linux-kernel - Re: [PATCH 2/2] gpio: ts4800: Fix module autoload

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Message-ID: <CACRpkdZcopStg7B8si97gLzCvE1y4_VYXFjOsbw=gt+hX6pdfQ@mail.gmail.com>
Date:   Fri, 21 Oct 2016 14:55:41 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Javier Martinez Canillas <javier@....samsung.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Alexandre Courbot <gnurou@...il.com>
Subject: Re: [PATCH 2/2] gpio: ts4800: Fix module autoload

On Tue, Oct 18, 2016 at 10:44 PM, Javier Martinez Canillas
<javier@....samsung.com> wrote:

> If the driver is built as a module, autoload won't work because the module
> alias information is not filled. So user-space can't match the registered
> device with the corresponding module.
>
> Export the module alias information using the MODULE_DEVICE_TABLE() macro.
>
> Before this patch:
>
> $ modinfo drivers/gpio/gpio-ts4800.ko | grep alias
> $
>
> After this patch:
>
> $ modinfo drivers/gpio/gpio-ts4800.ko | grep alias
> alias:          of:N*T*Ctechnologic,ts4800-gpioC*
> alias:          of:N*T*Ctechnologic,ts4800-gpio
>
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>

Patch applied for fixes.

Yours,
Linus Walleij