aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/kernel/bios32.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/kernel/bios32.c')
-rw-r--r--arch/arm/kernel/bios32.c37
1 files changed, 3 insertions, 34 deletions
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 317da88ae65b..91f48804e3bb 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -608,41 +608,10 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
608 */ 608 */
609int pcibios_enable_device(struct pci_dev *dev, int mask) 609int pcibios_enable_device(struct pci_dev *dev, int mask)
610{ 610{
611 u16 cmd, old_cmd; 611 if (pci_has_flag(PCI_PROBE_ONLY))
612 int idx; 612 return 0;
613 struct resource *r;
614
615 pci_read_config_word(dev, PCI_COMMAND, &cmd);
616 old_cmd = cmd;
617 for (idx = 0; idx < 6; idx++) {
618 /* Only set up the requested stuff */
619 if (!(mask & (1 << idx)))
620 continue;
621
622 r = dev->resource + idx;
623 if (!r->start && r->end) {
624 printk(KERN_ERR "PCI: Device %s not available because"
625 " of resource collisions\n", pci_name(dev));
626 return -EINVAL;
627 }
628 if (r->flags & IORESOURCE_IO)
629 cmd |= PCI_COMMAND_IO;
630 if (r->flags & IORESOURCE_MEM)
631 cmd |= PCI_COMMAND_MEMORY;
632 }
633 613
634 /* 614 return pci_enable_resources(dev, mask);
635 * Bridges (eg, cardbus bridges) need to be fully enabled
636 */
637 if ((dev->class >> 16) == PCI_BASE_CLASS_BRIDGE)
638 cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
639
640 if (cmd != old_cmd) {
641 printk("PCI: enabling device %s (%04x -> %04x)\n",
642 pci_name(dev), old_cmd, cmd);
643 pci_write_config_word(dev, PCI_COMMAND, cmd);
644 }
645 return 0;
646} 615}
647 616
648int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, 617int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,