From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Chen-Yu Tsai <wens@csie.org>
Cc: Daniel Vetter <daniel.vetter@intel.com>,
David Airlie <airlied@linux.ie>,
Thierry Reding <thierry.reding@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-sunxi <linux-sunxi@googlegroups.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Subject: Re: [PATCH 3/7] drm/sun4i: Add SAT and DRC drivers
Date: Mon, 5 Sep 2016 22:27:09 +0200 [thread overview]
Message-ID: <20160905202709.GE8596@lukather> (raw)
In-Reply-To: <CAGb2v65aSJRBxYX8hweYqezQyfTz_AiqqkGv6c=+8QEL3S+uSw@mail.gmail.com>
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Hi,
On Fri, Sep 02, 2016 at 02:45:06PM +0800, Chen-Yu Tsai wrote:
> > +
> > +DRC
> > +---
> > +
> > +The DRC, found in the latest Allwinner SoCs (A31, A23, A33), allows to
> > +do some backlight control to enhance the power consumption.
> > +
> > +Required properties:
> > + - compatible: value must be one of:
> > + * allwinner,sun8i-a33-drc
>
> Since this was first introduced in the A31, maybe using that
> for the compatible is better?
>
> Or do you want one for each SoC, given these are unknown black
> boxes?
Yeah, I'd prefer to be on the safe side here :/
> > + drc->mod_clk = devm_clk_get(dev, "mod");
> > + if (IS_ERR(drc->mod_clk)) {
> > + dev_err(dev, "Couldn't get our mod clock\n");
> > + ret = PTR_ERR(drc->mod_clk);
> > + goto err_disable_bus_clk;
> > + }
> > +
> > + return clk_prepare_enable(drc->mod_clk);
>
> What happens if this fails? No cleanup happens.
Indeed, will fix.
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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next prev parent reply other threads:[~2016-09-05 20:27 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-01 15:31 [PATCH 0/7] drm/sun4i: Introduce A33 display driver Maxime Ripard
2016-09-01 15:31 ` [PATCH 1/7] drm/sun4i: support TCONs without channel 1 Maxime Ripard
2016-09-02 1:47 ` Chen-Yu Tsai
2016-09-01 15:31 ` [PATCH 2/7] drm/sun4i: support A33 tcon Maxime Ripard
2016-09-02 6:02 ` Chen-Yu Tsai
2016-09-05 20:22 ` Maxime Ripard
2016-09-01 15:32 ` [PATCH 3/7] drm/sun4i: Add SAT and DRC drivers Maxime Ripard
2016-09-02 6:45 ` Chen-Yu Tsai
2016-09-05 20:27 ` Maxime Ripard [this message]
2016-09-04 20:03 ` [linux-sunxi] " Peter Korsgaard
2016-09-06 13:59 ` Maxime Ripard
2016-09-01 15:32 ` [PATCH 4/7] drm/panel: Add Sinlinx SinA33 7" panel Maxime Ripard
2016-09-02 7:01 ` Chen-Yu Tsai
[not found] ` <66681473008583@web28j.yandex.ru>
2016-09-05 20:02 ` Maxime Ripard
2016-09-06 2:53 ` Chen-Yu Tsai
2016-09-06 9:12 ` Thierry Reding
2016-09-06 14:33 ` Maxime Ripard
2016-09-01 15:32 ` [PATCH 5/7] ARM: sun8i: a33: Add display pipeline Maxime Ripard
2016-09-02 6:28 ` Chen-Yu Tsai
2016-09-05 20:21 ` Maxime Ripard
2016-09-06 2:51 ` Chen-Yu Tsai
2016-09-01 15:32 ` [PATCH 6/7] ARM: sun8i: a33: Add RGB666 pins Maxime Ripard
2016-09-02 1:44 ` [linux-sunxi] " Chen-Yu Tsai
2016-09-01 15:32 ` [PATCH 7/7] ARM: sun8i: sina33: Enable display Maxime Ripard
[not found] ` <18951472779805@web6g.yandex.ru>
2016-09-02 19:06 ` [PATCH 0/7] drm/sun4i: Introduce A33 display driver Maxime Ripard
2016-09-03 1:43 ` Chen-Yu Tsai
2016-09-05 20:37 ` Maxime Ripard
2016-09-06 2:50 ` Chen-Yu Tsai
2016-09-06 18:54 ` Maxime Ripard
2016-09-07 4:49 ` Chen-Yu Tsai
2016-09-12 9:56 ` Maxime Ripard
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