drm: cope with platformdev->id == -1
authorRob Clark <rob@ti.com>
Tue, 6 Mar 2012 16:20:36 +0000 (10:20 -0600)
committerDave Airlie <airlied@redhat.com>
Wed, 7 Mar 2012 14:03:40 +0000 (14:03 +0000)
commitb19c19afa880105179b3c25e57b169c8fcda334c
tree7865567a22ff38c4cce39ade316f46b872e99291
parent966e0cdd504657333415f43de6a219197511ebff
drm: cope with platformdev->id == -1

If there are not multiple instances of a platform device, the id
should apparently be set to -1.  Which results in a odd looking
bus-id like "platform:foodrm:-1".  Probably we should just treat
this case as id 0.

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/drm_platform.c