linux-kernel - Re: [PATCH] pcmcia: at91_cf: switch to using gpiod API

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Date:   Sun, 25 Sep 2022 21:06:08 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Dominik Brodowski" <linux@...inikbrodowski.net>,
        "Alexandre Belloni" <alexandre.belloni@...tlin.com>
Cc:     "Dmitry Torokhov" <dmitry.torokhov@...il.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        "Claudiu Beznea" <claudiu.beznea@...rochip.com>
Subject: Re: [PATCH] pcmcia: at91_cf: switch to using gpiod API

On Sat, Sep 24, 2022, at 4:17 PM, Dominik Brodowski wrote:
>
> From: Dominik Brodowski <linux@...inikbrodowski.net>
> Subject: [PATCH] pcmcia: remove AT91RM9200 Compact Flash driver
>
> As noted by Arnd Bergmann, "we used to have three drivers for the same
> hardware (pcmcia, pata and ide), and only the pcmcia driver remained
> in the tree after drivers/ide/ was removed and pata_at91 did not get
> converted to DT". "There is no dts file in tree that actually declares
> either of them, so chances are that nobody is actually using the CF
> slot on at91 any more."[1]
>
> On this rationale, remove the AT91RM9200 Compact Flash driver, which
> also assists in reaching "the goal of stopping exporting OF-specific
> APIs of gpiolib".[2]
>
> [1] 
> https://lore.kernel.org/lkml/68c63077-848b-45f5-8aca-ed995391f2b6@www.fastmail.com/
> [2] https://lore.kernel.org/lkml/Yy6d7TjqzUwGQnQa@penguin/
>
> Signed-off-by: Dominik Brodowski <linux@...inikbrodowski.net>

Acked-by: Arnd Bergmann <arnd@...db.de>

though we probably want to remove the binding at
Documentation/devicetree/bindings/ata/atmel-at91_cf.txt
as well.
 
      Arnd