Date: Tue, 18 Oct 2011 03:24:17 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r226490 - head/sys/dev/ath Message-ID: <201110180324.p9I3OHAY054041@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: adrian Date: Tue Oct 18 03:24:17 2011 New Revision: 226490 URL: http://svn.freebsd.org/changeset/base/226490 Log: Add a WAR from the reference code - clear the PCI error status upon detach. Obtained from: Atheros Modified: head/sys/dev/ath/if_ath_pci.c Modified: head/sys/dev/ath/if_ath_pci.c ============================================================================== --- head/sys/dev/ath/if_ath_pci.c Tue Oct 18 03:17:06 2011 (r226489) +++ head/sys/dev/ath/if_ath_pci.c Tue Oct 18 03:24:17 2011 (r226490) @@ -199,6 +199,11 @@ ath_pci_detach(device_t dev) /* check if device was removed */ sc->sc_invalid = !bus_child_present(dev); + /* + * Do a config read to clear pre-existing pci error status. + */ + (void) pci_read_config(dev, PCIR_COMMAND, 4); + ath_detach(sc); bus_generic_detach(dev);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201110180324.p9I3OHAY054041>