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VMD: Set bus resource start to 0

Message ID 1456176160-9086-1-git-send-email-keith.busch@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Keith Busch Feb. 22, 2016, 9:22 p.m. UTC
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>
---
 arch/x86/pci/vmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/x86/pci/vmd.c b/arch/x86/pci/vmd.c
index d57e480..ba07687 100644
--- 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,
 	};