iommu/rockchip: Silence attaching and detaching of devices

Currently the driver emits a log line every time a device
attaches or detaches - which happens at every unblank/blank
of the drm for example.  The message itself also has no real
value to the average user and is merely useful when
debugging a problem, so make it a dev_dbg instead.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Heiko Stuebner 2015-05-21 09:57:29 +02:00 • committed by Joerg Roedel
commit ec4292defd