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Commit bb446093 authored by Gary Hade's avatar Gary Hade Committed by Greg Kroah-Hartman
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PCI: Restore PCI expansion ROM P2P prefetch window creation 



Restore PCI expansion ROM P2P prefetch window creation.

This patch reverts previous "Avoid creating P2P prefetch
window for expansion ROMs" change due to regressions that
were spotted on some systems.

Signed-off-by: default avatarGary Hade <garyhade@us.ibm.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent da8cadb3

drivers/pci/probe.c

+2 −1
Original line number Diff line number Diff line
@@ -276,7 +276,8 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom) 
			sz = pci_size(l, sz, (u32)PCI_ROM_ADDRESS_MASK);

			if (sz) {

				res->flags = (l & IORESOURCE_ROM_ENABLE) |

				  IORESOURCE_MEM | IORESOURCE_READONLY;

				  IORESOURCE_MEM | IORESOURCE_PREFETCH |

				  IORESOURCE_READONLY | IORESOURCE_CACHEABLE;

				res->start = l & PCI_ROM_ADDRESS_MASK;

				res->end = res->start + (unsigned long) sz;

			}