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Commit ea7f1b6e authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Jesse Barnes
Browse files

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: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent 0efea000

arch/x86/pci/acpi.c

+3 −3
Original line number Diff line number Diff line
@@ -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;

	}

}