linux-kernel - Re: [PATCH v2 1/2] clk: Disable unused clocks after deferred probing is done

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Date:	Wed, 29 May 2013 00:51:26 -0700
From:	Mike Turquette <mturquette@...aro.org>
To:	Saravana Kannan <skannan@...eaurora.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-arm-msm@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] clk: Disable unused clocks after deferred probing is done

Quoting Saravana Kannan (2013-05-15 21:34:03)
> On 05/09/2013 11:35 AM, Saravana Kannan wrote:
> > With deferred probing, late_initcall() is too soon to declare a clock as
> > unused. Wait for deferred probing to finish before declaring a clock as
> > unused. Since deferred probing is done in late_initcall(), do the unused
> > check to late_initcall_sync.
> >
> > Signed-off-by: Saravana Kannan <skannan@...eaurora.org>
> > ---
> >   drivers/clk/clk.c |    2 +-
> >   1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> > index fe4055f..5ecb64c 100644
> > --- a/drivers/clk/clk.c
> > +++ b/drivers/clk/clk.c
> > @@ -534,7 +534,7 @@ static int clk_disable_unused(void)
> >
> >       return 0;
> >   }
> > -late_initcall(clk_disable_unused);
> > +late_initcall_sync(clk_disable_unused);
> >
> >   /***    helper functions   ***/
> 
> Mike,
> 
> Thoughts? Picking it up? Removing the existing auto-disable code (I 
> think they are still useful)?
> 

Hi Saravana,

I've taken this into clk-next for testing.

Regards,
Mike

> -Saravana
> 
> 
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
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