struct device *dev = cdns->dev;
enum usb_dr_mode best_dr_mode;
enum usb_dr_mode dr_mode;
- int ret = 0;
+ int ret;
dr_mode = usb_get_dr_mode(dev);
cdns->role = USB_ROLE_NONE;
goto err;
}
- return ret;
+ return 0;
err:
cdns3_exit_roles(cdns);
return ret;
*/
int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode)
{
- int ret = 0;
u32 reg;
switch (mode) {
return -EINVAL;
}
- return ret;
+ return 0;
}
int cdns3_get_id(struct cdns3 *cdns)
int cdns3_drd_switch_host(struct cdns3 *cdns, int on)
{
int ret, val;
- u32 reg = OTGCMD_OTG_DIS;
/* switch OTG core */
if (on) {
- writel(OTGCMD_HOST_BUS_REQ | reg, &cdns->otg_regs->cmd);
+ writel(OTGCMD_HOST_BUS_REQ | OTGCMD_OTG_DIS,
+ &cdns->otg_regs->cmd);
dev_dbg(cdns->dev, "Waiting till Host mode is turned on\n");
ret = readl_poll_timeout_atomic(&cdns->otg_regs->sts, val,
*/
static int cdns3_init_otg_mode(struct cdns3 *cdns)
{
- int ret = 0;
+ int ret;
cdns3_otg_disable_irq(cdns);
/* clear all interrupts */
return ret;
cdns3_otg_enable_irq(cdns);
- return ret;
+
+ return 0;
}
/**
*/
int cdns3_drd_update_mode(struct cdns3 *cdns)
{
- int ret = 0;
+ int ret;
switch (cdns->dr_mode) {
case USB_DR_MODE_PERIPHERAL:
int cdns3_drd_init(struct cdns3 *cdns)
{
void __iomem *regs;
- int ret = 0;
u32 state;
+ int ret;
regs = devm_ioremap_resource(cdns->dev, &cdns->otg_res);
if (IS_ERR(regs))
cdns3_drd_thread_irq,
IRQF_SHARED,
dev_name(cdns->dev), cdns);
-
if (ret) {
dev_err(cdns->dev, "couldn't get otg_irq\n");
return ret;
return -ENODEV;
}
- return ret;
+ return 0;
}
int cdns3_drd_exit(struct cdns3 *cdns)