diff options
Diffstat (limited to 'drivers/usb/gadget/udc/udc-uclass.c')
| -rw-r--r-- | drivers/usb/gadget/udc/udc-uclass.c | 57 |
1 files changed, 50 insertions, 7 deletions
diff --git a/drivers/usb/gadget/udc/udc-uclass.c b/drivers/usb/gadget/udc/udc-uclass.c index de8861829c7..b4271b4be9f 100644 --- a/drivers/usb/gadget/udc/udc-uclass.c +++ b/drivers/usb/gadget/udc/udc-uclass.c @@ -14,6 +14,37 @@ #if CONFIG_IS_ENABLED(DM_USB_GADGET) #define MAX_UDC_DEVICES 4 static struct udevice *dev_array[MAX_UDC_DEVICES]; + +int udc_device_get_by_index(int index, struct udevice **udev) +{ + struct udevice *dev = NULL; + int ret; + + ret = uclass_get_device_by_seq(UCLASS_USB_GADGET_GENERIC, index, &dev); + if (!ret && dev) { + *udev = dev; + return 0; + } + + ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, index, &dev); + if (!ret && dev) { + *udev = dev; + return 0; + } + + pr_err("No USB device found\n"); + return -ENODEV; +} + +int udc_device_put(struct udevice *udev) +{ +#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) + return device_remove(udev, DM_REMOVE_NORMAL); +#else + return -ENOSYS; +#endif +} + int usb_gadget_initialize(int index) { int ret; @@ -23,13 +54,10 @@ int usb_gadget_initialize(int index) return -EINVAL; if (dev_array[index]) return 0; - ret = uclass_get_device_by_seq(UCLASS_USB_GADGET_GENERIC, index, &dev); + ret = udc_device_get_by_index(index, &dev); if (!dev || ret) { - ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, index, &dev); - if (!dev || ret) { - pr_err("No USB device found\n"); - return -ENODEV; - } + pr_err("No USB device found\n"); + return -ENODEV; } dev_array[index] = dev; return 0; @@ -42,7 +70,7 @@ int usb_gadget_release(int index) if (index < 0 || index >= ARRAY_SIZE(dev_array)) return -EINVAL; - ret = device_remove(dev_array[index], DM_REMOVE_NORMAL); + ret = device_remove(dev_array[index]); if (!ret) dev_array[index] = NULL; return ret; @@ -57,10 +85,25 @@ int usb_gadget_handle_interrupts(int index) return -EINVAL; return dm_usb_gadget_handle_interrupts(dev_array[index]); } +#else +/* Backwards hardware compatibility -- switch to DM_USB_GADGET */ +static int legacy_index; +int udc_device_get_by_index(int index, struct udevice **udev) +{ + legacy_index = index; + return board_usb_init(index, USB_INIT_DEVICE); +} + +int udc_device_put(struct udevice *udev) +{ + return board_usb_cleanup(legacy_index, USB_INIT_DEVICE); +} #endif +#if CONFIG_IS_ENABLED(DM) UCLASS_DRIVER(usb_gadget_generic) = { .id = UCLASS_USB_GADGET_GENERIC, .name = "usb", .flags = DM_UC_FLAG_SEQ_ALIAS, }; +#endif |