[PATCH 3.4 166/172] PCI: Convert pcibios_resource_to_bus() to take a pci_bus, not a pci_dev

From: lizf
Date: Tue Jun 16 2015 - 04:50:41 EST

From: Yinghai Lu <yinghai@xxxxxxxxxx>

3.4.108-rc1 review patch. If anyone has any objections, please let me know.

------------------


commit fc2798502f860b18f3c7121e4dc659d3d9d28d74 upstream.

These interfaces:

pcibios_resource_to_bus(struct pci_dev *dev, *bus_region, *resource)
pcibios_bus_to_resource(struct pci_dev *dev, *resource, *bus_region)

took a pci_dev, but they really depend only on the pci_bus. And we want to
use them in resource allocation paths where we have the bus but not a
device, so this patch converts them to take the pci_bus instead of the
pci_dev:

pcibios_resource_to_bus(struct pci_bus *bus, *bus_region, *resource)
pcibios_bus_to_resource(struct pci_bus *bus, *resource, *bus_region)

In fact, with standard PCI-PCI bridges, they only depend on the host
bridge, because that's the only place address translation occurs, but
we aren't going that far yet.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Dirk Behme <dirk.behme@xxxxxxxxx>
[lizf: Backported to 3.4:
- make changes to pci_host_bridge() instead of find_pci_root_bus()
- adjust context]
Signed-off-by: Zefan Li <lizefan@xxxxxxxxxx>
---
arch/alpha/kernel/pci-sysfs.c | 4 ++--
arch/powerpc/kernel/pci_of_scan.c | 4 ++--
arch/powerpc/platforms/powernv/pci-ioda.c | 4 ++--
arch/sparc/kernel/pci.c | 12 ++++++------
drivers/pci/probe.c | 32 +++++++++++++++----------------
drivers/pci/quirks.c | 2 +-
drivers/pci/rom.c | 2 +-
drivers/pci/setup-bus.c | 14 +++++++-------
drivers/pci/setup-res.c | 2 +-
drivers/pcmcia/i82092.c | 2 +-
drivers/pcmcia/yenta_socket.c | 6 +++---
drivers/scsi/sym53c8xx_2/sym_glue.c | 5 +++--
drivers/video/arkfb.c | 2 +-
drivers/video/s3fb.c | 2 +-
drivers/video/vt8623fb.c | 2 +-
include/linux/pci.h | 4 ++--
16 files changed, 49 insertions(+), 50 deletions(-)

diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 53649c7..1a33355 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -84,7 +84,7 @@ static int pci_mmap_resource(struct kobject *kobj,
if (iomem_is_exclusive(res->start))
return -EINVAL;

- pcibios_resource_to_bus(pdev, &bar, res);
+ pcibios_resource_to_bus(pdev->bus, &bar, res);
vma->vm_pgoff += bar.start >> (PAGE_SHIFT - (sparse ? 5 : 0));
mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io;

@@ -140,7 +140,7 @@ static int sparse_mem_mmap_fits(struct pci_dev *pdev, int num)
long dense_offset;
unsigned long sparse_size;

- pcibios_resource_to_bus(pdev, &bar, &pdev->resource[num]);
+ pcibios_resource_to_bus(pdev->bus, &bar, &pdev->resource[num]);

/* All core logic chips have 4G sparse address space, except
CIA which has 16G (see xxx_SPARSE_MEM and xxx_DENSE_MEM
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index 89dde17..55551a8 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -111,7 +111,7 @@ static void of_pci_parse_addrs(struct device_node *node, struct pci_dev *dev)
res->name = pci_name(dev);
region.start = base;
region.end = base + size - 1;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
}

@@ -276,7 +276,7 @@ void __devinit of_scan_pci_bridge(struct pci_dev *dev)
res->flags = flags;
region.start = of_read_number(&ranges[1], 2);
region.end = region.start + size - 1;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus),
bus->number);
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 5da8e8d..79a17f7 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -392,7 +392,7 @@ static void __devinit pnv_ioda_setup_pe_segments(struct pci_dev *dev)

/* Setup IO segments */
if (io_res.start < io_res.end) {
- pcibios_resource_to_bus(dev, &region, &io_res);
+ pcibios_resource_to_bus(dev->bus, &region, &io_res);
pos = region.start;
i = pos / phb->ioda.io_segsize;
while(i < phb->ioda.total_pe && pos <= region.end) {
@@ -422,7 +422,7 @@ static void __devinit pnv_ioda_setup_pe_segments(struct pci_dev *dev)

/* Setup M32 segments */
if (m32_res.start < m32_res.end) {
- pcibios_resource_to_bus(dev, &region, &m32_res);
+ pcibios_resource_to_bus(dev->bus, &region, &m32_res);
pos = region.start;
i = pos / phb->ioda.m32_segsize;
while(i < phb->ioda.total_pe && pos <= region.end) {
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 8c5c9a5..ab5f471 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -409,7 +409,7 @@ static void __devinit pci_cfg_fake_ranges(struct pci_dev *dev,
res2.flags = res->flags;
region.start = base;
region.end = limit + 0xfff;
- pcibios_bus_to_resource(dev, &res2, &region);
+ pcibios_bus_to_resource(dev->bus, &res2, &region);
if (!res->start)
res->start = res2.start;
if (!res->end)
@@ -427,7 +427,7 @@ static void __devinit pci_cfg_fake_ranges(struct pci_dev *dev,
IORESOURCE_MEM);
region.start = base;
region.end = limit + 0xfffff;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}

pci_read_config_word(dev, PCI_PREF_MEMORY_BASE, &mem_base_lo);
@@ -458,7 +458,7 @@ static void __devinit pci_cfg_fake_ranges(struct pci_dev *dev,
IORESOURCE_MEM | IORESOURCE_PREFETCH);
region.start = base;
region.end = limit + 0xfffff;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
}

@@ -480,7 +480,7 @@ static void __devinit apb_fake_ranges(struct pci_dev *dev,
res->flags = IORESOURCE_IO;
region.start = (first << 21);
region.end = (last << 21) + ((1 << 21) - 1);
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);

pci_read_config_byte(dev, APB_MEM_ADDRESS_MAP, &map);
apb_calc_first_last(map, &first, &last);
@@ -488,7 +488,7 @@ static void __devinit apb_fake_ranges(struct pci_dev *dev,
res->flags = IORESOURCE_MEM;
region.start = (first << 29);
region.end = (last << 29) + ((1 << 29) - 1);
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}

static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm,
@@ -579,7 +579,7 @@ static void __devinit of_scan_pci_bridge(struct pci_pbm_info *pbm,
res->flags = flags;
region.start = GET_64BIT(ranges, 1);
region.end = region.start + size - 1;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
after_ranges:
sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus),
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index d62ad0b..868440f 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -44,12 +44,10 @@ int no_pci_devices(void)
}
EXPORT_SYMBOL(no_pci_devices);

-static struct pci_host_bridge *pci_host_bridge(struct pci_dev *dev)
+static struct pci_host_bridge *pci_host_bridge(struct pci_bus *bus)
{
- struct pci_bus *bus;
struct pci_host_bridge *bridge;

- bus = dev->bus;
while (bus->parent)
bus = bus->parent;

@@ -66,10 +64,10 @@ static bool resource_contains(struct resource *res1, struct resource *res2)
return res1->start <= res2->start && res1->end >= res2->end;
}

-void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+void pcibios_resource_to_bus(struct pci_bus *bus, struct pci_bus_region *region,
struct resource *res)
{
- struct pci_host_bridge *bridge = pci_host_bridge(dev);
+ struct pci_host_bridge *bridge = pci_host_bridge(bus);
struct pci_host_bridge_window *window;
resource_size_t offset = 0;

@@ -94,10 +92,10 @@ static bool region_contains(struct pci_bus_region *region1,
return region1->start <= region2->start && region1->end >= region2->end;
}

-void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res,
struct pci_bus_region *region)
{
- struct pci_host_bridge *bridge = pci_host_bridge(dev);
+ struct pci_host_bridge *bridge = pci_host_bridge(bus);
struct pci_host_bridge_window *window;
struct pci_bus_region bus_region;
resource_size_t offset = 0;
@@ -298,11 +296,11 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
pci_write_config_dword(dev, pos + 4, 0);
region.start = 0;
region.end = sz64;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
} else {
region.start = l64;
region.end = l64 + sz64;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
dev_printk(KERN_DEBUG, &dev->dev, "reg %x: %pR\n",
pos, res);
}
@@ -314,7 +312,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,

region.start = l;
region.end = l + sz;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);

dev_printk(KERN_DEBUG, &dev->dev, "reg %x: %pR\n", pos, res);
}
@@ -373,7 +371,7 @@ static void __devinit pci_read_bridge_io(struct pci_bus *child)
res2.flags = res->flags;
region.start = base;
region.end = limit + 0xfff;
- pcibios_bus_to_resource(dev, &res2, &region);
+ pcibios_bus_to_resource(dev->bus, &res2, &region);
if (!res->start)
res->start = res2.start;
if (!res->end)
@@ -399,7 +397,7 @@ static void __devinit pci_read_bridge_mmio(struct pci_bus *child)
res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM;
region.start = base;
region.end = limit + 0xfffff;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res);
}
}
@@ -448,7 +446,7 @@ static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child)
res->flags |= IORESOURCE_MEM_64;
region.start = base;
region.end = limit + 0xfffff;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res);
}
}
@@ -1063,24 +1061,24 @@ int pci_setup_device(struct pci_dev *dev)
region.end = 0x1F7;
res = &dev->resource[0];
res->flags = LEGACY_IO_RESOURCE;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
region.start = 0x3F6;
region.end = 0x3F6;
res = &dev->resource[1];
res->flags = LEGACY_IO_RESOURCE;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
if ((progif & 4) == 0) {
region.start = 0x170;
region.end = 0x177;
res = &dev->resource[2];
res->flags = LEGACY_IO_RESOURCE;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
region.start = 0x376;
region.end = 0x376;
res = &dev->resource[3];
res->flags = LEGACY_IO_RESOURCE;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
}
break;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index ffde183..c030024 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -393,7 +393,7 @@ static void __devinit quirk_io_region(struct pci_dev *dev, unsigned region,
/* Convert from PCI bus to resource space. */
bus_region.start = res->start;
bus_region.end = res->end;
- pcibios_bus_to_resource(dev, res, &bus_region);
+ pcibios_bus_to_resource(dev->bus, res, &bus_region);

if (pci_claim_resource(dev, nr) == 0)
dev_info(&dev->dev, "quirk: %pR claimed by %s\n",
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index e31659c..336b999 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -31,7 +31,7 @@ int pci_enable_rom(struct pci_dev *pdev)
if (!res->flags)
return -1;

- pcibios_resource_to_bus(pdev, &region, res);
+ pcibios_resource_to_bus(pdev->bus, &region, res);
pci_read_config_dword(pdev, pdev->rom_base_reg, &rom_addr);
rom_addr &= ~PCI_ROM_ADDRESS_MASK;
rom_addr |= region.start | PCI_ROM_ADDRESS_ENABLE;
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 8fa2d4b..244ada4 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -408,7 +408,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
bus->secondary, bus->subordinate);

res = bus->resource[0];
- pcibios_resource_to_bus(bridge, &region, res);
+ pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_IO) {
/*
* The IO resource is allocated a range twice as large as it
@@ -422,7 +422,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
}

res = bus->resource[1];
- pcibios_resource_to_bus(bridge, &region, res);
+ pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_IO) {
dev_info(&bridge->dev, " bridge window %pR\n", res);
pci_write_config_dword(bridge, PCI_CB_IO_BASE_1,
@@ -432,7 +432,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
}

res = bus->resource[2];
- pcibios_resource_to_bus(bridge, &region, res);
+ pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_MEM) {
dev_info(&bridge->dev, " bridge window %pR\n", res);
pci_write_config_dword(bridge, PCI_CB_MEMORY_BASE_0,
@@ -442,7 +442,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
}

res = bus->resource[3];
- pcibios_resource_to_bus(bridge, &region, res);
+ pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_MEM) {
dev_info(&bridge->dev, " bridge window %pR\n", res);
pci_write_config_dword(bridge, PCI_CB_MEMORY_BASE_1,
@@ -473,7 +473,7 @@ static void pci_setup_bridge_io(struct pci_bus *bus)

/* Set up the top and bottom of the PCI I/O segment for this bus. */
res = bus->resource[0];
- pcibios_resource_to_bus(bridge, &region, res);
+ pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_IO) {
pci_read_config_dword(bridge, PCI_IO_BASE, &l);
l &= 0xffff0000;
@@ -504,7 +504,7 @@ static void pci_setup_bridge_mmio(struct pci_bus *bus)

/* Set up the top and bottom of the PCI Memory segment for this bus. */
res = bus->resource[1];
- pcibios_resource_to_bus(bridge, &region, res);
+ pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_MEM) {
l = (region.start >> 16) & 0xfff0;
l |= region.end & 0xfff00000;
@@ -530,7 +530,7 @@ static void pci_setup_bridge_mmio_pref(struct pci_bus *bus)
/* Set up PREF base/limit. */
bu = lu = 0;
res = bus->resource[2];
- pcibios_resource_to_bus(bridge, &region, res);
+ pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_PREFETCH) {
l = (region.start >> 16) & 0xfff0;
l |= region.end & 0xfff00000;
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index be76eba..d427277 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -50,7 +50,7 @@ void pci_update_resource(struct pci_dev *dev, int resno)
if (res->flags & IORESOURCE_PCI_FIXED)
return;

- pcibios_resource_to_bus(dev, &region, res);
+ pcibios_resource_to_bus(dev->bus, &region, res);

new = region.start | (res->flags & PCI_REGION_FLAG_MASK);
if (res->flags & IORESOURCE_IO)
diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c
index 4e8831b..099034b 100644
--- a/drivers/pcmcia/i82092.c
+++ b/drivers/pcmcia/i82092.c
@@ -610,7 +610,7 @@ static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_

enter("i82092aa_set_mem_map");

- pcibios_resource_to_bus(sock_info->dev, &region, mem->res);
+ pcibios_resource_to_bus(sock_info->dev->bus, &region, mem->res);

map = mem->map;
if (map > 4) {
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index d07f9ac..13e76f9 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -445,7 +445,7 @@ static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *
unsigned int start, stop, card_start;
unsigned short word;

- pcibios_resource_to_bus(socket->dev, &region, mem->res);
+ pcibios_resource_to_bus(socket->dev->bus, &region, mem->res);

map = mem->map;
start = region.start;
@@ -709,7 +709,7 @@ static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type
region.start = config_readl(socket, addr_start) & mask;
region.end = config_readl(socket, addr_end) | ~mask;
if (region.start && region.end > region.start && !override_bios) {
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
return 0;
dev_printk(KERN_INFO, &dev->dev,
@@ -1033,7 +1033,7 @@ static void yenta_config_init(struct yenta_socket *socket)
struct pci_dev *dev = socket->dev;
struct pci_bus_region region;

- pcibios_resource_to_bus(socket->dev, &region, &dev->resource[0]);
+ pcibios_resource_to_bus(socket->dev->bus, &region, &dev->resource[0]);

config_writel(socket, CB_LEGACY_MODE_BASE, 0);
config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 36d1ed7..1e3d789 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -1609,7 +1609,7 @@ sym_iomap_device(struct sym_device *device)
struct pci_bus_region bus_addr;
int i = 2;

- pcibios_resource_to_bus(pdev, &bus_addr, &pdev->resource[1]);
+ pcibios_resource_to_bus(pdev->bus, &bus_addr, &pdev->resource[1]);
device->mmio_base = bus_addr.start;

if (device->chip.features & FE_RAM) {
@@ -1619,7 +1619,8 @@ sym_iomap_device(struct sym_device *device)
*/
if (!pdev->resource[i].flags)
i++;
- pcibios_resource_to_bus(pdev, &bus_addr, &pdev->resource[i]);
+ pcibios_resource_to_bus(pdev->bus, &bus_addr,
+ &pdev->resource[i]);
device->ram_base = bus_addr.start;
}

diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c
index 555dd4c..65196fe 100644
--- a/drivers/video/arkfb.c
+++ b/drivers/video/arkfb.c
@@ -1014,7 +1014,7 @@ static int __devinit ark_pci_probe(struct pci_dev *dev, const struct pci_device_

vga_res.flags = IORESOURCE_IO;

- pcibios_bus_to_resource(dev, &vga_res, &bus_reg);
+ pcibios_bus_to_resource(dev->bus, &vga_res, &bus_reg);

par->state.vgabase = (void __iomem *) vga_res.start;

diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index 2c80246..7b7af8c 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -1172,7 +1172,7 @@ static int __devinit s3_pci_probe(struct pci_dev *dev, const struct pci_device_i

vga_res.flags = IORESOURCE_IO;

- pcibios_bus_to_resource(dev, &vga_res, &bus_reg);
+ pcibios_bus_to_resource(dev->bus, &vga_res, &bus_reg);

par->state.vgabase = (void __iomem *) vga_res.start;

diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c
index 4e74d26..dfecf02 100644
--- a/drivers/video/vt8623fb.c
+++ b/drivers/video/vt8623fb.c
@@ -727,7 +727,7 @@ static int __devinit vt8623_pci_probe(struct pci_dev *dev, const struct pci_devi

vga_res.flags = IORESOURCE_IO;

- pcibios_bus_to_resource(dev, &vga_res, &bus_reg);
+ pcibios_bus_to_resource(dev->bus, &vga_res, &bus_reg);

par->state.vgabase = (void __iomem *) vga_res.start;

diff --git a/include/linux/pci.h b/include/linux/pci.h
index e444f5b..469c953 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -648,9 +648,9 @@ void pci_fixup_cardbus(struct pci_bus *);

/* Generic PCI functions used internally */

-void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+void pcibios_resource_to_bus(struct pci_bus *bus, struct pci_bus_region *region,
struct resource *res);
-void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res,
struct pci_bus_region *region);
void pcibios_scan_specific_bus(int busn);
extern struct pci_bus *pci_find_bus(int domain, int busnr);
--
1.9.1

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