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| author | Ye Li <ye.li@nxp.com> | 2020-06-29 10:12:59 +0800 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2020-09-01 14:47:43 +0200 |
| commit | 1468a1cc72afa210c35a4d0ed533de29110de648 (patch) | |
| tree | 26c987450664ce86a785e1a0143c47777a63f984 /drivers/usb/host/usb-uclass.c | |
| parent | 213fa47dacf07d11f094ff58a5695cd0c425e164 (diff) | |
| download | u-boot-1468a1cc72afa210c35a4d0ed533de29110de648.zip u-boot-1468a1cc72afa210c35a4d0ed533de29110de648.tar.gz u-boot-1468a1cc72afa210c35a4d0ed533de29110de648.tar.bz2 | |
usb: ci_udc: Add function to remove usb device
When unregister gadget driver in ci_udc, the usb device is not
removed or stop. This causes next "usb start" fails to work.
Add a new interface "usb_remove_ehci_gadget" in usb-uclass to
remove the usb device for DM driver. Using "usb_lowlevel_stop" for
non-DM driver.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'drivers/usb/host/usb-uclass.c')
| -rw-r--r-- | drivers/usb/host/usb-uclass.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/usb/host/usb-uclass.c b/drivers/usb/host/usb-uclass.c index e5dda79..8773824 100644 --- a/drivers/usb/host/usb-uclass.c +++ b/drivers/usb/host/usb-uclass.c @@ -411,6 +411,24 @@ int usb_setup_ehci_gadget(struct ehci_ctrl **ctlrp) return 0; } +int usb_remove_ehci_gadget(struct ehci_ctrl **ctlrp) +{ + struct udevice *dev; + int ret; + + /* Find the old device and remove it */ + ret = uclass_find_device_by_seq(UCLASS_USB, 0, true, &dev); + if (ret) + return ret; + ret = device_remove(dev, DM_REMOVE_NORMAL); + if (ret) + return ret; + + *ctlrp = NULL; + + return 0; +} + /* returns 0 if no match, 1 if match */ static int usb_match_device(const struct usb_device_descriptor *desc, const struct usb_device_id *id) |