63  * @eb: gate clock which controls IOMMU access
73 	struct clk		*eb;  member
441 	struct clk *eb;  in sprd_iommu_clk_enable()  local
443 	eb = devm_clk_get_optional(sdev->dev, NULL);  in sprd_iommu_clk_enable()
444 	if (!eb)  in sprd_iommu_clk_enable()
447 	if (IS_ERR(eb))  in sprd_iommu_clk_enable()
448 		return PTR_ERR(eb);  in sprd_iommu_clk_enable()
450 	sdev->eb = eb;  in sprd_iommu_clk_enable()
451 	return clk_prepare_enable(eb);  in sprd_iommu_clk_enable()
456 	if (sdev->eb)  in sprd_iommu_clk_disable()
457 		clk_disable_unprepare(sdev->eb);  in sprd_iommu_clk_disable()