From: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Cc: "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Linus Walleij
<linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH 20/23 v2] ARM: u300: add SPI PL022 to the device tree
Date: Thu, 2 May 2013 18:21:30 +0200 [thread overview]
Message-ID: <CACRpkdbO1H4tpRG5rABVZDDOP0uHFs2Fc4+66TD9kyZauUrkLg@mail.gmail.com> (raw)
In-Reply-To: <201305021726.49729.arnd-r2nGTMty4D4@public.gmane.org>
On Thu, May 2, 2013 at 5:26 PM, Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org> wrote:
> On Thursday 02 May 2013, Linus Walleij wrote:
>> From: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>>
>> This registers the PL022 PrimeCell from the U300 device
>> tree. We make a new copy of the platform data for the
>> device tree boot path, as the old platform data is in an
>> older file which will be going away.
>>
>> Signed-off-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>
> Why do you need both the platform data and the DT description?
This is because the device-tree DMA support for PL022 has
not yet been merged upstream, so it still has to come from
platform data instead.
If/when there is a branch in ARM SoC that has that patch in place
(and I remember reviewing and ACKing it) I can rebase on that
and drop the platform data.
The same goes for PL011 and MMCI platform data actually...
Yours,
Linus Walleij
prev parent reply other threads:[~2013-05-02 16:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-02 9:12 [PATCH 20/23 v2] ARM: u300: add SPI PL022 to the device tree Linus Walleij
[not found] ` <1367485952-6212-1-git-send-email-linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org>
2013-05-02 15:26 ` Arnd Bergmann
[not found] ` <201305021726.49729.arnd-r2nGTMty4D4@public.gmane.org>
2013-05-02 16:21 ` Linus Walleij [this message]
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