On 08/01/2013 07:36 AM, George Cherian wrote: please keep the file here file snipping >> +static const struct of_device_id omap_control_usb_id_table[] = { >> + { .compatible = "ti,am335x-ctrl-module", .data = &ctrl_am335x }, >> + {} >> +}; >> +MODULE_DEVICE_TABLE(of, omap_control_usb_id_table); >> + >> +static struct platform_driver am335x_control_driver; >> +static int match(struct device *dev, void *data) >> +{ >> + struct device_node *node = (struct device_node *)data; >> + return dev->of_node == node && >> + dev->driver == &am335x_control_driver.driver; >> +} >> + >> +struct phy_control *am335x_get_phy_control(struct device *dev) >> +{ >> + struct device_node *node; >> + struct am335x_control_usb *ctrl_usb; >> + >> + node = of_parse_phandle(dev->of_node, "ti,ctrl_mod", 0); >> + if (!node) >> + return NULL; >> + >> + dev = bus_find_device(&platform_bus_type, NULL, node, match); > > of_find_device_by_node doesn't work??? It would but I have here a reference to the device. > >> + ctrl_usb = dev_get_drvdata(dev); >> + if (!ctrl_usb) >> + return NULL; >> + return &ctrl_usb->phy_ctrl; >> +} >> +EXPORT_SYMBOL_GPL(am335x_get_phy_control); >> + >> +static int am335x_control_usb_probe(struct platform_device *pdev) >> +{ >> + struct resource *res; >> + struct am335x_control_usb *ctrl_usb; >> + const struct of_device_id *of_id; >> + const struct phy_control *phy_ctrl; >> + >> + of_id = of_match_node(omap_control_usb_id_table, pdev->dev.of_node); >> + if (!of_id) >> + return -EINVAL; >> + >> + phy_ctrl = of_id->data; >> + >> + ctrl_usb = devm_kzalloc(&pdev->dev, sizeof(*ctrl_usb), GFP_KERNEL); >> + if (!ctrl_usb) { >> + dev_err(&pdev->dev, "unable to alloc memory for control usb\n"); >> + return -ENOMEM; >> + } >> + >> + ctrl_usb->dev = &pdev->dev; >> + >> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, >> "control_dev"); >> + ctrl_usb->reset_reg = devm_ioremap_resource(&pdev->dev, res); > > As per current DTSI in patch 5 you are mapping from control module base > till 0x650. > Cant it be split to 2 registers one mapping for phy on/off and one for > phy wkup? You asked the same question in the other pathch. It could but please refer to the other patch. Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html