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mei: bus: prefix device names on bus with the bus name

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commit 7a2b9e6ec8 upstream.

Add parent device name to the name of devices on bus to avoid
device names collisions for same client UUID available
from different MEI heads. Namely this prevents sysfs collision under
/sys/bus/mei/device/

In the device part leave just UUID other parameters that are
required for device matching are not required here and are
just bloating the name.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191105150514.14010-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Usyskin
2019-11-05 17:05:13 +02:00
committed by Greg Kroah-Hartman
parent fc390c3e3e
commit 5cce603822
1 changed files with 5 additions and 4 deletions
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9
drivers/misc/mei/bus.c
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@@ -765,15 +765,16 @@ static struct device_type mei_cl_device_type = {
/**
* mei_cl_bus_set_name - set device name for me client device
* <controller>-<client device>
* Example: 0000:00:16.0-55213584-9a29-4916-badf-0fb7ed682aeb
*
* @cldev: me client device
*/
static inline void mei_cl_bus_set_name(struct mei_cl_device *cldev)
{
dev_set_name(&cldev->dev, "mei:%s:%pUl:%02X",
cldev->name,
mei_me_cl_uuid(cldev->me_cl),
mei_me_cl_ver(cldev->me_cl));
dev_set_name(&cldev->dev, "%s-%pUl",
dev_name(cldev->bus->dev),
mei_me_cl_uuid(cldev->me_cl));
}
/**