Module Name: src Committed By: gson Date: Fri Nov 29 14:15:42 UTC 2019
Modified Files: src/sys/dev/usb: ohci.c Log Message: Preserve the toggleCarry bit in the Endpoint Descriptor in ohci_abort_xfer(). Fixes the OHCI part of PR kern/50278. To generate a diff of this commit: cvs rdiff -u -r1.291 -r1.292 src/sys/dev/usb/ohci.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/usb/ohci.c diff -u src/sys/dev/usb/ohci.c:1.291 src/sys/dev/usb/ohci.c:1.292 --- src/sys/dev/usb/ohci.c:1.291 Fri Nov 29 14:13:04 2019 +++ src/sys/dev/usb/ohci.c Fri Nov 29 14:15:41 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: ohci.c,v 1.291 2019/11/29 14:13:04 gson Exp $ */ +/* $NetBSD: ohci.c,v 1.292 2019/11/29 14:15:41 gson Exp $ */ /* * Copyright (c) 1998, 2004, 2005, 2012 The NetBSD Foundation, Inc. @@ -41,7 +41,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ohci.c,v 1.291 2019/11/29 14:13:04 gson Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ohci.c,v 1.292 2019/11/29 14:15:41 gson Exp $"); #ifdef _KERNEL_OPT #include "opt_usb.h" @@ -2349,7 +2349,9 @@ ohci_abort_xfer(struct usbd_xfer *xfer, if (hit) { DPRINTFN(1, "set hd=0x%08jx, tl=0x%08jx", (int)p->physaddr, (int)O32TOH(sed->ed.ed_tailp), 0, 0); - sed->ed.ed_headp = HTOO32(p->physaddr); /* unlink TDs */ + /* unlink TDs, preserving toggle carry */ + sed->ed.ed_headp = HTOO32(p->physaddr | + (O32TOH(sed->ed.ed_headp) & OHCI_TOGGLECARRY)); usb_syncmem(&sed->dma, sed->offs + offsetof(ohci_ed_t, ed_headp), sizeof(sed->ed.ed_headp),