[PATCH 11/21] PCI: Add default busn_resource

From: Yinghai Lu
Date: Mon May 07 2012 - 16:32:35 EST


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

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
drivers/pci/probe.c | 7 +++++++
include/linux/pci.h | 2 ++
2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 6258f6f..68e75cb 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -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);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index b5f2cc7..84ce6da 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -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) */
--
1.7.7

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