linux-kernel - Re: [PATCH 1/1] drm/sti: use new Reset API

Open Source and information security mailing list archives

Date:	Fri, 22 Jul 2016 17:14:19 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Sean Paul <seanpaul@...omium.org>
Cc:	Linux ARM Kernel <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	kernel@...inux.com, patrice.chotard@...com,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	vincent.abriou@...com
Subject: Re: [PATCH 1/1] drm/sti: use new Reset API

On Fri, 22 Jul 2016, Sean Paul wrote:

> On Fri, Jul 22, 2016 at 3:22 AM, Lee Jones <lee.jones@...aro.org> wrote:
> > Since 0b52297f228 ("reset: Add support for shared reset controls") the
> > new Reset API now demands consumers choose either an *_exclusive or
> > a *_shared line when requesting reset lines.
> >
> > Signed-off-by: Lee Jones <lee.jones@...aro.org>
> > ---
> >  drivers/gpu/drm/sti/sti_compositor.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/sti/sti_compositor.c b/drivers/gpu/drm/sti/sti_compositor.c
> > index 3d2fa3a..c2ace02 100644
> > --- a/drivers/gpu/drm/sti/sti_compositor.c
> > +++ b/drivers/gpu/drm/sti/sti_compositor.c
> > @@ -234,12 +234,12 @@ static int sti_compositor_probe(struct platform_device *pdev)
> >         }
> >
> >         /* Get reset resources */
> > -       compo->rst_main = devm_reset_control_get(dev, "compo-main");
> > +       compo->rst_main = devm_reset_control_get_shared(dev, "compo-main");
> 
> Seems like this patch also changes the behavior from being exclusively
> managed to shared. Is this intentional? If so, it's probably worth
> changing you commit message to be a little less innocuous.

Interesting turn of phrase.  You would like the commit message to be
more "harmful or offensive".  I'm sure I can rustle something up to
suit!

... or I could just mention why I'm changing the behaviour? ;)

v2 to follow.

> >         /* Take compo main out of reset */
> >         if (!IS_ERR(compo->rst_main))
> >                 reset_control_deassert(compo->rst_main);
> >
> > -       compo->rst_aux = devm_reset_control_get(dev, "compo-aux");
> > +       compo->rst_aux = devm_reset_control_get_shared(dev, "compo-aux");
> >         /* Take compo aux out of reset */
> >         if (!IS_ERR(compo->rst_aux))
> >                 reset_control_deassert(compo->rst_aux);
> >
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@...ts.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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