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Default branch: MAIN
Current tag: yamt-x86pmap-base4
Revision 1.89 / (download) - annotate - [select for diffs], Fri Mar 23 21:51:34 2007 UTC (17 years ago) by drochner
Branch: MAIN
CVS Tags: yamt-x86pmap-base4,
yamt-x86pmap-base3,
yamt-x86pmap-base2,
yamt-x86pmap-base,
yamt-x86pmap,
yamt-idlelwp-base8,
vmlocking-base,
thorpej-atomic-base,
thorpej-atomic,
nick-csl-alignment-base5,
nick-csl-alignment-base,
nick-csl-alignment,
mjf-ufs-trans-base,
matt-mips64-base,
matt-mips64,
hpcarm-cleanup
Branch point for: matt-armv6,
jmcneill-pm,
bouyer-xenamd64
Changes since 1.88: +11 -2
lines
Diff to previous 1.88 (colored)
Work around imperfect hub emulation in the ehci root hub (ohci is affected too, but that's not critical): real hubs send port status change notifications until acknowledged, ehci/ohci send only once so there is a chance that this gets lost if notifications are disabled during a scan. The temporary fix is to force a rescan; the real fix will involve a change in interrupt handling in ehci/ohci which needs more work and testing. ehci is critical because a port status change during scan regularely happens if a full/lowspeed device is connected, due to the handover process. Fixes a problem where full/lowspeed devices were not reattached after a disconnect, reported by Kouichirou Hiratsuka and Juan RP on current-users.