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CVS commit: [netbsd-6] src/sys/dev/pci
Module Name: src
Committed By: riz
Date: Mon Oct 1 17:37:28 UTC 2012
src/sys/dev/pci [netbsd-6]: ehci_pci.c
Pull up following revision(s) (requested by tstsui in ticket #569):
sys/dev/pci/ehci_pci.c: revision 1.57
Fix PR kern/46828 (6.0_BETA2 and 6.0_RC1 won't start on DL320/G5p):
In ehci_get_ownership(), don't explicitly clear EHCI_LEG_HC_BIOS_OWNED
semaphore bit in the driver before asking BIOS to give up ownership.
The EHCI spec implies that the semaphore should not be changed by
the other agent and actually the previous one (introduced in rev 1.53
after 5.x) caused hangup during probe on at least two HP machines
as mentioned in the PR. Analyzed and patch provided by Ryo ONODERA.
Should be pulled up to netbsd-6 (fatal hangup during boot).
To generate a diff of this commit:
cvs rdiff -u -r1.54 -r126.96.36.199 src/sys/dev/pci/ehci_pci.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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