From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pd0-x234.google.com ([2607:f8b0:400e:c02::234]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YvBex-0001m2-G0 for linux-mtd@lists.infradead.org; Wed, 20 May 2015 21:36:15 +0000 Received: by pdbqa5 with SMTP id qa5so82990510pdb.0 for ; Wed, 20 May 2015 14:35:54 -0700 (PDT) Date: Wed, 20 May 2015 14:35:46 -0700 From: Brian Norris To: =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= Subject: Re: [PATCH] Documentation: dt: mtd: replace "nor-jedec" binding with "jedec,spi-nor" Message-ID: <20150520213546.GN11598@ld-irv-0074> References: <1431624773-4165-1-git-send-email-computersforpeace@gmail.com> <20150515195541.GL11598@ld-irv-0074> <20150518104501.GD3551@leverpostej> <20150518183442.GR11598@ld-irv-0074> <20150519013415.GV11598@ld-irv-0074> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Cc: Mark Rutland , "devicetree@vger.kernel.org" , Marek Vasut , Pawel Moll , Ian Campbell , Stephen Warren , "linux-kernel@vger.kernel.org" , linux-spi , Rob Herring , Geert Uytterhoeven , Kumar Gala , "linux-mtd@lists.infradead.org" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, May 19, 2015 at 09:27:50AM +0200, Rafał Miłecki wrote: > On 19 May 2015 at 03:34, Brian Norris wrote: > > So how about the following patch? It seems like we'll need to be able to > > ignore useless 'modalias' values in cases like this: > > > > // modalias = "shinynewdevice" > > compatible = "myvendor,shinynewdevice", "jedec,spi-nor"; > > > > and also if somebody leaves off the entire shinynewdevice string: > > > > // modalias = "spi-nor" > > compatible = "jedec,spi-nor"; > > > > So we rework the spi-nor library to not reject "bad" names, and just > > fall back to autodetection, and we add the .of_match_table to properly > > catch all "jedec,spi-nor". > > That's nice but what about platforms using platform data instead of > DT? I would like to use some kind of "spi-nor" (with some prefix > *maybe*) for them too. For platform devices, you might as well just use the name of the driver, which is 'm25p80'. Isn't that how most platform devices are matched with drivers? Or if you can propose other clean solutions, I'm all ears. I'm likely to merge this patch for 4.2 unless a better solution comes up, though. Brian