linux-kernel - [PATCH] iommu: Lower severity of add/remove device messages

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Message-Id: <20200323214956.30165-1-ezequiel@collabora.com>
Date:   Mon, 23 Mar 2020 18:49:56 -0300
From:   Ezequiel Garcia <ezequiel@...labora.com>
To:     iommu@...ts.linux-foundation.org
Cc:     Joerg Roedel <joro@...tes.org>, kernel@...labora.com,
        linux-kernel@...r.kernel.org,
        Ezequiel Garcia <ezequiel@...labora.com>
Subject: [PATCH] iommu: Lower severity of add/remove device messages

These user messages are not really informational,
but mostly of debug nature. Lower their severity.

Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>
---
 drivers/iommu/iommu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 3e3528436e0b..1ebd17033714 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -758,7 +758,7 @@ int iommu_group_add_device(struct iommu_group *group, struct device *dev)
 
 	trace_add_device_to_group(group->id, dev);
 
-	dev_info(dev, "Adding to iommu group %d\n", group->id);
+	dev_dbg(dev, "Adding to iommu group %d\n", group->id);
 
 	return 0;
 
@@ -792,7 +792,7 @@ void iommu_group_remove_device(struct device *dev)
 	struct iommu_group *group = dev->iommu_group;
 	struct group_device *tmp_device, *device = NULL;
 
-	dev_info(dev, "Removing from iommu group %d\n", group->id);
+	dev_dbg(dev, "Removing from iommu group %d\n", group->id);
 
 	/* Pre-notify listeners that a device is being removed. */
 	blocking_notifier_call_chain(&group->notifier,
@@ -2337,8 +2337,8 @@ request_default_domain_for_dev(struct device *dev, unsigned long type)
 
 	iommu_group_create_direct_mappings(group, dev);
 
-	dev_info(dev, "Using iommu %s mapping\n",
-		 type == IOMMU_DOMAIN_DMA ? "dma" : "direct");
+	dev_dbg(dev, "Using iommu %s mapping\n",
+		type == IOMMU_DOMAIN_DMA ? "dma" : "direct");
 
 	ret = 0;
 out:
-- 
2.26.0.rc2