From: Kumar Gala Date: Sat, 12 Jan 2008 23:23:26 +0000 (-0600) Subject: [POWERPC] Ensure we only handle PowerMac PCI bus fixup for memory resources X-Git-Tag: v3.12-rc1~24022^2~99^2~43 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=96d69c31c5115341c6c1163aa3d591c2da687a76;p=kernel%2Fkernel-generic.git [POWERPC] Ensure we only handle PowerMac PCI bus fixup for memory resources The fixup code that handles the case for PowerMac's that leave bridge windows open over an inaccessible region should only be applied to memory resources (IORESOURCE_MEM). If not we can get it trying to fixup IORESOURCE_IO on some systems since the other conditions that are used to detect the case can easily match for IORESOURCE_IO. Signed-off-by: Kumar Gala --- diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index d394d41..7d0afd4 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -806,7 +806,8 @@ static void __devinit __pcibios_fixup_bus(struct pci_bus *bus) * equal to the pci_mem_offset of the host bridge and * their size is smaller than 1M. */ - if (res->start == hose->pci_mem_offset && + if (res->flags & IORESOURCE_MEM && + res->start == hose->pci_mem_offset && res->end < 0x100000) { printk(KERN_INFO "PCI: Closing bogus Apple Firmware"