STA_AL) {
 		rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF);
 		irqen = irqsta & ~RTC_IRQ_EN_AL;
 		mutex_lock(&rtc->lock);