diff options
| -rw-r--r-- | drivers/usb/dwc3/core.c | 133 |
1 files changed, 67 insertions, 66 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 38976f3123d3..af8c8f6e67b3 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -553,6 +553,69 @@ static int dwc3_core_get_phy(struct dwc3 *dwc) return 0; } +static int dwc3_core_init_mode(struct dwc3 *dwc) +{ + struct device *dev = dwc->dev; + int ret; + + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: + dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE); + ret = dwc3_gadget_init(dwc); + if (ret) { + dev_err(dev, "failed to initialize gadget\n"); + return ret; + } + break; + case USB_DR_MODE_HOST: + dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_HOST); + ret = dwc3_host_init(dwc); + if (ret) { + dev_err(dev, "failed to initialize host\n"); + return ret; + } + break; + case USB_DR_MODE_OTG: + dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_OTG); + ret = dwc3_host_init(dwc); + if (ret) { + dev_err(dev, "failed to initialize host\n"); + return ret; + } + + ret = dwc3_gadget_init(dwc); + if (ret) { + dev_err(dev, "failed to initialize gadget\n"); + return ret; + } + break; + default: + dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode); + return -EINVAL; + } + + return 0; +} + +static void dwc3_core_exit_mode(struct dwc3 *dwc) +{ + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: + dwc3_gadget_exit(dwc); + break; + case USB_DR_MODE_HOST: + dwc3_host_exit(dwc); + break; + case USB_DR_MODE_OTG: + dwc3_host_exit(dwc); + dwc3_gadget_exit(dwc); + break; + default: + /* do nothing */ + break; + } +} + #define DWC3_ALIGN_MASK (16 - 1) static int dwc3_probe(struct platform_device *pdev) @@ -682,41 +745,9 @@ static int dwc3_probe(struct platform_device *pdev) goto err_usb3phy_power; } - switch (dwc->dr_mode) { - case USB_DR_MODE_PERIPHERAL: - dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE); - ret = dwc3_gadget_init(dwc); - if (ret) { - dev_err(dev, "failed to initialize gadget\n"); - goto err2; - } - break; - case USB_DR_MODE_HOST: - dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_HOST); - ret = dwc3_host_init(dwc); - if (ret) { - dev_err(dev, "failed to initialize host\n"); - goto err2; - } - break; - case USB_DR_MODE_OTG: - dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_OTG); - ret = dwc3_host_init(dwc); - if (ret) { - dev_err(dev, "failed to initialize host\n"); - goto err2; - } - - ret = dwc3_gadget_init(dwc); - if (ret) { - dev_err(dev, "failed to initialize gadget\n"); - goto err2; - } - break; - default: - dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode); + ret = dwc3_core_init_mode(dwc); + if (ret) goto err2; - } ret = dwc3_debugfs_init(dwc); if (ret) { @@ -729,21 +760,7 @@ static int dwc3_probe(struct platform_device *pdev) return 0; err3: - switch (dwc->dr_mode) { - case USB_DR_MODE_PERIPHERAL: - dwc3_gadget_exit(dwc); - break; - case USB_DR_MODE_HOST: - dwc3_host_exit(dwc); - break; - case USB_DR_MODE_OTG: - dwc3_host_exit(dwc); - dwc3_gadget_exit(dwc); - break; - default: - /* do nothing */ - break; - } + dwc3_core_exit_mode(dwc); err2: dwc3_event_buffers_cleanup(dwc); @@ -778,23 +795,7 @@ static int dwc3_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); dwc3_debugfs_exit(dwc); - - switch (dwc->dr_mode) { - case USB_DR_MODE_PERIPHERAL: - dwc3_gadget_exit(dwc); - break; - case USB_DR_MODE_HOST: - dwc3_host_exit(dwc); - break; - case USB_DR_MODE_OTG: - dwc3_host_exit(dwc); - dwc3_gadget_exit(dwc); - break; - default: - /* do nothing */ - break; - } - + dwc3_core_exit_mode(dwc); dwc3_event_buffers_cleanup(dwc); dwc3_free_event_buffers(dwc); dwc3_core_exit(dwc); |