Commit 67cdc827 authored by Yinghai Lu's avatar Yinghai Lu Committed by Bjorn Helgaas
Browse files

PCI: add default busn_resource 



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

Signed-off-by: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 4d99f524

drivers/pci/probe.c

+7 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/pci.h

+2 −0
Original line number Diff line number Diff line
@@ -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) */