From c8670c22e04e4e42e752cc5b53922106b3eedbda Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 6 Jul 2016 00:58:19 -0600 Subject: [PATCH] xen-pciback: simplify determination of 64-bit memory resource Other than for raw BAR values, flags are properly separated in the internal representation. Signed-off-by: Jan Beulich Signed-off-by: David Vrabel --- drivers/xen/xen-pciback/conf_space_header.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c index 56647b873697..bfa610d02443 100644 --- a/drivers/xen/xen-pciback/conf_space_header.c +++ b/drivers/xen/xen-pciback/conf_space_header.c @@ -222,10 +222,7 @@ static void *bar_init(struct pci_dev *dev, int offset) 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;