x86/PCI: VMD: Set bus resource start to 0

The bus always starts at 0.  Due to alignment and down-casting, this
happened to work before, but looked alarmingly incorrect in kernel logs.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/arch/x86/pci/vmd.c b/arch/x86/pci/vmd.c
index 29aebbcb510bd39850b4e1c40c9661c751af916c..a08183e604d1d5f170f09fdf2a3ff642c76f8d2b 100644 (file)
--- a/arch/x86/pci/vmd.c
+++ b/arch/x86/pci/vmd.c
@@ -527,7 +527,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd)
        res = &vmd->dev->resource[VMD_CFGBAR];
        vmd->resources[0] = (struct resource) {
                .name  = "VMD CFGBAR",
-               .start = res->start,
+               .start = 0,
                .end   = (resource_size(res) >> 20) - 1,
                .flags = IORESOURCE_BUS | IORESOURCE_PCI_FIXED,
        };