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Diffstat (limited to 'arch/x86_64/kernel/pci-gart.c')
-rw-r--r--arch/x86_64/kernel/pci-gart.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
index 0c3f052ba6c..a6c01e12126 100644
--- a/arch/x86_64/kernel/pci-gart.c
+++ b/arch/x86_64/kernel/pci-gart.c
@@ -65,9 +65,7 @@ static u32 gart_unmapped_entry;
#define for_all_nb(dev) \
dev = NULL; \
- while ((dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1103, dev))!=NULL)\
- if (dev->bus->number == 0 && \
- (PCI_SLOT(dev->devfn) >= 24) && (PCI_SLOT(dev->devfn) <= 31))
+ while ((dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1103, dev))!=NULL)
static struct pci_dev *northbridges[MAX_NB];
static u32 northbridge_flush_word[MAX_NB];
@@ -148,9 +146,12 @@ static void flush_gart(struct device *dev)
if (!northbridges[i])
continue;
/* Make sure the hardware actually executed the flush. */
- do {
+ for (;;) {
pci_read_config_dword(northbridges[i], 0x9c, &w);
- } while (w & 1);
+ if (!(w & 1))
+ break;
+ cpu_relax();
+ }
}
if (!flushed)
printk("nothing to flush?\n");