linux-kernel - Re: [PATCH v2] gpiolib: tighten up ACPI legacy gpio lookups

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CACRpkdbXaXzQ38sy9JJGEhx+ix3WzheAsKJqsXum2T9n00YEvA@mail.gmail.com>
Date:	Tue, 17 Nov 2015 14:43:14 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Alexandre Courbot <gnurou@...il.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Johan Hovold <johan@...nel.org>,
	"Tirdea, Irina" <irina.tirdea@...el.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] gpiolib: tighten up ACPI legacy gpio lookups

On Wed, Nov 11, 2015 at 8:45 PM, Dmitry Torokhov
<dmitry.torokhov@...il.com> wrote:

> We should not fall back to the legacy unnamed gpio lookup style if the
> driver requests gpios with different names, because we'll give out the same
> gpio twice. Let's keep track of the names that were used for the device and
> only do the fallback for the first name used.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> ---
>
> v1: incorporated changes suggested by Mika Westerberg in response to the
> draft patch I posted in Goodix thread.
>
> v2: moved acpi_can_fallback_to_crs body to drivers/gpio/gpiolib-acpi.c
> and provided stub for !CONFIG_ACPI case to fix build error if ACPI is
> disabled.

Patch applied with Mika's ACK.

Had to fuzz a bit to make it apply, hope nothing breaks.

Yours,
Linus Walleij
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/