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author | Jeff Garzik <jeff@garzik.org> | 2006-06-22 22:11:56 -0400 |
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committer | Jeff Garzik <jeff@garzik.org> | 2006-06-22 22:11:56 -0400 |
commit | 71d530cd1b6d97094481002a04c77fea1c8e1c22 (patch) | |
tree | e786da7145d83c19a594adf76ed90d52c51058b1 /drivers/pci/pci.c | |
parent | d7a80dad2fe19a2b8c119c8e9cba605474a75a2b (diff) | |
parent | d588fcbe5a7ba8bba2cebf7799ab2d573717a806 (diff) | |
download | linux-71d530cd1b6d97094481002a04c77fea1c8e1c22.tar.gz linux-71d530cd1b6d97094481002a04c77fea1c8e1c22.tar.bz2 linux-71d530cd1b6d97094481002a04c77fea1c8e1c22.zip |
Merge branch 'master' into upstream
Conflicts:
drivers/scsi/libata-core.c
drivers/scsi/libata-scsi.c
include/linux/pci_ids.h
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r-- | drivers/pci/pci.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 12286275b1c8..d408a3c30426 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -164,7 +164,6 @@ int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap) return __pci_bus_find_cap(bus, devfn, hdr_type & 0x7f, cap); } -#if 0 /** * pci_find_ext_capability - Find an extended capability * @dev: PCI device to query @@ -212,7 +211,7 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap) return 0; } -#endif /* 0 */ +EXPORT_SYMBOL_GPL(pci_find_ext_capability); /** * pci_find_parent_resource - return resource region of parent bus of given region @@ -518,7 +517,12 @@ pci_enable_device_bars(struct pci_dev *dev, int bars) int pci_enable_device(struct pci_dev *dev) { - int err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1); + int err; + + if (dev->is_enabled) + return 0; + + err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1); if (err) return err; pci_fixup_device(pci_fixup_enable, dev); @@ -547,7 +551,14 @@ void pci_disable_device(struct pci_dev *dev) { u16 pci_command; - + + if (dev->msi_enabled) + disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI), + PCI_CAP_ID_MSI); + if (dev->msix_enabled) + disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI), + PCI_CAP_ID_MSIX); + pci_read_config_word(dev, PCI_COMMAND, &pci_command); if (pci_command & PCI_COMMAND_MASTER) { pci_command &= ~PCI_COMMAND_MASTER; |