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mn10300: Use pci_claim_resource

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Instead of open-coding pci_find_parent_resource and request_resource,
just call pci_claim_resource.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2010-10-27 17:28:34 +01:00 committed by David Howells
parent e4acfcac0f
commit dcd42ed3ea
1 changed files with 6 additions and 10 deletions
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16
arch/mn10300/unit-asb2305/pci-asb2305.c
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@ -93,7 +93,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
struct pci_bus *bus;
struct pci_dev *dev;
int idx;
struct resource *r, *pr;
struct resource *r;
/* Depth-First Search on bus tree */
list_for_each_entry(bus, bus_list, node) {
@ -105,10 +105,8 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
r = &dev->resource[idx];
if (!r->flags)
continue;
pr = pci_find_parent_resource(dev, r);
if (!r->start ||
!pr ||
request_resource(pr, r) < 0) {
pci_claim_resource(dev, idx) < 0) {
printk(KERN_ERR "PCI:"
" Cannot allocate resource"
" region %d of bridge %s\n",
@ -131,7 +129,7 @@ static void __init pcibios_allocate_resources(int pass)
struct pci_dev *dev = NULL;
int idx, disabled;
u16 command;
struct resource *r, *pr;
struct resource *r;
for_each_pci_dev(dev) {
pci_read_config_word(dev, PCI_COMMAND, &command);
@ -150,8 +148,7 @@ static void __init pcibios_allocate_resources(int pass)
" (f=%lx, d=%d, p=%d)\n",
pci_name(dev), r->start, r->end, r->flags,
disabled, pass);
pr = pci_find_parent_resource(dev, r);
if (!pr || request_resource(pr, r) < 0) {
if (pci_claim_resource(dev, idx) < 0) {
printk(KERN_ERR "PCI:"
" Cannot allocate resource"
" region %d of device %s\n",
@ -184,7 +181,7 @@ static void __init pcibios_allocate_resources(int pass)
static int __init pcibios_assign_resources(void)
{
struct pci_dev *dev = NULL;
struct resource *r, *pr;
struct resource *r;
if (!(pci_probe & PCI_ASSIGN_ROMS)) {
/* Try to use BIOS settings for ROMs, otherwise let
@ -194,8 +191,7 @@ static int __init pcibios_assign_resources(void)
r = &dev->resource[PCI_ROM_RESOURCE];
if (!r->flags || !r->start)
continue;
pr = pci_find_parent_resource(dev, r);
if (!pr || request_resource(pr, r) < 0) {
if (pci_claim_resource(dev, PCI_ROM_RESOURCE) < 0) {
r->end -= r->start;
r->start = 0;
}