diff options
-rw-r--r-- | arch/parisc/kernel/pci.c | 30 |
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, | |||
287 | */ | 287 | */ |
288 | int pcibios_enable_device(struct pci_dev *dev, int mask) | 288 | int pcibios_enable_device(struct pci_dev *dev, int mask) |
289 | { | 289 | { |
290 | u16 cmd; | 290 | int err; |
291 | int idx; | 291 | u16 cmd, old_cmd; |
292 | 292 | ||
293 | pci_read_config_word(dev, PCI_COMMAND, &cmd); | 293 | err = pci_enable_resources(dev, mask); |
294 | 294 | if (err < 0) | |
295 | for (idx = 0; idx < DEVICE_COUNT_RESOURCE; idx++) { | 295 | return err; |
296 | struct resource *r = &dev->resource[idx]; | ||
297 | 296 | ||
298 | /* only setup requested resources */ | 297 | pci_read_config_word(dev, PCI_COMMAND, &cmd); |
299 | if (!(mask & (1<<idx))) | 298 | old_cmd = cmd; |
300 | continue; | ||
301 | |||
302 | if (r->flags & IORESOURCE_IO) | ||
303 | cmd |= PCI_COMMAND_IO; | ||
304 | if (r->flags & IORESOURCE_MEM) | ||
305 | cmd |= PCI_COMMAND_MEMORY; | ||
306 | } | ||
307 | 299 | ||
308 | cmd |= (PCI_COMMAND_SERR | PCI_COMMAND_PARITY); | 300 | cmd |= (PCI_COMMAND_SERR | PCI_COMMAND_PARITY); |
309 | 301 | ||
@@ -312,8 +304,12 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) | |||
312 | if (dev->bus->bridge_ctl & PCI_BRIDGE_CTL_FAST_BACK) | 304 | if (dev->bus->bridge_ctl & PCI_BRIDGE_CTL_FAST_BACK) |
313 | cmd |= PCI_COMMAND_FAST_BACK; | 305 | cmd |= PCI_COMMAND_FAST_BACK; |
314 | #endif | 306 | #endif |
315 | DBGC("PCIBIOS: Enabling device %s cmd 0x%04x\n", pci_name(dev), cmd); | 307 | |
316 | pci_write_config_word(dev, PCI_COMMAND, cmd); | 308 | if (cmd != old_cmd) { |
309 | dev_info(&dev->dev, "enabling SERR and PARITY (%04x -> %04x)\n", | ||
310 | old_cmd, cmd); | ||
311 | pci_write_config_word(dev, PCI_COMMAND, cmd); | ||
312 | } | ||
317 | return 0; | 313 | return 0; |
318 | } | 314 | } |
319 | 315 | ||