PCI: Restore PCI expansion ROM P2P prefetch window creation
PATCH 1/1 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 Gary Hade <[email protected]>
---
drivers/pci/probe.c renamed from drivers/pci/probe.c.orig +2 -1
@@ -276,7 +276,8 @@ static void pci_read_bases(struct pci_de 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; }