Revert "iommu: rockchip: Ignore device_link for vop"

This reverts commit 3460316.

Author: Da Xue

drivers/iommu/rockchip-iommu.c

@@ -110,7 +110,6 @@ struct rk_iommu {
 	struct clk_bulk_data *clocks;
 	int num_clocks;
 	bool reset_disabled;
-	bool dlr_disable; /* avoid access iommu when runtime ops called */
 	struct iommu_device iommu;
 	struct list_head node; /* entry in rk_iommu_domain.iommus */
 	struct iommu_domain *domain; /* domain to which iommu is attached */
@@ -1256,8 +1255,6 @@ static int rk_iommu_probe(struct platform_device *pdev)
 
 	iommu->reset_disabled = device_property_read_bool(dev,
 					"rockchip,disable-mmu-reset");
-	iommu->dlr_disable = device_property_read_bool(dev,
-					"rockchip,disable-device-link-resume");
 
 	iommu->num_clocks = ARRAY_SIZE(rk_iommu_clocks);
 	iommu->clocks = devm_kcalloc(iommu->dev, iommu->num_clocks,
@@ -1356,9 +1353,6 @@ static int __maybe_unused rk_iommu_suspend(struct device *dev)
 	if (iommu->domain == &rk_identity_domain)
 		return 0;
 
-	if (iommu->dlr_disable)
-		return 0;
-
 	rk_iommu_disable(iommu);
 	return 0;
 }
@@ -1370,9 +1364,6 @@ static int __maybe_unused rk_iommu_resume(struct device *dev)
 	if (iommu->domain == &rk_identity_domain)
 		return 0;
 
-	if (iommu->dlr_disable)
-		return 0;
-
 	return rk_iommu_enable(iommu);
 }