linux-kernel - [PATCH v3 2/3] iommu/arm-smmu-qcom-debug: Do not print for handled faults

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Date: Mon,  1 Jul 2024 09:20:11 -0700
From: Rob Clark <robdclark@...il.com>
To: iommu@...ts.linux.dev
Cc: linux-arm-msm@...r.kernel.org,
	Stephen Boyd <swboyd@...omium.org>,
	Robin Murphy <robin.murphy@....com>,
	Pranjal Shrivastava <praan@...gle.com>,
	Rob Clark <robdclark@...omium.org>,
	Rob Clark <robdclark@...il.com>,
	Will Deacon <will@...nel.org>,
	Joerg Roedel <joro@...tes.org>,
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM SMMU DRIVERS),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v3 2/3] iommu/arm-smmu-qcom-debug: Do not print for handled faults

From: Rob Clark <robdclark@...omium.org>

Handled faults can be "normal", don't spam dmesg about them.

Signed-off-by: Rob Clark <robdclark@...omium.org>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c
index e4ee78fb6a66..681fbdfc325d 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c
@@ -419,10 +419,6 @@ irqreturn_t qcom_smmu_context_fault(int irq, void *dev)
 	tmp = report_iommu_fault(&smmu_domain->domain, NULL, iova,
 				 fsynr & ARM_SMMU_CB_FSYNR0_WNR ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ);
 	if (!tmp || tmp == -EBUSY) {
-		dev_dbg(smmu->dev,
-			"Context fault handled by client: iova=0x%08lx, fsr=0x%x, fsynr=0x%x, cb=%d\n",
-			iova, fsr, fsynr, idx);
-		dev_dbg(smmu->dev, "soft iova-to-phys=%pa\n", &phys_soft);
 		ret = IRQ_HANDLED;
 		resume = ARM_SMMU_RESUME_TERMINATE;
 	} else {
-- 
2.45.2