56  * v1.x - v3.x SYSMMU supports 32bit physical and 32bit virtual address spaces
59  * All SYSMMU controllers in the system support the address spaces of the same
60  * size, so PG_ENT_SHIFT can be initialized on first SYSMMU probe to proper
230  * on device add, contains a list of SYSMMU controllers defined by device tree,
242  * It contains list of SYSMMU controllers from all master devices, which has
256  * This structure hold all data of a single SYSMMU controller, this includes
262 	struct device *sysmmu;		/* SYSMMU controller device */  member
266 	struct clk *clk;		/* SYSMMU's clock */
267 	struct clk *aclk;		/* SYSMMU's aclk clock */
268 	struct clk *pclk;		/* SYSMMU's pclk clock */
381 	dev_dbg(data->sysmmu, "hardware version: %d.%d\n",  in __sysmmu_get_version()
393 	dev_err(data->sysmmu, "%s: %s FAULT occurred at %#x\n",  in show_fault_information()
395 	dev_dbg(data->sysmmu, "Page table base: %pa\n", &data->pgtable);  in show_fault_information()
397 	dev_dbg(data->sysmmu, "\tLv1 entry: %#x\n", *ent);  in show_fault_information()
400 		dev_dbg(data->sysmmu, "\t Lv2 entry: %#x\n", *ent);  in show_fault_information()
406 	/* SYSMMU is in blocked state when interrupt occurred. */  in exynos_sysmmu_irq()
506 	 * SYSMMU driver keeps master's clock enabled only for the short  in __sysmmu_enable()
596 	data->clk = devm_clk_get(dev, "sysmmu");  in exynos_sysmmu_probe()
625 	data->sysmmu = dev;  in exynos_sysmmu_probe()
629 				     dev_name(data->sysmmu));  in exynos_sysmmu_probe()
656 	 * use the first registered sysmmu device for performing  in exynos_sysmmu_probe()
677 			dev_dbg(data->sysmmu, "saving state\n");  in exynos_sysmmu_suspend()
695 			dev_dbg(data->sysmmu, "restoring state\n");  in exynos_sysmmu_resume()
710 	{ .compatible	= "samsung,exynos-sysmmu", },
717 		.name		= "exynos-sysmmu",
852 		pm_runtime_get_noresume(data->sysmmu);  in exynos_iommu_detach_device()
853 		if (pm_runtime_active(data->sysmmu))  in exynos_iommu_detach_device()
855 		pm_runtime_put(data->sysmmu);  in exynos_iommu_detach_device()
904 		pm_runtime_get_noresume(data->sysmmu);  in exynos_iommu_attach_device()
905 		if (pm_runtime_active(data->sysmmu))  in exynos_iommu_attach_device()
907 		pm_runtime_put(data->sysmmu);  in exynos_iommu_attach_device()
1248 		 * SYSMMU will be runtime activated via device link  in exynos_iommu_probe_device()
1252 		data->link = device_link_add(dev, data->sysmmu,  in exynos_iommu_probe_device()
1290 	struct platform_device *sysmmu = of_find_device_by_node(spec->np);  in exynos_iommu_of_xlate()  local
1294 	if (!sysmmu)  in exynos_iommu_of_xlate()
1297 	data = platform_get_drvdata(sysmmu);  in exynos_iommu_of_xlate()
1299 		put_device(&sysmmu->dev);  in exynos_iommu_of_xlate()
1306 			put_device(&sysmmu->dev);  in exynos_iommu_of_xlate()