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| author | Jung-uk Kim <jkim@FreeBSD.org> | 2010-11-22 21:58:00 +0000 |
|---|---|---|
| committer | Jung-uk Kim <jkim@FreeBSD.org> | 2010-11-22 21:58:00 +0000 |
| commit | f68ff88c879936d6f53f19452b5c9d4cc4e849e3 (patch) | |
| tree | 6bebb67cc68ee239e150541c8d4bde085d0a258b /sys/dev/pci | |
| parent | 54e1a99c149028f4935bf85a0215dfb88bbe863e (diff) | |
| download | src-f68ff88c879936d6f53f19452b5c9d4cc4e849e3.tar.gz src-f68ff88c879936d6f53f19452b5c9d4cc4e849e3.zip | |
Resume critical PCI devices (and their children) first, then everything else
later. This give us better chance to catch device driver problems.
Notes
Notes:
svn path=/head/; revision=215719
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/pci.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 6069b6da7d82..e3b61595ce63 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -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 |