linux-kernel - Re: [PATCH v3] pwm: vt8500: Update vt8500 PWM driver support

Open Source and information security mailing list archives

Date:	Thu, 25 Oct 2012 06:35:46 +1300
From:	Tony Prisk <linux@...sktech.co.nz>
To:	Thierry Reding <thierry.reding@...onic-design.de>
Cc:	arm@...nel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3] pwm: vt8500: Update vt8500 PWM driver support

On Wed, 2012-10-24 at 07:41 +0200, Thierry Reding wrote:
> On Wed, Oct 24, 2012 at 04:46:58PM +1300, Tony Prisk wrote:
> > This patch updates pwm-vt8500.c to support devicetree probing and
> > make use of the common clock subsystem.
> > 
> > A binding document describing the PWM controller found on
> > arch-vt8500 is also included.
> > 
> > Signed-off-by: Tony Prisk <linux@...sktech.co.nz>
> > ---
> > v2/v3:
> > Fix errors/coding style as pointed out by Thierry Reding.
> > 
> >  .../devicetree/bindings/pwm/vt8500-pwm.txt         |   17 ++++
> >  drivers/pwm/pwm-vt8500.c                           |   86 ++++++++++++++------
> >  2 files changed, 80 insertions(+), 23 deletions(-)
> >  create mode 100644 Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
> 
> Looking real good now. One last comment though and I think I'm ready to
> take this...
> 
> > +	err = clk_enable(vt8500->clk);
> > +	if (err < 0)
> > +		dev_err(chip->dev, "failed to enable clock\n");
> > +		return -EBUSY;
> > +	};
> 
> Why do you return EBUSY instead of err?

Because I didn't notice this when I 'fixed' it - I changed the other one
to return err/ret, missed this one. Will fix.
> 
> Thierry
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel


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