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authorBjorn Helgaas <bjorn.helgaas@hp.com>2009-11-05 11:17:11 -0600
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-11-06 13:59:34 -0800
commitea7f1b6ee9dc96c5827b06ba21d7769d553efb7d (patch)
tree5f64ed20526f7e2b6505ef86f49314e8aa341ed8 /arch/x86/pci/acpi.c
parent0efea0006335a2425b1a12a2ad35efad626fe353 (diff)
x86/PCI: remove 64-bit division
The roundup() caused a build error (undefined reference to `__udivdi3'). We're aligning to power-of-two boundaries, so it's simpler to just use ALIGN() anyway, which avoids the division. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/x86/pci/acpi.c')
-rw-r--r--arch/x86/pci/acpi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 8ddf4f4c7253..959e548a7039 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -69,17 +69,17 @@ align_resource(struct acpi_device *bridge, struct resource *res)
* that claim this address space have starting alignment and length
* constraints, so fix any obvious BIOS goofs.
*/
- if (res->start & (align - 1)) {
+ if (!IS_ALIGNED(res->start, align)) {
dev_printk(KERN_DEBUG, &bridge->dev,
"host bridge window %pR invalid; "
"aligning start to %d-byte boundary\n", res, align);
res->start &= ~(align - 1);
}
- if ((res->end + 1) & (align - 1)) {
+ if (!IS_ALIGNED(res->end + 1, align)) {
dev_printk(KERN_DEBUG, &bridge->dev,
"host bridge window %pR invalid; "
"aligning end to %d-byte boundary\n", res, align);
- res->end = roundup(res->end, align) - 1;
+ res->end = ALIGN(res->end, align) - 1;
}
}