1 files changed, 0 insertions, 82 deletions
diff --git a/drivers/iommu/arm-smmu-qcom.c b/drivers/iommu/arm-smmu-qcom.c
deleted file mode 100644
index cf01d0215a39..000000000000
--- a/drivers/iommu/arm-smmu-qcom.c
+++ /dev/null
@@ -1,82 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2019, The Linux Foundation. All rights reserved.
- */
-
-#include <linux/of_device.h>
-#include <linux/qcom_scm.h>
-
-#include "arm-smmu.h"
-
-struct qcom_smmu {
-	struct arm_smmu_device smmu;
-};
-
-static const struct of_device_id qcom_smmu_client_of_match[] = {
-	{ .compatible = "qcom,adreno" },
-	{ .compatible = "qcom,mdp4" },
-	{ .compatible = "qcom,mdss" },
-	{ .compatible = "qcom,sc7180-mdss" },
-	{ .compatible = "qcom,sc7180-mss-pil" },
-	{ .compatible = "qcom,sdm845-mdss" },
-	{ .compatible = "qcom,sdm845-mss-pil" },
-	{ }
-};
-
-static int qcom_smmu_def_domain_type(struct device *dev)
-{
-	const struct of_device_id *match =
-		of_match_device(qcom_smmu_client_of_match, dev);
-
-	return match ? IOMMU_DOMAIN_IDENTITY : 0;
-}
-
-static int qcom_sdm845_smmu500_reset(struct arm_smmu_device *smmu)
-{
-	int ret;
-
-	/*
-	 * To address performance degradation in non-real time clients,
-	 * such as USB and UFS, turn off wait-for-safe on sdm845 based boards,
-	 * such as MTP and db845, whose firmwares implement secure monitor
-	 * call handlers to turn on/off the wait-for-safe logic.
-	 */
-	ret = qcom_scm_qsmmu500_wait_safe_toggle(0);
-	if (ret)
-		dev_warn(smmu->dev, "Failed to turn off SAFE logic\n");
-
-	return ret;
-}
-
-static int qcom_smmu500_reset(struct arm_smmu_device *smmu)
-{
-	const struct device_node *np = smmu->dev->of_node;
-
-	arm_mmu500_reset(smmu);
-
-	if (of_device_is_compatible(np, "qcom,sdm845-smmu-500"))
-		return qcom_sdm845_smmu500_reset(smmu);
-
-	return 0;
-}
-
-static const struct arm_smmu_impl qcom_smmu_impl = {
-	.def_domain_type = qcom_smmu_def_domain_type,
-	.reset = qcom_smmu500_reset,
-};
-
-struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)
-{
-	struct qcom_smmu *qsmmu;
-
-	qsmmu = devm_kzalloc(smmu->dev, sizeof(*qsmmu), GFP_KERNEL);
-	if (!qsmmu)
-		return ERR_PTR(-ENOMEM);
-
-	qsmmu->smmu = *smmu;
-
-	qsmmu->smmu.impl = &qcom_smmu_impl;
-	devm_kfree(smmu->dev, smmu);
-
-	return &qsmmu->smmu;
-}