linux-kernel - Re: [PATCHv5 7/8] ARM: tegra: Add board data and 2D clocks

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Date:	Wed, 16 Jan 2013 10:10:09 +0200
From:	Terje Bergström <tbergstrom@...dia.com>
To:	Stephen Warren <swarren@...dotorg.org>
CC:	Arto Merilainen <amerilainen@...dia.com>,
	"airlied@...ux.ie" <airlied@...ux.ie>,
	"thierry.reding@...onic-design.de" <thierry.reding@...onic-design.de>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv5 7/8] ARM: tegra: Add board data and 2D clocks

On 15.01.2013 20:44, Stephen Warren wrote:
> On 01/15/2013 04:26 AM, Terje Bergstrom wrote:
>> Add a driver alias gr2d for Tegra 2D device, and assign a duplicate
>> of 2D clock to that driver alias.
> 
> FYI on this one patch - it won't be applied to the Tegra tree until
> after Prashant's common clock framework changes are applied. As such, it
> will need some rework once those patches are applied, or perhaps won't
> even be relevant any more; see below.

It looks like I need to just drop the patch 7(8 "ARM: tegra: Add board
data and 2D clocks" and change the 2D code to access the clock without a
name. Do you agree?

I'll roll this into the next patch version once I've gathered more comments.

diff --git a/drivers/gpu/host1x/drm/gr2d.c b/drivers/gpu/host1x/drm/gr2d.c
index dc7d6c6..a1c5f5c 100644
--- a/drivers/gpu/host1x/drm/gr2d.c
+++ b/drivers/gpu/host1x/drm/gr2d.c
@@ -259,7 +259,7 @@ static int gr2d_probe(struct platform_device *dev)
        if (!gr2d)
                return -ENOMEM;

-       gr2d->clk = devm_clk_get(&dev->dev, "gr2d");
+       gr2d->clk = devm_clk_get(&dev->dev, NULL);
        if (IS_ERR(gr2d->clk)) {
                dev_err(&dev->dev, "cannot get clock\n");
                return PTR_ERR(gr2d->clk);

Terje
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