[PATCH 11/24] x86, PCI: put busn resource in pci_root_info for no_crs path

From: Yinghai Lu
Date: Tue Feb 28 2012 - 17:12:40 EST


will put it in resources list and pass it for create_root_bus

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
arch/x86/pci/broadcom_bus.c | 4 +---
arch/x86/pci/bus_numa.c | 19 +++++++++++--------
arch/x86/pci/bus_numa.h | 3 +--
3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/x86/pci/broadcom_bus.c b/arch/x86/pci/broadcom_bus.c
index ec5c66f..1f7223b 100644
--- a/arch/x86/pci/broadcom_bus.c
+++ b/arch/x86/pci/broadcom_bus.c
@@ -27,13 +27,11 @@ static void __init cnb20le_res(u8 bus, u8 slot, u8 func)
u16 word1, word2;
u8 fbus, lbus;

- info = alloc_pci_root_info(0, 0, 0, 0);

/* read the PCI bus numbers */
fbus = read_pci_config_byte(bus, slot, func, 0x44);
lbus = read_pci_config_byte(bus, slot, func, 0x45);
- info->bus_min = fbus;
- info->bus_max = lbus;
+ info = alloc_pci_root_info(fbus, lbus, 0, 0);

/*
* Add the legacy IDE ports on bus 0
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
index df0c552..543086f 100644
--- a/arch/x86/pci/bus_numa.c
+++ b/arch/x86/pci/bus_numa.c
@@ -14,7 +14,7 @@ static struct pci_root_info *x86_find_pci_root_info(int bus)
return NULL;

list_for_each_entry(info, &pci_root_infos, list)
- if (info->bus_min == bus)
+ if (info->busn.start == bus)
return info;

return NULL;
@@ -31,6 +31,8 @@ void x86_pci_root_bus_resources(int bus, struct list_head *resources)
printk(KERN_DEBUG "PCI: root bus %02x: hardware-probed resources\n",
bus);

+ pci_add_resource(resources, &info->busn);
+
list_for_each_entry(root_res, &info->resources, list) {
struct resource *res;
struct resource *root;
@@ -54,6 +56,7 @@ default_resources:
printk(KERN_DEBUG "PCI: root bus %02x: using default resources\n", bus);
pci_add_resource(resources, &ioport_resource);
pci_add_resource(resources, &iomem_resource);
+ pci_add_resource(resources, &busn_resource);
}

struct pci_root_info __init *alloc_pci_root_info(int bus_min, int bus_max,
@@ -67,8 +70,9 @@ struct pci_root_info __init *alloc_pci_root_info(int bus_min, int bus_max,
return info;

INIT_LIST_HEAD(&info->resources);
- info->bus_min = bus_min;
- info->bus_max = bus_max;
+ info->busn.start = bus_min;
+ info->busn.end = bus_max;
+ info->busn.flags = IORESOURCE_BUS;
info->node = node;
info->link = link;

@@ -80,14 +84,13 @@ struct pci_root_info __init *alloc_pci_root_info(int bus_min, int bus_max,
void print_pci_root_info(struct pci_root_info *info, char *name, bool nodelink)
{
struct pci_root_res *root_res;
- int busnum = info->bus_min;
+ int busnum = info->busn.start;

if (!nodelink)
- printk(KERN_DEBUG "%s: [%02x, %02x]\n", name,
- info->bus_min, info->bus_max);
+ printk(KERN_DEBUG "%s: %pR\n", name, &info->busn);
else
- printk(KERN_DEBUG "%s: [%02x, %02x] on node %x link %x\n", name,
- info->bus_min, info->bus_max, info->node, info->link);
+ printk(KERN_DEBUG "%s: %pR on node %x link %x\n", name,
+ &info->busn, info->node, info->link);

list_for_each_entry(root_res, &info->resources, list)
printk(KERN_DEBUG "%s: %02x %pR\n", name, busnum,
diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h
index deada6a..f9919c3 100644
--- a/arch/x86/pci/bus_numa.h
+++ b/arch/x86/pci/bus_numa.h
@@ -13,8 +13,7 @@ struct pci_root_info {
struct list_head list;
char name[12];
struct list_head resources;
- int bus_min;
- int bus_max;
+ struct resource busn;
int node;
int link;
};
--
1.7.7

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