Author: hselasky
Date: Mon Oct 7 15:03:24 2019
New Revision: 353277
URL: https://svnweb.freebsd.org/changeset/base/353277
Log:
MFS r353169:
The maximum TD size is 31 and not 15.
Found at: EuroBSDcon 2019
Sponsored by: Mellanox Technologies
Approved by: re (gjb)
Modified:
releng/12.1/sys/dev/usb/controller/xhci.c
Directory Properties:
releng/12.1/ (props changed)
Modified: releng/12.1/sys/dev/usb/controller/xhci.c
==============================================================================
--- releng/12.1/sys/dev/usb/controller/xhci.c Mon Oct 7 14:46:23 2019
(r353276)
+++ releng/12.1/sys/dev/usb/controller/xhci.c Mon Oct 7 15:03:24 2019
(r353277)
@@ -2003,7 +2003,7 @@ restart:
/* clear TD SIZE to zero, hence this is the last TRB */
/* remove chain bit because this is the last data TRB in the chain */
- td->td_trb[td->ntrb - 1].dwTrb2 &= ~htole32(XHCI_TRB_2_TDSZ_SET(15));
+ td->td_trb[td->ntrb - 1].dwTrb2 &= ~htole32(XHCI_TRB_2_TDSZ_SET(31));
td->td_trb[td->ntrb - 1].dwTrb3 &= ~htole32(XHCI_TRB_3_CHAIN_BIT);
/* remove CHAIN-BIT from last LINK TRB */
td->td_trb[td->ntrb].dwTrb3 &= ~htole32(XHCI_TRB_3_CHAIN_BIT);
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