linux-kernel - Re: [PATCH] gpio: of: fix Freescale SPI CS quirk handling

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Message-ID: <CACRpkdaVHPFgw9g8D=zrYECO5Syk1kMT3VgL+wq2ebKQxg_FGA@mail.gmail.com>
Date:   Sat, 17 Aug 2019 00:29:14 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Discussions about the Letux Kernel 
        <letux-kernel@...nphoenux.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        "H . Nikolaus Schaller" <hns@...delico.com>
Subject: Re: [PATCH] gpio: of: fix Freescale SPI CS quirk handling

On Fri, Aug 16, 2019 at 6:50 PM Andreas Kemnade <andreas@...nade.info> wrote:

> On the gta04 we see:
> spi_gpio: probe of spi_lcd failed with error -2
>
> The quirk introduced in
> commit e3023bf80639 ("gpio: of: Handle the Freescale SPI CS")
> can also be triggered by a temporary -EPROBE_DEFER and
> so "convert" it to a hard -ENOENT.
>
> Disable that conversion by checking for -EPROBE_DEFER.
>
> Fixes: e3023bf80639 ("gpio: of: Handle the Freescale SPI CS")
> Suggested-by: H. Nikolaus Schaller <hns@...delico.com>
> Signed-off-by: Andreas Kemnade <andreas@...nade.info>

Good catch! Patch applied for fixes.

Yours,
Linus Walleij