59  * v1.x - v3.x SYSMMU supports 32bit physical and 32bit virtual address spaces
62  * All SYSMMU controllers in the system support the address spaces of the same
63  * size, so PG_ENT_SHIFT can be initialized on first SYSMMU probe to proper
233  * on device add, contains a list of SYSMMU controllers defined by device tree,
245  * It contains list of SYSMMU controllers from all master devices, which has
259  * This structure hold all data of a single SYSMMU controller, this includes
265 	struct device *sysmmu;		/* SYSMMU controller device */  member
269 	struct clk *clk;		/* SYSMMU's clock */
270 	struct clk *aclk;		/* SYSMMU's aclk clock */
271 	struct clk *pclk;		/* SYSMMU's pclk clock */
384 	dev_dbg(data->sysmmu, "hardware version: %d.%d\n",  in __sysmmu_get_version()
396 	dev_err(data->sysmmu, "%s: %s FAULT occurred at %#x\n",  in show_fault_information()
398 	dev_dbg(data->sysmmu, "Page table base: %pa\n", &data->pgtable);  in show_fault_information()
400 	dev_dbg(data->sysmmu, "\tLv1 entry: %#x\n", *ent);  in show_fault_information()
403 		dev_dbg(data->sysmmu, "\t Lv2 entry: %#x\n", *ent);  in show_fault_information()
409 	/* SYSMMU is in blocked state when interrupt occurred. */  in exynos_sysmmu_irq()
509 	 * SYSMMU driver keeps master's clock enabled only for the short  in __sysmmu_enable()
601 	data->clk = devm_clk_get(dev, "sysmmu");  in exynos_sysmmu_probe()
630 	data->sysmmu = dev;  in exynos_sysmmu_probe()
634 				     dev_name(data->sysmmu));  in exynos_sysmmu_probe()
661 	 * use the first registered sysmmu device for performing  in exynos_sysmmu_probe()
682 			dev_dbg(data->sysmmu, "saving state\n");  in exynos_sysmmu_suspend()
700 			dev_dbg(data->sysmmu, "restoring state\n");  in exynos_sysmmu_resume()
715 	{ .compatible	= "samsung,exynos-sysmmu", },
722 		.name		= "exynos-sysmmu",
857 		pm_runtime_get_noresume(data->sysmmu);  in exynos_iommu_detach_device()
858 		if (pm_runtime_active(data->sysmmu))  in exynos_iommu_detach_device()
860 		pm_runtime_put(data->sysmmu);  in exynos_iommu_detach_device()
909 		pm_runtime_get_noresume(data->sysmmu);  in exynos_iommu_attach_device()
910 		if (pm_runtime_active(data->sysmmu))  in exynos_iommu_attach_device()
912 		pm_runtime_put(data->sysmmu);  in exynos_iommu_attach_device()
1258 		 * SYSMMU will be runtime activated via device link  in exynos_iommu_add_device()
1262 		data->link = device_link_add(dev, data->sysmmu,  in exynos_iommu_add_device()
1298 	struct platform_device *sysmmu = of_find_device_by_node(spec->np);  in exynos_iommu_of_xlate()  local
1301 	if (!sysmmu)  in exynos_iommu_of_xlate()
1304 	data = platform_get_drvdata(sysmmu);  in exynos_iommu_of_xlate()
1306 		put_device(&sysmmu->dev);  in exynos_iommu_of_xlate()
1313 			put_device(&sysmmu->dev);  in exynos_iommu_of_xlate()