summaryrefslogtreecommitdiff
path: root/arch/x86/pci/i386.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2011-01-05 14:14:42 +0100
committerIngo Molnar <mingo@elte.hu>2011-01-05 14:14:46 +0100
commit27066fd484a32c80630136aa2b91c980f3198f9d (patch)
tree78ddabdedbfd7525d13ecd62a745525843f1d0e8 /arch/x86/pci/i386.c
parent101e5f77bf35679809586e250b6c62193d2ed179 (diff)
parent3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5 (diff)
Merge commit 'v2.6.37' into sched/core
Merge reason: Merge the final .37 tree. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/pci/i386.c')
-rw-r--r--arch/x86/pci/i386.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index c4bb261c106e..b1805b78842f 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -65,21 +65,13 @@ pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
- resource_size_t start = round_down(res->end - size + 1, align);
+ resource_size_t start = res->start;
if (res->flags & IORESOURCE_IO) {
-
- /*
- * If we're avoiding ISA aliases, the largest contiguous I/O
- * port space is 256 bytes. Clearing bits 9 and 10 preserves
- * all 256-byte and smaller alignments, so the result will
- * still be correctly aligned.
- */
- if (!skip_isa_ioresource_align(dev))
- start &= ~0x300;
- } else if (res->flags & IORESOURCE_MEM) {
- if (start < BIOS_END)
- start = res->end; /* fail; no space */
+ if (skip_isa_ioresource_align(dev))
+ return start;
+ if (start & 0x300)
+ start = (start + 0x3ff) & ~0x3ff;
}
return start;
}