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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (21 commits)
  x86/PCI: use dev_printk when possible
  PCI: add D3 power state avoidance quirk
  PCI: fix bogus "'device' may be used uninitialized" warning in pci_slot
  PCI: add an option to allow ASPM enabled forcibly
  PCI: disable ASPM on pre-1.1 PCIe devices
  PCI: disable ASPM per ACPI FADT setting
  PCI MSI: Don't disable MSIs if the mask bit isn't supported
  PCI: handle 64-bit resources better on 32-bit machines
  PCI: rewrite PCI BAR reading code
  PCI: document pci_target_state
  PCI hotplug: fix typo in pcie hotplug output
  x86 gart: replace to_pages macro with iommu_num_pages
  x86, AMD IOMMU: replace to_pages macro with iommu_num_pages
  iommu: add iommu_num_pages helper function
  dma-coherent: add documentation to new interfaces
  Cris: convert to using generic dma-coherent mem allocator
  Sh: use generic per-device coherent dma allocator
  ARM: support generic per-device coherent dma mem
  Generic dma-coherent: fix DMA_MEMORY_EXCLUSIVE
  x86: use generic per-device dma coherent allocator
  ...
This commit is contained in:
Linus Torvalds 2008-07-28 18:14:24 -07:00
commit 1d9b9f6a53
36 changed files with 512 additions and 568 deletions
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18
drivers/acpi/pci_slot.c
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@ -76,9 +76,9 @@ static struct acpi_pci_driver acpi_pci_slot_driver = {
};
static int
check_slot(acpi_handle handle, int *device, unsigned long *sun)
check_slot(acpi_handle handle, unsigned long *sun)
{
int retval = 0;
int device = -1;
unsigned long adr, sta;
acpi_status status;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
@ -89,32 +89,27 @@ check_slot(acpi_handle handle, int *device, unsigned long *sun)
if (check_sta_before_sun) {
/* If SxFy doesn't have _STA, we just assume it's there */
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
if (ACPI_SUCCESS(status) && !(sta & ACPI_STA_DEVICE_PRESENT)) {
retval = -1;
if (ACPI_SUCCESS(status) && !(sta & ACPI_STA_DEVICE_PRESENT))
goto out;
}
}
status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
if (ACPI_FAILURE(status)) {
dbg("_ADR returned %d on %s\n", status, (char *)buffer.pointer);
retval = -1;
goto out;
}
*device = (adr >> 16) & 0xffff;
/* No _SUN == not a slot == bail */
status = acpi_evaluate_integer(handle, "_SUN", NULL, sun);
if (ACPI_FAILURE(status)) {
dbg("_SUN returned %d on %s\n", status, (char *)buffer.pointer);
retval = -1;
goto out;
}
device = (adr >> 16) & 0xffff;
out:
kfree(buffer.pointer);
return retval;
return device;
}
struct callback_args {
@ -144,7 +139,8 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
struct callback_args *parent_context = context;
struct pci_bus *pci_bus = parent_context->pci_bus;
if (check_slot(handle, &device, &sun))
device = check_slot(handle, &sun);
if (device < 0)
return AE_OK;
slot = kmalloc(sizeof(*slot), GFP_KERNEL);