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Date: Fri, 15 May 2015 11:21:05 +0200
From: Thierry Reding <treding@nvidia.com>
To: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
CC: Olof Johansson <olof@lixom.net>, David Airlie <airlied@linux.ie>,
        "Ajay Kumar" <ajaykumar.rs@samsung.com>,
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        <dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH 1/1] drm/bridge: ptn3460: Fix I2C ID table to match the
 reported modalias
Message-ID: <20150515092103.GF4984@ulmo.nvidia.com>
References: <1431613889-32737-1-git-send-email-javier.martinez@collabora.co.uk>
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On Thu, May 14, 2015 at 04:31:29PM +0200, Javier Martinez Canillas wrote:
> I2C drivers that support OF, have both an I2C and OF device ID tables
> that are used to fill the supported module aliases. But currently the
> I2C core only uses the OF table to match a device with a driver and
> the aliases information are always reported in the form i2c:<name>.
>=20
> The client->name is used as the name postfix and when booting with OF
> this is obtained with of_modalias_node() which drops the compatible
> string vendor prefix.
>=20
> So for I2C drivers, the I2C and OF device ID tables should be keep in
> sync in order to make module auto-loading to work but the I2C device
> entries shouldn't have the vendor prefix since that is not reported.
>=20
> Before this patch:
>=20
> MODALIAS=3Di2c:ptn3460
>=20
> $ modinfo | grep alias
> alias:          i2c:nxp,ptn3460
> alias:          of:N*T*Cnxp,ptn3460*
>=20
> After this patch:
>=20
> MODALIAS=3Di2c:ptn3460
>=20
> $ modinfo | grep alias
> alias:          i2c:ptn3460
> alias:          of:N*T*Cnxp,ptn3460*
>=20
> Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
> ---
>  drivers/gpu/drm/bridge/ptn3460.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

Thierry

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