From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Walleij Subject: Re: [PATCH 20/23 v2] ARM: u300: add SPI PL022 to the device tree Date: Thu, 2 May 2013 18:21:30 +0200 Message-ID: References: <1367485952-6212-1-git-send-email-linus.walleij@stericsson.com> <201305021726.49729.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201305021726.49729.arnd-r2nGTMty4D4@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Arnd Bergmann Cc: "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org" , Mark Brown , Linus Walleij , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" List-Id: devicetree@vger.kernel.org On Thu, May 2, 2013 at 5:26 PM, Arnd Bergmann wrote: > On Thursday 02 May 2013, Linus Walleij wrote: >> From: Linus Walleij >> >> 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 > > 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