Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1198536 > unrolled thread

Re: [PATCH 9/15 V2] drivers: rtc: Drop (un)likely before IS_ERR(_OR_NULL)

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: [PATCH 9/15 V2] drivers: rtc: Drop (un)likely before  IS_ERR(_OR_NULL) Hans Ulli Kroll <ulli.kroll@googlemail.com> - 2015-08-03 06:40 +0200

#1198536 — Re: [PATCH 9/15 V2] drivers: rtc: Drop (un)likely before IS_ERR(_OR_NULL)

Hi

On Fri, 31 Jul 2015, Viresh Kumar wrote:

> IS_ERR(_OR_NULL) already contain an 'unlikely' compiler flag and there
> is no need to do that again from its callers. Drop it.
> 
> gemini driver was using likely() for a failure case while the rtc driver
> is getting registered. That looks wrong and it should really be
> unlikely. But because we are killing all the unlikely() flags, lets kill
> that too.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---
> V1->V2:
> - Removed the likely() part from gemini driver and the changelog wasn't
>   updated to match that. Fixed the changelog now.
> 
>  drivers/rtc/interface.c  | 2 +-
>  drivers/rtc/rtc-bfin.c   | 2 +-
>  drivers/rtc/rtc-gemini.c | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
> index 11b639067312..5836751b8203 100644
> --- a/drivers/rtc/interface.c
> +++ b/drivers/rtc/interface.c
> @@ -564,7 +564,7 @@ enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer)
>  void rtc_update_irq(struct rtc_device *rtc,
>  		unsigned long num, unsigned long events)
>  {
> -	if (unlikely(IS_ERR_OR_NULL(rtc)))
> +	if (IS_ERR_OR_NULL(rtc))
>  		return;
>  
>  	pm_stay_awake(rtc->dev.parent);
> diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
> index 3d44b11721ea..535a5f9338d0 100644
> --- a/drivers/rtc/rtc-bfin.c
> +++ b/drivers/rtc/rtc-bfin.c
> @@ -361,7 +361,7 @@ static int bfin_rtc_probe(struct platform_device *pdev)
>  	/* Register our RTC with the RTC framework */
>  	rtc->rtc_dev = devm_rtc_device_register(dev, pdev->name, &bfin_rtc_ops,
>  						THIS_MODULE);
> -	if (unlikely(IS_ERR(rtc->rtc_dev)))
> +	if (IS_ERR(rtc->rtc_dev))
>  		return PTR_ERR(rtc->rtc_dev);
>  
>  	/* Grab the IRQ and init the hardware */
> diff --git a/drivers/rtc/rtc-gemini.c b/drivers/rtc/rtc-gemini.c
> index 35f4486738fc..2fed93e1114a 100644
> --- a/drivers/rtc/rtc-gemini.c
> +++ b/drivers/rtc/rtc-gemini.c
> @@ -148,7 +148,7 @@ static int gemini_rtc_probe(struct platform_device *pdev)
>  
>  	rtc->rtc_dev = rtc_device_register(pdev->name, dev,
>  					   &gemini_rtc_ops, THIS_MODULE);
> -	if (likely(IS_ERR(rtc->rtc_dev)))
> +	if (IS_ERR(rtc->rtc_dev))
>  		return PTR_ERR(rtc->rtc_dev);
>  
>  	return 0;
> -- 
> 2.4.0
> 
> 

For the mach-gemini part
Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web