linux-kernel - Re: Subject: [PATCH v4 0/4] mtd: rawnand: ams-delta: Use GPIO API for data I/O

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Date:   Wed, 21 Nov 2018 15:56:39 +0100
From:   Boris Brezillon <boris.brezillon@...tlin.com>
To:     Janusz Krzysztofik <jmkrzyszt@...il.com>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Tony Lindgren <tony@...mide.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: Subject: [PATCH v4 0/4] mtd: rawnand: ams-delta: Use GPIO API
 for data I/O

On Wed, 21 Nov 2018 12:08:02 +0100
Janusz Krzysztofik <jmkrzyszt@...il.com> wrote:

> Finalize implementation of the idea suggested by Artem Bityutskiy and
> Tony Lindgren, described in commit b027274d2e3a ("mtd: ams-delta: fix
> request_mem_region() failure"). Use pure GPIO consumer API, as reqested
> by Boris Brezillon.
> 
> Janusz Krzysztofik (4):
>       ARM: OMAP1: ams-delta: Provide GPIO lookup table for NAND data port
>       mtd: rawnand: ams-delta: Request data port GPIO resource
>       mtd: rawnand: ams-delta: Use GPIO API for data I/O
>       ARM: OMAP1: ams-delta: Drop obsolete NAND resources
> 
>  arch/arm/mach-omap1/board-ams-delta.c |   22 ++----
>  drivers/mtd/nand/raw/ams-delta.c      |  120 +++++++++++++++++++---------------
>  2 files changed, 80 insertions(+), 62 deletions(-)
> 
> Performance on Amstrad Delta is now acceptable after recent extensions
> to GPIO API and rawnanad enhancements.
> 
> Series intented to be merged via mtd tree, should not conflict with
> other OMAP1 patches submitted for 4.21.

We'll prepare an immutable tag, just in case.