From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH v4 1/4] ARM: OMAP1: ams-delta: Provide GPIO lookup table for NAND data port Date: Fri, 23 Nov 2018 09:02:35 -0800 Message-ID: <20181123170235.GG53235@atomide.com> References: <20180813223448.21316-1-jmkrzyszt@gmail.com> <20181121110806.32076-1-jmkrzyszt@gmail.com> <20181121110806.32076-2-jmkrzyszt@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20181121110806.32076-2-jmkrzyszt@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Janusz Krzysztofik Cc: Boris Brezillon , Miquel Raynal , Aaro Koskinen , Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Linus Walleij , linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-omap@vger.kernel.org * Janusz Krzysztofik [181121 11:06]: > Data port used by Amstrad Delta NAND driver is actually an OMAP MPUIO > device, already under control of gpio-omap driver. The NAND driver > gets access to the port by ioremapping it and performs read/write > operations. That is done without any proteciton from other users > legally manipulating the port pins over GPIO API. > > The plan is to convert the driver to access the port over GPIO consumer > API. Before that is implemented, the driver can already obtain > exclusive access to the port by requesting an array of its GPIO > descriptors. > > Add respective entries to the NAND GPIO lookup table. > > Signed-off-by: Janusz Krzysztofik > Reviewed-by: Boris Brezillon > Reviewed-by: Linus Walleij Best to merge this along with the MFD patches: Acked-by: Tony Lindgren