[PATCH] iommu/rockchip: silence attaching and detaching of devices

Heiko Stuebner heiko at sntech.de
Thu May 21 00:57:29 PDT 2015

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 at sntech.de>
 drivers/iommu/rockchip-iommu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 140a7bb..ebf0adb 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");
@@ -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)

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