[PATCH] mtd:nand:clk: preparation for switch to common clock framework

Mike Turquette mturquette at linaro.org
Fri Sep 7 19:22:41 EDT 2012


Quoting Karicheri, Muralidharan (2012-09-07 14:56:22)
> Mike,
> 
> How do these patch get to upstream? Does this get merged through davinci maintainer or through individual subsystem maintainers? 
> 

What does scripts/get_maintainer.pl tell you?

Also feel free to make my Acked-by into a Reviewed-by.  I always ge
those two confused.

Regards,
Mike

cant never remembr 

> Thanks.
> 
> Murali Karicheri
> Software Design Engineer
> 
> 
> >> -----Original Message-----
> >> From: Mike Turquette [mailto:mturquette at linaro.org]
> >> Sent: Friday, September 07, 2012 5:29 PM
> >> To: Karicheri, Muralidharan; dwmw2 at infradead.org; artem.bityutskiy at linux.intel.com;
> >> dbaryshkov at gmail.com; computersforpeace at gmail.com; linux-mtd at lists.infradead.org;
> >> linux-kernel at vger.kernel.org
> >> Cc: Karicheri, Muralidharan
> >> Subject: Re: [PATCH] mtd:nand:clk: preparation for switch to common clock framework
> >> 
> >> Quoting Murali Karicheri (2012-08-30 11:17:04)
> >> > As a first step towards migrating davinci platforms to use common clock
> >> > framework, replace all instances of clk_enable() with clk_prepare_enable()
> >> > and clk_disable() with clk_disable_unprepare(). Until the platform is
> >> > switched to use the CONFIG_HAVE_CLK_PREPARE Kconfig variable, this just
> >> > adds a might_sleep() call and would work without any issues.
> >> >
> >> > This will make it easy later to switch to common clk based implementation
> >> > of clk driver from DaVinci specific driver.
> >> >
> >> > Signed-off-by: Murali Karicheri <m-karicheri2 at ti.com>
> >> 
> >> Acked-by: Mike Turquette <mturquette at linaro.org>
> >> 
> >> > ---
> >> >  drivers/mtd/nand/davinci_nand.c |    6 +++---
> >> >  1 file changed, 3 insertions(+), 3 deletions(-)
> >> >
> >> > diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
> >> > index d94b03c..6b8cf27 100644
> >> > --- a/drivers/mtd/nand/davinci_nand.c
> >> > +++ b/drivers/mtd/nand/davinci_nand.c
> >> > @@ -656,7 +656,7 @@ static int __init nand_davinci_probe(struct platform_device
> >> *pdev)
> >> >                 goto err_clk;
> >> >         }
> >> >
> >> > -       ret = clk_enable(info->clk);
> >> > +       ret = clk_prepare_enable(info->clk);
> >> >         if (ret < 0) {
> >> >                 dev_dbg(&pdev->dev, "unable to enable AEMIF clock, err %d\n",
> >> >                         ret);
> >> > @@ -767,7 +767,7 @@ syndrome_done:
> >> >
> >> >  err_scan:
> >> >  err_timing:
> >> > -       clk_disable(info->clk);
> >> > +       clk_disable_unprepare(info->clk);
> >> >
> >> >  err_clk_enable:
> >> >         clk_put(info->clk);
> >> > @@ -804,7 +804,7 @@ static int __exit nand_davinci_remove(struct platform_device
> >> *pdev)
> >> >
> >> >         nand_release(&info->mtd);
> >> >
> >> > -       clk_disable(info->clk);
> >> > +       clk_disable_unprepare(info->clk);
> >> >         clk_put(info->clk);
> >> >
> >> >         kfree(info);
> >> > --
> >> > 1.7.9.5



More information about the linux-mtd mailing list