linux-kernel - Re: [PATCH v4 1/4] ARM: OMAP1: ams-delta: Provide GPIO lookup table for NAND data port

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Date:   Fri, 23 Nov 2018 09:02:35 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Janusz Krzysztofik <jmkrzyszt@...il.com>
Cc:     Boris Brezillon <boris.brezillon@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-mtd@...ts.infradead.org, linux-omap@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/4] ARM: OMAP1: ams-delta: Provide GPIO lookup table
 for NAND data port

* Janusz Krzysztofik <jmkrzyszt@...il.com> [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 <jmkrzyszt@...il.com>
> Reviewed-by: Boris Brezillon <boris.brezillon@...tlin.com>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Best to merge this along with the MFD patches:

Acked-by: Tony Lindgren <tony@...mide.com>