linux-kernel - Re: [PATCH v2] hwrng: meson: Fix module autoload for OF registration

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Message-ID: <20161025034006.GD18685@gondor.apana.org.au>
Date:   Tue, 25 Oct 2016 11:40:06 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Javier Martinez Canillas <javier@....samsung.com>
Cc:     linux-kernel@...r.kernel.org,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>,
        Carlo Caione <carlo@...one.org>,
        linux-amlogic@...ts.infradead.org, Matt Mackall <mpm@...enic.com>,
        linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH v2] hwrng: meson: Fix module autoload for OF registration

On Mon, Oct 17, 2016 at 04:51:17PM -0300, Javier Martinez Canillas 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/char/hw_random/meson-rng.ko | grep alias
> alias:          platform:meson-rng
> 
> After this patch:
> 
> $ modinfo drivers/char/hw_random/meson-rng.ko | grep alias
> alias:          platform:meson-rng
> alias:          of:N*T*Camlogic,meson-rngC*
> alias:          of:N*T*Camlogic,meson-rng
> 
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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