diff mbox

[v4,4/7] xen-pciback: simplify determination of 64-bit memory resource

Message ID 577CC82B02000078000FB7BA@prv-mh.provo.novell.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jan Beulich July 6, 2016, 6:58 a.m. UTC
Other than for raw BAR values, flags are properly separated in the
internal representation.

Signed-off-by: Jan Beulich <jbeulich@suse.com>

---
 drivers/xen/xen-pciback/conf_space_header.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
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Patch

--- 4.7-rc6-xen-pciback.orig/drivers/xen/xen-pciback/conf_space_header.c
+++ 4.7-rc6-xen-pciback/drivers/xen/xen-pciback/conf_space_header.c
@@ -222,10 +222,7 @@  static void *bar_init(struct pci_dev *de
 		pos = PCI_ROM_RESOURCE;
 	else {
 		pos = (offset - PCI_BASE_ADDRESS_0) / 4;
-		if (pos && ((res[pos - 1].flags & (PCI_BASE_ADDRESS_SPACE |
-				PCI_BASE_ADDRESS_MEM_TYPE_MASK)) ==
-			   (PCI_BASE_ADDRESS_SPACE_MEMORY |
-				PCI_BASE_ADDRESS_MEM_TYPE_64))) {
+		if (pos && (res[pos - 1].flags & IORESOURCE_MEM_64)) {
 			bar->val = res[pos - 1].start >> 32;
 			bar->len_val = -resource_size(&res[pos - 1]) >> 32;
 			return bar;