UCLASS_USB_DEV_GENERIC was meant for USB devices connected to host controllers, not gadget devices. Adding a new UCLASS for gadget devices alone.
Also move the generic DM code for USB gadgets in a separate file for clarity.
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com
---
Changes in v4: None Changes in v3: None Changes in v2: None
board/sunxi/board.c | 2 +- drivers/usb/dwc3/dwc3-generic.c | 2 +- drivers/usb/gadget/ether.c | 2 +- drivers/usb/gadget/udc/Makefile | 4 +++ drivers/usb/gadget/udc/udc-core.c | 41 -------------------------- drivers/usb/gadget/udc/udc-uclass.c | 58 +++++++++++++++++++++++++++++++++++++ drivers/usb/musb-new/omap2430.c | 2 +- drivers/usb/musb-new/sunxi.c | 2 +- include/dm/uclass-id.h | 1 + 9 files changed, 68 insertions(+), 46 deletions(-) create mode 100644 drivers/usb/gadget/udc/udc-uclass.c
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 64ccbc7..9b36cc7 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -663,7 +663,7 @@ int g_dnl_board_usb_cable_connected(void) struct phy phy; int ret;
- ret = uclass_get_device(UCLASS_USB_DEV_GENERIC, 0, &dev); + ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, 0, &dev); if (ret) { pr_err("%s: Cannot find USB device\n", __func__); return ret; diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c index 681b5c7..7375660 100644 --- a/drivers/usb/dwc3/dwc3-generic.c +++ b/drivers/usb/dwc3/dwc3-generic.c @@ -72,7 +72,7 @@ static int dwc3_generic_peripheral_ofdata_to_platdata(struct udevice *dev)
U_BOOT_DRIVER(dwc3_generic_peripheral) = { .name = "dwc3-generic-peripheral", - .id = UCLASS_USB_DEV_GENERIC, + .id = UCLASS_USB_GADGET_GENERIC, .ofdata_to_platdata = dwc3_generic_peripheral_ofdata_to_platdata, .probe = dwc3_generic_peripheral_probe, .remove = dwc3_generic_peripheral_remove, diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 5a9ffd7..3b3d9af 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -2671,7 +2671,7 @@ int usb_ether_init(void) struct udevice *usb_dev; int ret;
- ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &usb_dev); + ret = uclass_first_device(UCLASS_USB_GADGET_GENERIC, &usb_dev); if (!usb_dev || ret) { pr_err("No USB device found\n"); return ret; diff --git a/drivers/usb/gadget/udc/Makefile b/drivers/usb/gadget/udc/Makefile index 449339f..38ac2dd 100644 --- a/drivers/usb/gadget/udc/Makefile +++ b/drivers/usb/gadget/udc/Makefile @@ -2,4 +2,8 @@ # # USB peripheral controller drivers
+ifndef CONFIG_$(SPL_)DM_USB_GADGET obj-$(CONFIG_USB_DWC3_GADGET) += udc-core.o +endif + +obj-$(CONFIG_$(SPL_)DM_USB_GADGET) += udc-uclass.o udc-core.o diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index 34bea27..62b4778 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -352,44 +352,3 @@ EXPORT_SYMBOL_GPL(usb_gadget_unregister_driver); MODULE_DESCRIPTION("UDC Framework"); MODULE_AUTHOR("Felipe Balbi balbi@ti.com"); MODULE_LICENSE("GPL v2"); - -#if CONFIG_IS_ENABLED(DM_USB_GADGET) -#define MAX_UDC_DEVICES 4 -static struct udevice *dev_array[MAX_UDC_DEVICES]; -int usb_gadget_initialize(int index) -{ - int ret; - struct udevice *dev = NULL; - - if (index < 0 || index >= ARRAY_SIZE(dev_array)) - return -EINVAL; - if (dev_array[index]) - return 0; - ret = uclass_get_device(UCLASS_USB_DEV_GENERIC, index, &dev); - if (!dev || ret) { - pr_err("No USB device found\n"); - return -ENODEV; - } - dev_array[index] = dev; - return 0; -} - -int usb_gadget_release(int index) -{ - int ret; - - if (index < 0 || index >= ARRAY_SIZE(dev_array)) - return -EINVAL; - ret = device_remove(dev_array[index], DM_REMOVE_NORMAL); - if (!ret) - dev_array[index] = NULL; - return ret; -} - -int usb_gadget_handle_interrupts(int index) -{ - if (index < 0 || index >= ARRAY_SIZE(dev_array)) - return -EINVAL; - return dm_usb_gadget_handle_interrupts(dev_array[index]); -} -#endif diff --git a/drivers/usb/gadget/udc/udc-uclass.c b/drivers/usb/gadget/udc/udc-uclass.c new file mode 100644 index 0000000..0620518 --- /dev/null +++ b/drivers/usb/gadget/udc/udc-uclass.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com + * Written by Jean-Jacques Hiblot jjhiblot@ti.com + */ + +#include <common.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <linux/usb/gadget.h> + +#define MAX_UDC_DEVICES 4 +static struct udevice *dev_array[MAX_UDC_DEVICES]; +int usb_gadget_initialize(int index) +{ + int ret; + struct udevice *dev = NULL; + + if (index < 0 || index >= ARRAY_SIZE(dev_array)) + return -EINVAL; + if (dev_array[index]) + return 0; + ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, index, &dev); + if (!dev || ret) { + pr_err("No USB device found\n"); + return -ENODEV; + } + dev_array[index] = dev; + return 0; +} + +int usb_gadget_release(int index) +{ +#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) + int ret; + if (index < 0 || index >= ARRAY_SIZE(dev_array)) + return -EINVAL; + + ret = device_remove(dev_array[index], DM_REMOVE_NORMAL); + if (!ret) + dev_array[index] = NULL; + return ret; +#else + return -ENOTSUPP; +#endif +} + +int usb_gadget_handle_interrupts(int index) +{ + if (index < 0 || index >= ARRAY_SIZE(dev_array)) + return -EINVAL; + return dm_usb_gadget_handle_interrupts(dev_array[index]); +} + +UCLASS_DRIVER(usb_gadget_generic) = { + .id = UCLASS_USB_GADGET_GENERIC, + .name = "usb_gadget_generic", +}; diff --git a/drivers/usb/musb-new/omap2430.c b/drivers/usb/musb-new/omap2430.c index 58aed72..32743aa 100644 --- a/drivers/usb/musb-new/omap2430.c +++ b/drivers/usb/musb-new/omap2430.c @@ -263,7 +263,7 @@ U_BOOT_DRIVER(omap2430_musb) = { #ifdef CONFIG_USB_MUSB_HOST .id = UCLASS_USB, #else - .id = UCLASS_USB_DEV_GENERIC, + .id = UCLASS_USB_GADGET_GENERIC, #endif .of_match = omap2430_musb_ids, .ofdata_to_platdata = omap2430_musb_ofdata_to_platdata, diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index 6cf9826..d7170a3 100644 --- a/drivers/usb/musb-new/sunxi.c +++ b/drivers/usb/musb-new/sunxi.c @@ -535,7 +535,7 @@ U_BOOT_DRIVER(usb_musb) = { #ifdef CONFIG_USB_MUSB_HOST .id = UCLASS_USB, #else - .id = UCLASS_USB_DEV_GENERIC, + .id = UCLASS_USB_GADGET_GENERIC, #endif .of_match = sunxi_musb_ids, .probe = musb_usb_probe, diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h index c91dca1..1601100 100644 --- a/include/dm/uclass-id.h +++ b/include/dm/uclass-id.h @@ -92,6 +92,7 @@ enum uclass_id { UCLASS_USB, /* USB bus */ UCLASS_USB_DEV_GENERIC, /* USB generic device */ UCLASS_USB_HUB, /* USB hub */ + UCLASS_USB_GADGET_GENERIC, /* USB generic device */ UCLASS_VIDEO, /* Video or LCD device */ UCLASS_VIDEO_BRIDGE, /* Video bridge, e.g. DisplayPort to LVDS */ UCLASS_VIDEO_CONSOLE, /* Text console driver for video device */