67 static void dw_i2c_acpi_params(struct platform_device *pdev, char method[],  in dw_i2c_acpi_params()  argument
71 	acpi_handle handle = ACPI_HANDLE(&pdev->dev);  in dw_i2c_acpi_params()
93 static int dw_i2c_acpi_configure(struct platform_device *pdev)  in dw_i2c_acpi_configure()  argument
95 	struct dw_i2c_dev *dev = platform_get_drvdata(pdev);  in dw_i2c_acpi_configure()
106 	dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt, NULL);  in dw_i2c_acpi_configure()
107 	dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt,  in dw_i2c_acpi_configure()
110 	id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev);  in dw_i2c_acpi_configure()
129 static inline int dw_i2c_acpi_configure(struct platform_device *pdev)  in dw_i2c_acpi_configure()  argument
135 static int dw_i2c_plat_probe(struct platform_device *pdev)  in dw_i2c_plat_probe()  argument
144 	irq = platform_get_irq(pdev, 0);  in dw_i2c_plat_probe()
148 	dev = devm_kzalloc(&pdev->dev, sizeof(struct dw_i2c_dev), GFP_KERNEL);  in dw_i2c_plat_probe()
152 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);  in dw_i2c_plat_probe()
153 	dev->base = devm_ioremap_resource(&pdev->dev, mem);  in dw_i2c_plat_probe()
157 	dev->dev = &pdev->dev;  in dw_i2c_plat_probe()
159 	platform_set_drvdata(pdev, dev);  in dw_i2c_plat_probe()
164 	if (has_acpi_companion(&pdev->dev)) {  in dw_i2c_plat_probe()
165 		dw_i2c_acpi_configure(pdev);  in dw_i2c_plat_probe()
166 	} else if (pdev->dev.of_node) {  in dw_i2c_plat_probe()
167 		of_property_read_u32(pdev->dev.of_node,  in dw_i2c_plat_probe()
170 		of_property_read_u32(pdev->dev.of_node,  in dw_i2c_plat_probe()
173 		of_property_read_u32(pdev->dev.of_node,  in dw_i2c_plat_probe()
177 		of_property_read_u32(pdev->dev.of_node, "clock-frequency",  in dw_i2c_plat_probe()
184 			dev_err(&pdev->dev, "Only 100kHz and 400kHz supported");  in dw_i2c_plat_probe()
188 		pdata = dev_get_platdata(&pdev->dev);  in dw_i2c_plat_probe()
211 	dev->clk = devm_clk_get(&pdev->dev, NULL);  in dw_i2c_plat_probe()
229 		dev->adapter.nr = pdev->id;  in dw_i2c_plat_probe()
235 	ACPI_COMPANION_SET(&adap->dev, ACPI_COMPANION(&pdev->dev));  in dw_i2c_plat_probe()
236 	adap->dev.of_node = pdev->dev.of_node;  in dw_i2c_plat_probe()
239 		pm_runtime_forbid(&pdev->dev);  in dw_i2c_plat_probe()
241 		pm_runtime_set_autosuspend_delay(&pdev->dev, 1000);  in dw_i2c_plat_probe()
242 		pm_runtime_use_autosuspend(&pdev->dev);  in dw_i2c_plat_probe()
243 		pm_runtime_set_active(&pdev->dev);  in dw_i2c_plat_probe()
244 		pm_runtime_enable(&pdev->dev);  in dw_i2c_plat_probe()
249 		pm_runtime_disable(&pdev->dev);  in dw_i2c_plat_probe()
254 static int dw_i2c_plat_remove(struct platform_device *pdev)  in dw_i2c_plat_remove()  argument
256 	struct dw_i2c_dev *dev = platform_get_drvdata(pdev);  in dw_i2c_plat_remove()
258 	pm_runtime_get_sync(&pdev->dev);  in dw_i2c_plat_remove()
264 	pm_runtime_dont_use_autosuspend(&pdev->dev);  in dw_i2c_plat_remove()
265 	pm_runtime_put_sync(&pdev->dev);  in dw_i2c_plat_remove()
267 		pm_runtime_disable(&pdev->dev);  in dw_i2c_plat_remove()
299 	struct platform_device *pdev = to_platform_device(dev);  in dw_i2c_plat_suspend()  local
300 	struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);  in dw_i2c_plat_suspend()
310 	struct platform_device *pdev = to_platform_device(dev);  in dw_i2c_plat_resume()  local
311 	struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);  in dw_i2c_plat_resume()