d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update USB_PORT_RESET_RECOVERY to comply with the USB 2.0 specification which

Browse Source 
says it should be max 10 milliseconds.

This may fix some USB enumeration issues:
> usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_IOERROR, ignored)
> usbd_setup_device_desc: getting device descriptor at addr 3 failed,

Found by:	Zhichao1.Li@dell.com
MFC after:	1 week
Sponsored by:	Mellanox Technologies // NVIDIA Networking
This commit is contained in:
Hans Petter Selasky 2021-05-18 15:22:32 +02:00
parent 00e501d720
commit 70ffaaa69c
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/dev/usb/usb.h
View File

@ -115,7 +115,7 @@ MALLOC_DECLARE(M_USBDEV);
/* Allow for marginal and non-conforming devices. */
#define USB_PORT_RESET_DELAY 50 /* ms */
#define USB_PORT_ROOT_RESET_DELAY 200 /* ms */
#define USB_PORT_RESET_RECOVERY 250 /* ms */
#define USB_PORT_RESET_RECOVERY 10 /* ms */
#define USB_PORT_POWERUP_DELAY 300 /* ms */
#define USB_PORT_RESUME_DELAY (20*2) /* ms */
#define USB_SET_ADDRESS_SETTLE 10 /* ms */