raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 01:49:46 +00:00
Code Issues Projects Releases Wiki Activity

usb: xhci: Disable the XHCI 5 second timeout

Browse Source 
If the VL805 EEPROM has not been programmed then boot will hang for five
seconds. The timeout seems to be arbitrary and is an unecessary
delay on the first boot. Remove the timeout.

This is common code and probably can't be upstreamed unless the timeout
can be configurable somehow or perhaps the XHCI driver can be skipped
on the first boot.
This commit is contained in:
Tim Gover
2019-03-22 09:47:14 +00:00
committed by popcornmix
parent 4b5f41ab6e
commit 8334a2e05c
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/host/xhci.c
View File

@@ -196,8 +196,9 @@ int xhci_reset(struct xhci_hcd *xhci)
if (xhci->quirks & XHCI_INTEL_HOST)
udelay(1000);
// Hack: reduce handshake timeout from 10s 0.5s due to unprogrammed vl805
ret = xhci_handshake(&xhci->op_regs->command,
CMD_RESET, 0, 10 * 1000 * 1000);
CMD_RESET, 0, 500 * 1000);
if (ret)
return ret;