Date: Mon, 22 Nov 2010 21:58:00 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r215719 - head/sys/dev/pci Message-ID: <201011222158.oAMLw0AH007393@svn.freebsd.org>
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Author: jkim Date: Mon Nov 22 21:58:00 2010 New Revision: 215719 URL: http://svn.freebsd.org/changeset/base/215719 Log: Resume critical PCI devices (and their children) first, then everything else later. This give us better chance to catch device driver problems. Modified: head/sys/dev/pci/pci.c Modified: head/sys/dev/pci/pci.c ============================================================================== --- head/sys/dev/pci/pci.c Mon Nov 22 21:43:45 2010 (r215718) +++ head/sys/dev/pci/pci.c Mon Nov 22 21:58:00 2010 (r215719) @@ -3022,8 +3022,35 @@ pci_resume(device_t dev) if (!device_is_attached(child)) pci_cfg_save(child, dinfo, 1); } + + /* + * Resume critical devices first, then everything else later. + */ + for (i = 0; i < numdevs; i++) { + child = devlist[i]; + switch (pci_get_class(child)) { + case PCIC_DISPLAY: + case PCIC_MEMORY: + case PCIC_BRIDGE: + case PCIC_BASEPERIPH: + DEVICE_RESUME(child); + break; + } + } + for (i = 0; i < numdevs; i++) { + child = devlist[i]; + switch (pci_get_class(child)) { + case PCIC_DISPLAY: + case PCIC_MEMORY: + case PCIC_BRIDGE: + case PCIC_BASEPERIPH: + break; + default: + DEVICE_RESUME(child); + } + } free(devlist, M_TEMP); - return (bus_generic_resume(dev)); + return (0); } static void
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