From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: "linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <damm@opensource.se>
Subject: Re: [PATCH 03/54] gpio: em: Be sure to clamp return value
Date: Tue, 22 Dec 2015 15:54:23 +0100 [thread overview]
Message-ID: <CAMuHMdVULhfM1-zhPBRiA8K77nxRDq1MjuyhZPh7CcvF83Huhg@mail.gmail.com> (raw)
In-Reply-To: <1450793461-21934-1-git-send-email-linus.walleij@linaro.org>
On Tue, Dec 22, 2015 at 3:11 PM, Linus Walleij <linus.walleij@linaro.org> wrote:
> As we want gpio_chip .get() calls to be able to return negative
> error codes and propagate to drivers, we need to go over all
> drivers and make sure their return values are clamped to [0,1].
> We do this by using the ret = !!(val) design pattern.
>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Magnus Damm <damm@opensource.se>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
prev parent reply other threads:[~2015-12-22 14:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-22 14:11 [PATCH 03/54] gpio: em: Be sure to clamp return value Linus Walleij
2015-12-22 14:54 ` Geert Uytterhoeven [this message]
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