Re: [PATCH v4 1/4] ARM: OMAP1: ams-delta: Provide GPIO lookup table for NAND data port
From: Tony Lindgren
Date: Fri Nov 23 2018 - 12:02:42 EST
* Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx> [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@xxxxxxxxx>
> Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Best to merge this along with the MFD patches:
Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>