lkml.org 
[lkml]   [2013]   [Apr]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] rtc: rtc-s3c: use clk_prepare_enable and clk_disable_unprepare
Date
On Wednesday, April 10, 2013 6:50 PM, Sylwester Nawrocki wrote:
> On 04/09/2013 04:27 PM, Vivek Gautam wrote:
> > From: Thomas Abraham <thomas.abraham@linaro.org>
> >
> > Convert clk_enable/clk_disable to clk_prepare_enable/clk_disable_unprepare
> > calls as required by common clock framework.
> >
> > Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
> > Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
>
> Thanks Vivek.
>
> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

CC'ed Andrew Morton

It looks good.
Reviewed-by: Jingoo Han <jg1.han@samsung.com>

>
> > ---
> >
> > The v1 of this patch is pretty old, but the change needs to be merged to
> > avoid getting those needless WARN_ON() dumps on console.
> >
> > Changes from v1:
> > - Not using clk_disable_unprepare() at the end of s3c_rtc_probe(), since
> > this will unprepare the rtc clock which is again getting used in other
> > funtions later.
> > - Using clk_unprepare() at the remove() instead to fix things up.
> >
> > drivers/rtc/rtc-s3c.c | 5 +++--
> > 1 files changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
> > index fb994e9..e3528c9 100644
> > --- a/drivers/rtc/rtc-s3c.c
> > +++ b/drivers/rtc/rtc-s3c.c
> > @@ -430,6 +430,7 @@ static int s3c_rtc_remove(struct platform_device *dev)
> >
> > s3c_rtc_setaie(&dev->dev, 0);
> >
> > + clk_unprepare(rtc_clk);
> > rtc_clk = NULL;
> >
> > return 0;
> > @@ -498,7 +499,7 @@ static int s3c_rtc_probe(struct platform_device *pdev)
> > return ret;
> > }
> >
> > - clk_enable(rtc_clk);
> > + clk_prepare_enable(rtc_clk);
> >
> > /* check to see if everything is setup correctly */
> >
> > @@ -578,7 +579,7 @@ static int s3c_rtc_probe(struct platform_device *pdev)
> >
> > err_nortc:
> > s3c_rtc_enable(pdev, 0);
> > - clk_disable(rtc_clk);
> > + clk_disable_unprepare(rtc_clk);
> >
> > return ret;
> > }
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html



\
 
 \ /
  Last update: 2013-04-11 07:22    [W:0.062 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site