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Code Issues Releases Wiki Activity

media: v4l2-common: v4l2_spi_subdev_init : generate unique name

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While v4l2_i2c_subdev_init does give a unique name to the subdev, matching
the one appearing in dmesg for messages generated by dev_info and friends
(e.g. imx185 30-0010), v4l2_spi_subdev_init does a poor job, copying only
the driver name, but not the dev_name(), yielding e.g. "imx185", but
missing the "spi1.1" part, and not generating a unique name.

Fix that.

Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Philippe De Muyter 2018-08-01 17:20:56 -04:00 committed by Mauro Carvalho Chehab
parent c4189ffb8c
commit 447d668553
1 changed files with 2 additions and 1 deletions
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3
drivers/media/v4l2-core/v4l2-common.c
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@ -255,7 +255,8 @@ void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
v4l2_set_subdevdata(sd, spi);
spi_set_drvdata(spi, sd);
/* initialize name */
strscpy(sd->name, spi->dev.driver->name, sizeof(sd->name));
snprintf(sd->name, sizeof(sd->name), "%s %s",
spi->dev.driver->name, dev_name(&spi->dev));
}
EXPORT_SYMBOL_GPL(v4l2_spi_subdev_init);