linux-kernel - [PATCH 1/1] iommu/arm-smmu-qcom: remove runtime pm enabling for TBU driver

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Message-ID: <1722335443-30080-1-git-send-email-quic_zhenhuah@quicinc.com>
Date: Tue, 30 Jul 2024 18:30:43 +0800
From: Zhenhua Huang <quic_zhenhuah@...cinc.com>
To: <robdclark@...il.com>, <will@...nel.org>, <robin.murphy@....com>,
        <joro@...tes.org>
CC: <iommu@...ts.linux.dev>, <linux-arm-msm@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <quic_c_gdjako@...cinc.com>, <dmitry.baryshkov@...aro.org>,
        Zhenhua Huang
	<quic_zhenhuah@...cinc.com>
Subject: [PATCH 1/1] iommu/arm-smmu-qcom: remove runtime pm enabling for TBU driver

TBU driver has no runtime pm support now, adding pm_runtime_enable()
seems to be useless. Remove it.

Signed-off-by: Zhenhua Huang <quic_zhenhuah@...cinc.com>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 36c6b36ad4ff..aff2fe1fda13 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -566,7 +566,6 @@ static struct acpi_platform_list qcom_acpi_platlist[] = {
 
 static int qcom_smmu_tbu_probe(struct platform_device *pdev)
 {
-	struct device *dev = &pdev->dev;
 	int ret;
 
 	if (IS_ENABLED(CONFIG_ARM_SMMU_QCOM_DEBUG)) {
@@ -575,11 +574,6 @@ static int qcom_smmu_tbu_probe(struct platform_device *pdev)
 			return ret;
 	}
 
-	if (dev->pm_domain) {
-		pm_runtime_set_active(dev);
-		pm_runtime_enable(dev);
-	}
-
 	return 0;
 }
 
-- 
2.7.4