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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-03-04 11:56:55 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2008-04-20 21:47:06 -0700
commitc9e9e0bfc52ae93c246149c3b9d3a1e11677ca1a (patch)
tree77167d1e6dc8cd9659539f6130c219a9eed23aa7
parente789920d0497bb3d7eb146382b9ca8137662fabb (diff)
downloadblackbird-op-linux-c9e9e0bfc52ae93c246149c3b9d3a1e11677ca1a.tar.gz
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PCI: parisc: use generic pci_enable_resources()
Use the generic pci_enable_resources() instead of the arch-specific code. Unlike this arch-specific code, the generic version: - checks PCI_NUM_RESOURCES (11), not DEVICE_COUNT_RESOURCE (12), resources - skips resources that have neither IORESOURCE_IO nor IORESOURCE_MEM set - skips ROM resources unless IORESOURCE_ROM_ENABLE is set - checks for resource collisions with "!r->parent" Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--arch/parisc/kernel/pci.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index 507d0ac99f66..6936386c9861 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -287,23 +287,15 @@ void pcibios_align_resource(void *data, struct resource *res,
*/
int pcibios_enable_device(struct pci_dev *dev, int mask)
{
- u16 cmd;
- int idx;
+ int err;
+ u16 cmd, old_cmd;
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
-
- for (idx = 0; idx < DEVICE_COUNT_RESOURCE; idx++) {
- struct resource *r = &dev->resource[idx];
+ err = pci_enable_resources(dev, mask);
+ if (err < 0)
+ return err;
- /* only setup requested resources */
- if (!(mask & (1<<idx)))
- continue;
-
- if (r->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ old_cmd = cmd;
cmd |= (PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
@@ -312,8 +304,12 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
if (dev->bus->bridge_ctl & PCI_BRIDGE_CTL_FAST_BACK)
cmd |= PCI_COMMAND_FAST_BACK;
#endif
- DBGC("PCIBIOS: Enabling device %s cmd 0x%04x\n", pci_name(dev), cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
+
+ if (cmd != old_cmd) {
+ dev_info(&dev->dev, "enabling SERR and PARITY (%04x -> %04x)\n",
+ old_cmd, cmd);
+ pci_write_config_word(dev, PCI_COMMAND, cmd);
+ }
return 0;
}
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