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PCI: add default busn_resource

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We need to put into the resources list for legacy system.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yinghai Lu 2012-05-17 18:51:12 -07:00 committed by Bjorn Helgaas
parent 4d99f52423
commit 67cdc82728
2 changed files with 9 additions and 0 deletions
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7
drivers/pci/probe.c
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@ -16,6 +16,13 @@
#define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */
#define CARDBUS_RESERVE_BUSNR 3
struct resource busn_resource = {
.name = "PCI busn",
.start = 0,
.end = 255,
.flags = IORESOURCE_BUS,
};
/* Ugh. Need to stop exporting this to modules. */
LIST_HEAD(pci_root_buses);
EXPORT_SYMBOL(pci_root_buses);

2
include/linux/pci.h
View File

@ -368,6 +368,8 @@ static inline int pci_channel_offline(struct pci_dev *pdev)
return (pdev->error_state != pci_channel_io_normal);
}
extern struct resource busn_resource;
struct pci_host_bridge_window {
struct list_head list;
struct resource *res; /* host bridge aperture (CPU address) */