resource/PCI: align functions now return start of resource

As suggested by Linus, align functions should return the start
of a resource, not void. An update of "res->start" is no longer
necessary.

Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 809681900ec8..a7c85f84f06c 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -616,15 +616,17 @@ char * __init pcibios_setup(char *str)
  * but we want to try to avoid allocating at 0x2900-0x2bff
  * which might be mirrored at 0x0100-0x03ff..
  */
-void pcibios_align_resource(void *data, struct resource *res,
-                            resource_size_t size, resource_size_t align)
+resource_size_t pcibios_align_resource(void *data, struct resource *res,
+                                resource_size_t size, resource_size_t align)
 {
         resource_size_t start = res->start;
 
         if (res->flags & IORESOURCE_IO && start & 0x300)
                 start = (start + 0x3ff) & ~0x3ff;
 
-        res->start = (start + align - 1) & ~(align - 1);
+        start = (start + align - 1) & ~(align - 1);
+
+        return start;
 }
 
 /**