From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Belloni Subject: Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Date: Fri, 17 Feb 2017 16:42:19 +0100 Message-ID: <20170217154219.d4z2gylzcrzntlt3@piout.net> References: <10fd28cb-269a-ec38-ecfb-b7c86be3e716@math.uni-bielefeld.de> <20170216184524.cxcy2ux37yrwutla@lukather> <2cecfc48-576f-3888-08aa-1fe2edc3c752@math.uni-bielefeld.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <2cecfc48-576f-3888-08aa-1fe2edc3c752@math.uni-bielefeld.de> Sender: owner-linux-mm@kvack.org To: Tobias Jakobi Cc: Maxime Ripard , Mark Rutland , thomas.petazzoni@free-electrons.com, devicetree@vger.kernel.org, Greg Kroah-Hartman , linux-kernel , ML dri-devel , linux-mm@kvack.org, wens@csie.org, Rob Herring , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org On 17/02/2017 at 13:45:44 +0100, Tobias Jakobi wrote: > > The device tree is a representation of the hardware itself. The state > > of the driver support doesn't change the hardware you're running on, > > just like your BIOS/UEFI on x86 won't change the device it reports to > > Linux based on whether it has a driver for it. > Like Emil already said, the new bindings and the DT entries are solely > introduced to support a proprietary out-of-tree module. > Because device tree describes the hardware, the added binding doesn't support any particular module. The eventually upstreamed drvier will share the same bindings. > The current workflow when introducing new DT entries is the following: > - upstream a driver that uses the entries > - THEN add the new entries > Exactly not, if you do that, checkpatch will complain loudly. Because you must not add a driver using bindings that are not documented first. -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org