linux-kernel - Re: [PATCH v2 1/5] clk: remove duplicated code with __clk_set_parent

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Message-ID: <20150722140809.GC13623@shlinux1.ap.freescale.net>
Date:	Wed, 22 Jul 2015 22:08:10 +0800
From:	Dong Aisheng <b29396@...escale.com>
To:	<mturquette@...libre.com>
CC:	Dong Aisheng <aisheng.dong@...escale.com>,
	<linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<sboyd@...eaurora.org>, <shawn.guo@...aro.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<Ranjani.Vaidyanathan@...escale.com>, <b20596@...escale.com>,
	<r64343@...escale.com>, <b20788@...escale.com>
Subject: Re: [PATCH v2 1/5] clk: remove duplicated code with
 __clk_set_parent_after

Ping...

On Wed, Jul 15, 2015 at 08:29:56PM +0800, Dong Aisheng wrote:
> On Wed, Jul 15, 2015 at 08:25:24PM +0800, Dong Aisheng wrote:
> > Hi Mike,
> > 
> > On Wed, May 27, 2015 at 09:09:19PM -0700, Michael Turquette wrote:
> > > Quoting Dong Aisheng (2015-05-14 06:28:59)
> > > > __clk_set_parent_after() actually used the second argument then we
> > > > could put this duplicate logic in there and call it with a different
> > > > order of arguments in the success vs. error paths in this function.
> > > > 
> > > > Cc: Mike Turquette <mturquette@...aro.org>
> > > > Cc: Stephen Boyd <sboyd@...eaurora.org>
> > > > Suggested-by: Stephen Boyd <sboyd@...eaurora.org>
> > > > Signed-off-by: Dong Aisheng <aisheng.dong@...escale.com>
> > > 
> > > Patch looks good to me.
> > > 
> > > Also just noticed that the second argument to __clk_set_parent_after is
> > > never used :-(
> > > 
> > 
> > Ping...
> > 
> > I did not see this patch series in your tree for v4.2 rc.
> > Is this got missed?
> > 
> 
> Updated Mike's email address.
> 
> Regards
> Dong Aisheng
> 
> > Regards
> > Dong Aisheng
> > 
> > > Regards,
> > > Mike
> > > 
> > > > ---
> > > >  drivers/clk/clk.c | 8 +-------
> > > >  1 file changed, 1 insertion(+), 7 deletions(-)
> > > > 
> > > > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> > > > index 659f2b0..0e813ea 100644
> > > > --- a/drivers/clk/clk.c
> > > > +++ b/drivers/clk/clk.c
> > > > @@ -1159,14 +1159,8 @@ static int __clk_set_parent(struct clk_core *core, struct clk_core *parent,
> > > >                 flags = clk_enable_lock();
> > > >                 clk_reparent(core, old_parent);
> > > >                 clk_enable_unlock(flags);
> > > > +               __clk_set_parent_after(core, old_parent, parent);
> > > >  
> > > > -               if (core->prepare_count) {
> > > > -                       flags = clk_enable_lock();
> > > > -                       clk_core_disable(core);
> > > > -                       clk_core_disable(parent);
> > > > -                       clk_enable_unlock(flags);
> > > > -                       clk_core_unprepare(parent);
> > > > -               }
> > > >                 return ret;
> > > >         }
> > > >  
> > > > -- 
> > > > 1.9.1
> > > > 
--
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