diff options
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index f4adba2d1dd3..c84900da3c59 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -163,9 +163,16 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, struct resource *res, unsigned int pos) { u32 l, sz, mask; + u16 orig_cmd; mask = type ? PCI_ROM_ADDRESS_MASK : ~0; + if (!dev->mmio_always_on) { + pci_read_config_word(dev, PCI_COMMAND, &orig_cmd); + pci_write_config_word(dev, PCI_COMMAND, + orig_cmd & ~(PCI_COMMAND_MEMORY | PCI_COMMAND_IO)); + } + res->name = pci_name(dev); pci_read_config_dword(dev, pos, &l); @@ -173,6 +180,9 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, pci_read_config_dword(dev, pos, &sz); pci_write_config_dword(dev, pos, l); + if (!dev->mmio_always_on) + pci_write_config_word(dev, PCI_COMMAND, orig_cmd); + /* * All bits set in sz means the device isn't working properly. * If the BAR isn't implemented, all bits must be 0. If it's a @@ -951,8 +961,8 @@ int pci_setup_device(struct pci_dev *dev) dev->class = class; class >>= 8; - dev_dbg(&dev->dev, "found [%04x:%04x] class %06x header type %02x\n", - dev->vendor, dev->device, class, dev->hdr_type); + dev_printk(KERN_DEBUG, &dev->dev, "[%04x:%04x] type %d class %#08x\n", + dev->vendor, dev->device, dev->hdr_type, class); /* need to have dev->class ready */ dev->cfg_size = pci_cfg_space_size(dev); |