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>

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 31004c0..37f6a59 100644 (file)
--- 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)