From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Thu, 08 Oct 2015 17:43:11 +0200 Subject: [PATCH 1/4] dt-bindings: Document the STM32 DMA bindings In-Reply-To: <1444317612-818-2-git-send-email-cedric.madianga@gmail.com> References: <1444317612-818-1-git-send-email-cedric.madianga@gmail.com> <1444317612-818-2-git-send-email-cedric.madianga@gmail.com> Message-ID: <13614799.2Hi64P0fJ2@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thursday 08 October 2015 17:20:09 M'boumba Cedric Madianga wrote: > +Each dmas request consists of 5 cells: > +1. A phandle pointing to the STM32 DMA controller > +2. The channel id > +3. The request line number > +4. A 32bit mask specifying the DMA channel configuration > It's fairly unusual to encode the channel id here, rather than letting the driver pick one. Is that actually required here? Arnd