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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2021-05-18 13:22:32 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2021-06-02 11:25:19 +0000 |
| commit | 5bbf7afe30662343487b6cecc43693edc82c5b0e (patch) | |
| tree | f84a55e7570cf9375afa6770823c735763df178f | |
| parent | 9f98b3ea746f97b61d37f1c11d0e7abb3cd81305 (diff) | |
| download | src-5bbf7afe30662343487b6cecc43693edc82c5b0e.tar.gz src-5bbf7afe30662343487b6cecc43693edc82c5b0e.zip | |
Update USB_PORT_RESET_RECOVERY to comply with the USB 2.0 specification which
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
Sponsored by: Mellanox Technologies // NVIDIA Networking
(cherry picked from commit 70ffaaa69c830d26b59136d0b0447ab2f8683db8)
| -rw-r--r-- | sys/dev/usb/usb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/usb/usb.h b/sys/dev/usb/usb.h index 346ecd3059d7..dcdb62114d63 100644 --- a/sys/dev/usb/usb.h +++ b/sys/dev/usb/usb.h @@ -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 */ |