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resource/PCI: align functions now return start of resource

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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>
This commit is contained in:
Dominik Brodowski 2010-01-01 17:40:49 +01:00 • committed by Jesse Barnes
parent 93da620226
commit b26b2d494b
21 changed files with 102 additions and 95 deletions
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14
kernel/resource.c
View file

@ -303,8 +303,10 @@ int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
static int find_resource(struct resource *root, struct resource *new,
resource_size_t size, resource_size_t min,
resource_size_t max, resource_size_t align,
void (*alignf)(void *, struct resource *,
resource_size_t, resource_size_t),
resource_size_t (*alignf)(void *,
struct resource *,
resource_size_t,
resource_size_t),
void *alignf_data)
{
struct resource *this = root->child;
@ -330,7 +332,7 @@ static int find_resource(struct resource *root, struct resource *new,
tmp.end = max;
tmp.start = ALIGN(tmp.start, align);
if (alignf)
alignf(alignf_data, &tmp, size, align);
tmp.start = alignf(alignf_data, &tmp, size, align);
if (tmp.start < tmp.end && tmp.end - tmp.start >= size - 1) {
new->start = tmp.start;
new->end = tmp.start + size - 1;
@ -358,8 +360,10 @@ static int find_resource(struct resource *root, struct resource *new,
int allocate_resource(struct resource *root, struct resource *new,
resource_size_t size, resource_size_t min,
resource_size_t max, resource_size_t align,
void (*alignf)(void *, struct resource *,
resource_size_t, resource_size_t),
resource_size_t (*alignf)(void *,
struct resource *,
resource_size_t,
resource_size_t),
void *alignf_data)
{
int err;