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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 31004c040578..37f6a594c1c8 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -785,7 +785,7 @@ static int rk_iommu_attach_device(struct iommu_domain *domain,
         list_add_tail(&iommu->node, &rk_domain->iommus);
         spin_unlock_irqrestore(&rk_domain->iommus_lock, flags);
 
-        dev_info(dev, "Attached to iommu domain\n");
+        dev_dbg(dev, "Attached to iommu domain\n");
 
         rk_iommu_disable_stall(iommu);
 
@@ -819,7 +819,7 @@ static void rk_iommu_detach_device(struct iommu_domain *domain,
 
         iommu->domain = NULL;
 
-        dev_info(dev, "Detached from iommu domain\n");
+        dev_dbg(dev, "Detached from iommu domain\n");
 }
 
 static struct iommu_domain *rk_iommu_domain_alloc(unsigned type)