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authorBjorn Helgaas <bhelgaas@google.com>2012-07-09 23:02:44 -0400
committerBjorn Helgaas <bhelgaas@google.com>2012-07-09 23:02:44 -0400
commitd68e70c6e59ad08feca291c2790164d3231c425e (patch)
tree17bd7b95ef577a5b2f1913be20e31c0f41390d1a /drivers/pci/probe.c
parent9349b44a459677e270ae19a373c58e5c3edbff04 (diff)
parent9aac537e0e33f4e4f28b8e7472c283fb6460c650 (diff)
Merge branch 'pci/bjorn-disable-decode' into next
* pci/bjorn-disable-decode: PCI: disable MEM decoding while updating 64-bit MEM BARs PCI: leave MEM and IO decoding disabled during 64-bit BAR sizing, too
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index cd06c8478267..5e5358a3dd92 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -189,9 +189,6 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
189 pci_read_config_dword(dev, pos, &sz); 189 pci_read_config_dword(dev, pos, &sz);
190 pci_write_config_dword(dev, pos, l); 190 pci_write_config_dword(dev, pos, l);
191 191
192 if (!dev->mmio_always_on)
193 pci_write_config_word(dev, PCI_COMMAND, orig_cmd);
194
195 /* 192 /*
196 * All bits set in sz means the device isn't working properly. 193 * All bits set in sz means the device isn't working properly.
197 * If the BAR isn't implemented, all bits must be 0. If it's a 194 * If the BAR isn't implemented, all bits must be 0. If it's a
@@ -276,6 +273,9 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
276 } 273 }
277 274
278 out: 275 out:
276 if (!dev->mmio_always_on)
277 pci_write_config_word(dev, PCI_COMMAND, orig_cmd);
278
279 return (res->flags & IORESOURCE_MEM_64) ? 1 : 0; 279 return (res->flags & IORESOURCE_MEM_64) ? 1 : 0;
280 fail: 280 fail:
281 res->flags = 0; 281 res->flags = 0;