Re: [PATCH] mark PCI resource with start 0 as unassigned
From: Segher Boessenkool <hidden>
Date: 2006-12-04 12:44:15
Also in:
linux-ide
quoted hunk ↗ jump to hunk
--- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c@@ -1234,6 +1234,14 @@ static void __devinit fixup_resource(str struct pci_controller *hose = pci_bus_to_host(dev->bus); unsigned long start, end, mask, offset; + /* + * tell the core code that this ressource is unassigned + * fixes p630 winbond IDE with libata + */ + if (res->start == 0) { + res->flags = 0; + return; + } if (res->flags & IORESOURCE_IO) { offset = (unsigned long)hose->io_base_virt - pci_io_base;
Please make this run on pSeries only; on a PowerMac for example, it's totally normal that the first PCI legacy I/O BAR in the system gets assigned 0. Segher