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PCI: define PCI resource names in an 'enum'

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This patch moves all definitions of the PCI resource names to an 'enum',
and also replaces some hard-coded resource variables with symbol
names. This change eases introduction of device specific resources.

Reviewed-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Yu Zhao <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
This commit is contained in:
Yu Zhao 2008-11-22 02:39:32 +08:00 • committed by Jesse Barnes
commit fde09c6d8f
4 changed files with 32 additions and 18 deletions
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4
drivers/pci/pci-sysfs.c
View file

@ -102,11 +102,13 @@ resource_show(struct device * dev, struct device_attribute *attr, char * buf)
struct pci_dev * pci_dev = to_pci_dev(dev);
char * str = buf;
int i;
int max = 7;
int max;
resource_size_t start, end;
if (pci_dev->subordinate)
max = DEVICE_COUNT_RESOURCE;
else
max = PCI_BRIDGE_RESOURCES;
for (i = 0; i < max; i++) {
struct resource *res = &pci_dev->resource[i];

2
drivers/pci/probe.c
View file

@ -423,7 +423,7 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
child->subordinate = 0xff;
/* Set up default resource pointers and names.. */
for (i = 0; i < 4; i++) {
for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; i++) {
child->resource[i] = &bridge->resource[PCI_BRIDGE_RESOURCES+i];
child->resource[i]->name = child->name;
}

7
drivers/pci/proc.c
View file

@ -361,15 +361,16 @@ static int show_device(struct seq_file *m, void *v)
dev->vendor,
dev->device,
dev->irq);
/* Here should be 7 and not PCI_NUM_RESOURCES as we need to preserve compatibility */
for (i=0; i<7; i++) {
/* only print standard and ROM resources to preserve compatibility */
for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
resource_size_t start, end;
pci_resource_to_user(dev, i, &dev->resource[i], &start, &end);
seq_printf(m, "\t%16llx",
(unsigned long long)(start |
(dev->resource[i].flags & PCI_REGION_FLAG_MASK)));
}
for (i=0; i<7; i++) {
for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
resource_size_t start, end;
pci_resource_to_user(dev, i, &dev->resource[i], &start, &end);
seq_printf(m, "\t%16llx",