linux-kernel - Re: [PATCH] pinctrl: remove pxa pinctrl driver

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Message-ID: <CAD6h2NSnnET95sQKhDRcQ064nwJtzWnWXb0j2guQ57ys0+sX4Q@mail.gmail.com>
Date:	Thu, 14 Mar 2013 09:21:15 +0800
From:	Haojian Zhuang <haojian.zhuang@...aro.org>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-kernel@...r.kernel.org, Patch Tracking <patches@...aro.org>
Subject: Re: [PATCH] pinctrl: remove pxa pinctrl driver

On 14 March 2013 03:03, Linus Walleij <linus.walleij@...aro.org> wrote:
> On Wed, Mar 13, 2013 at 9:23 AM, Haojian Zhuang
> <haojian.zhuang@...aro.org> wrote:
>
>> pinctrl-pxa driver doesn't support well on DT mode. Now pinctrl-single
>> could support DT mode & pin configuration. Use pinctrl-single driver to
>> support MMP/PXA silicons instead.
>>
>> Signed-off-by: Haojian Zhuang <haojian.zhuang@...aro.org>
>
> Is the switch to pinctrl-single already done for these platforms,
> i.e. the device trees are updated to contain pinctrl-single data?
>
> And is ATAG code path removed, so noone needs the old driver?
>
> And is the defconfig or Kconfig for PXA/MMP altered to select
> the single driver instead?
>
> Else I cannot merge it...
>
> Yours,
> Linus Walleij

pinctrl-pxa driver is used for PXA/MMP silicons. But the old MFP driver
also exists and be using. PXA/MMP didn't really switch to pinctrl-pxa
driver. So it doesn't matter to remove pinctrl-pxa.

In the Kconfig, PXA/MMP already selected to pinctrl-single driver instead.

Regards
Haojian
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