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[xhci] Fail attempts to issue concurrent commands
authorMichael Brown <mcb30@ipxe.org>
Sun, 3 Jan 2021 19:08:49 +0000 (19:08 +0000)
committerMichael Brown <mcb30@ipxe.org>
Sun, 3 Jan 2021 19:08:49 +0000 (19:08 +0000)
commit017b345d5a3c9ba8cc10e2ca69b6c986b91e0668
tree929cec8ebc4769a625b2ccce16ca3dd4a819464ftree
parent988d2c13cdf0f0b4140685af35ced70ac5b3283ccommit | diff
[xhci] Fail attempts to issue concurrent commands

The xHCI driver can handle only a single command TRB in progress at
any one time.  Immediately fail any attempts to issue concurrent
commands (which should not occur in normal operation).

Signed-off-by: Michael Brown <mcb30@ipxe.org>
src/drivers/usb/xhci.c diff | blob | blame | history
Mirror of https://github.com/ipxe/ipxe.git