> -----Original Message----- > From: Rob Herring [mailto:robh@xxxxxxxxxx] > Sent: 2016年5月10日 4:13 > To: Yang, Wenyou <Wenyou.Yang@xxxxxxxxx> > Cc: Brian Norris <computersforpeace@xxxxxxxxx>; David Woodhouse > <dwmw2@xxxxxxxxxxxxx>; Pawel Moll <pawel.moll@xxxxxxx>; Mark Brown > <broonie@xxxxxxxxxx>; Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>; Kumar > Gala <galak@xxxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; linux- > mtd@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; Ferre, Nicolas > <Nicolas.FERRE@xxxxxxxxx>; Alexandre Belloni <alexandre.belloni@free- > electrons.com>; Jean-Christophe Plagniol-Villard <plagnioj@xxxxxxxxxxxx>; > Russell King <linux@xxxxxxxxxxxxxxxx>; Josh Wu <rainyfeeling@xxxxxxxxxxx>; > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH 0/2] mtd: atmel_nand: remove compatible "atmel,sama5d4- > nfc" > > On Mon, May 09, 2016 at 02:51:17PM +0800, Wenyou Yang wrote: > > It is a datasheet bug, for current SoCs, the RB_EDGE3(i.e. bit 27) of > > HSMC_SR register does not exist, the RB_EDGE0 (i.e. bit 24) is the > > ready/busy line edge status bit. So the compatible "atmel,sama5d4-nfc" > > is unneeded. > > The compatible is needed if the SOC still exists. You can list both for the sama5d4 > if the block is the same. The NFC IP of SAMA5D4 is same as SAMA5D2's, SAMA5D4 hase this issue. This compatible can be removed. Best Regards, Wenyou Yang ?韬{.n?????%??檩??w?{.n????z谵{???塄}?财??j:+v?? ? ???2??璀??摺?囤??z夸z罐?+?????w棹f
