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Message-ID: <20140107005526.10786.92444.stgit@bhelgaas-glaptop.roam.corp.google.com>
Date: Mon, 06 Jan 2014 17:55:26 -0700
From: Bjorn Helgaas <bhelgaas@...gle.com>
To: linux-pci@...r.kernel.org, Daniel Vetter <daniel.vetter@...ll.ch>
Cc: David Airlie <airlied@...ux.ie>, Yinghai Lu <yinghai@...nel.org>,
Guo Chao <yan@...ux.vnet.ibm.com>, linux-kernel@...r.kernel.org
Subject: [PATCH v7 02/15] PCI: Convert pcibios_resource_to_bus() to take a
pci_bus, not a pci_dev
From: Yinghai Lu <yinghai@...nel.org>
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@...nel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
arch/alpha/kernel/pci-sysfs.c | 4 ++--
arch/powerpc/kernel/pci-common.c | 4 ++--
arch/powerpc/kernel/pci_of_scan.c | 4 ++--
arch/sparc/kernel/pci.c | 6 +++---
drivers/pci/host-bridge.c | 19 ++++++++-----------
drivers/pci/probe.c | 18 +++++++++---------
drivers/pci/quirks.c | 2 +-
drivers/pci/rom.c | 2 +-
drivers/pci/setup-bus.c | 16 ++++++++--------
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 ++--
17 files changed, 49 insertions(+), 51 deletions(-)
diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 2b183b0d3207..99e8d4796c96 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -83,7 +83,7 @@ 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;
@@ -139,7 +139,7 @@ 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-common.c b/arch/powerpc/kernel/pci-common.c
index a1e3e40ca3fd..d9476c1fc959 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -835,7 +835,7 @@ static void pcibios_fixup_resources(struct pci_dev *dev)
* at 0 as unset as well, except if PCI_PROBE_ONLY is also set
* since in that case, we don't want to re-assign anything
*/
- pcibios_resource_to_bus(dev, ®, res);
+ pcibios_resource_to_bus(dev->bus, ®, res);
if (pci_has_flag(PCI_REASSIGN_ALL_RSRC) ||
(reg.start == 0 && !pci_has_flag(PCI_PROBE_ONLY))) {
/* Only print message if not re-assigning */
@@ -886,7 +886,7 @@ static int pcibios_uninitialized_bridge_resource(struct pci_bus *bus,
/* Job is a bit different between memory and IO */
if (res->flags & IORESOURCE_MEM) {
- pcibios_resource_to_bus(dev, ®ion, res);
+ pcibios_resource_to_bus(dev->bus, ®ion, res);
/* If the BAR is non-0 then it's probably been initialized */
if (region.start != 0)
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index ac0b034f9ae0..83c26d829991 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
}
}
@@ -280,7 +280,7 @@ void 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
}
sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus),
bus->number);
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index cb021453de2a..7de8d1f590b7 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -392,7 +392,7 @@ static void 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
pci_read_config_byte(dev, APB_MEM_ADDRESS_MAP, &map);
apb_calc_first_last(map, &first, &last);
@@ -400,7 +400,7 @@ static void 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
}
static void pci_of_scan_bus(struct pci_pbm_info *pbm,
@@ -491,7 +491,7 @@ static void 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
}
after_ranges:
sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus),
diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index a68dc613a5be..06ace6248c61 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -9,22 +9,19 @@
#include "pci.h"
-static struct pci_bus *find_pci_root_bus(struct pci_dev *dev)
+static struct pci_bus *find_pci_root_bus(struct pci_bus *bus)
{
- struct pci_bus *bus;
-
- bus = dev->bus;
while (bus->parent)
bus = bus->parent;
return bus;
}
-static struct pci_host_bridge *find_pci_host_bridge(struct pci_dev *dev)
+static struct pci_host_bridge *find_pci_host_bridge(struct pci_bus *bus)
{
- struct pci_bus *bus = find_pci_root_bus(dev);
+ struct pci_bus *root_bus = find_pci_root_bus(bus);
- return to_pci_host_bridge(bus->bridge);
+ return to_pci_host_bridge(root_bus->bridge);
}
void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
@@ -40,10 +37,10 @@ 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 = find_pci_host_bridge(dev);
+ struct pci_host_bridge *bridge = find_pci_host_bridge(bus);
struct pci_host_bridge_window *window;
resource_size_t offset = 0;
@@ -68,10 +65,10 @@ 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 = find_pci_host_bridge(dev);
+ struct pci_host_bridge *bridge = find_pci_host_bridge(bus);
struct pci_host_bridge_window *window;
resource_size_t offset = 0;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 38e403dddf6e..f049e3f53fcc 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -269,8 +269,8 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
region.end = l + sz;
}
- pcibios_bus_to_resource(dev, res, ®ion);
- pcibios_resource_to_bus(dev, &inverted_region, res);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
+ pcibios_resource_to_bus(dev->bus, &inverted_region, res);
/*
* If "A" is a BAR value (a bus address), "bus_to_resource(A)" is
@@ -364,7 +364,7 @@ static void pci_read_bridge_io(struct pci_bus *child)
res->flags = (io_base_lo & PCI_IO_RANGE_TYPE_MASK) | IORESOURCE_IO;
region.start = base;
region.end = limit + io_granularity - 1;
- pcibios_bus_to_resource(dev, res, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res);
}
}
@@ -386,7 +386,7 @@ static void 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res);
}
}
@@ -436,7 +436,7 @@ static void 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res);
}
}
@@ -1084,24 +1084,24 @@ 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
region.start = 0x3F6;
region.end = 0x3F6;
res = &dev->resource[1];
res->flags = LEGACY_IO_RESOURCE;
- pcibios_bus_to_resource(dev, res, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
}
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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
region.start = 0x376;
region.end = 0x376;
res = &dev->resource[3];
res->flags = LEGACY_IO_RESOURCE;
- pcibios_bus_to_resource(dev, res, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
}
}
break;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b3b1b9aa8863..4ad6bf6c107b 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -343,7 +343,7 @@ static void quirk_io_region(struct pci_dev *dev, int port,
/* Convert from PCI bus to resource space */
bus_region.start = region;
bus_region.end = region + size - 1;
- pcibios_bus_to_resource(dev, res, &bus_region);
+ pcibios_bus_to_resource(dev->bus, res, &bus_region);
if (!pci_claim_resource(dev, nr))
dev_info(&dev->dev, "quirk: %pR claimed by %s\n", res, name);
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index c5d0a08a8747..5d595724e5f4 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, ®ion, res);
+ pcibios_resource_to_bus(pdev->bus, ®ion, 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 219a4106480a..79339822d80e 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -475,7 +475,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
&bus->busn_res);
res = bus->resource[0];
- pcibios_resource_to_bus(bridge, ®ion, res);
+ pcibios_resource_to_bus(bridge->bus, ®ion, res);
if (res->flags & IORESOURCE_IO) {
/*
* The IO resource is allocated a range twice as large as it
@@ -489,7 +489,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
}
res = bus->resource[1];
- pcibios_resource_to_bus(bridge, ®ion, res);
+ pcibios_resource_to_bus(bridge->bus, ®ion, 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,
@@ -499,7 +499,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
}
res = bus->resource[2];
- pcibios_resource_to_bus(bridge, ®ion, res);
+ pcibios_resource_to_bus(bridge->bus, ®ion, 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,
@@ -509,7 +509,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
}
res = bus->resource[3];
- pcibios_resource_to_bus(bridge, ®ion, res);
+ pcibios_resource_to_bus(bridge->bus, ®ion, 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,
@@ -546,7 +546,7 @@ 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, ®ion, res);
+ pcibios_resource_to_bus(bridge->bus, ®ion, res);
if (res->flags & IORESOURCE_IO) {
pci_read_config_dword(bridge, PCI_IO_BASE, &l);
l &= 0xffff0000;
@@ -578,7 +578,7 @@ 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, ®ion, res);
+ pcibios_resource_to_bus(bridge->bus, ®ion, res);
if (res->flags & IORESOURCE_MEM) {
l = (region.start >> 16) & 0xfff0;
l |= region.end & 0xfff00000;
@@ -604,7 +604,7 @@ 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, ®ion, res);
+ pcibios_resource_to_bus(bridge->bus, ®ion, res);
if (res->flags & IORESOURCE_PREFETCH) {
l = (region.start >> 16) & 0xfff0;
l |= region.end & 0xfff00000;
@@ -1422,7 +1422,7 @@ static int iov_resources_unassigned(struct pci_dev *dev, void *data)
if (!r->flags)
continue;
- pcibios_resource_to_bus(dev, ®ion, r);
+ pcibios_resource_to_bus(dev->bus, ®ion, r);
if (!region.start) {
*unassigned = true;
return 1; /* return early from pci_walk_bus() */
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 83c4d3bc47ab..5c060b152ce6 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -52,7 +52,7 @@ void pci_update_resource(struct pci_dev *dev, int resno)
if (res->flags & IORESOURCE_PCI_FIXED)
return;
- pcibios_resource_to_bus(dev, ®ion, res);
+ pcibios_resource_to_bus(dev->bus, ®ion, 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 519c4d6003a6..7d47456429a1 100644
--- a/drivers/pcmcia/i82092.c
+++ b/drivers/pcmcia/i82092.c
@@ -608,7 +608,7 @@ 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, ®ion, mem->res);
+ pcibios_resource_to_bus(sock_info->dev->bus, ®ion, mem->res);
map = mem->map;
if (map > 4) {
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index dc18a3a5e010..8485761e76af 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, ®ion, mem->res);
+ pcibios_resource_to_bus(socket->dev->bus, ®ion, 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, ®ion);
+ pcibios_bus_to_resource(dev->bus, res, ®ion);
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, ®ion, &dev->resource[0]);
+ pcibios_resource_to_bus(socket->dev->bus, ®ion, &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 bac55f7f69f9..6d3ee1ab6362 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -1531,7 +1531,7 @@ static int 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) {
@@ -1541,7 +1541,8 @@ static int 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 a6b29bd4a12a..adc4ea2cc5a0 100644
--- a/drivers/video/arkfb.c
+++ b/drivers/video/arkfb.c
@@ -1014,7 +1014,7 @@ static int ark_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
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 968b2997175a..9a3f8f1c6aab 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -1180,7 +1180,7 @@ static int s3_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
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 8bc6e0958a09..5c7cbc6c6236 100644
--- a/drivers/video/vt8623fb.c
+++ b/drivers/video/vt8623fb.c
@@ -729,7 +729,7 @@ static int vt8623_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
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 7d5555270491..bf32412704a7 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -737,9 +737,9 @@ 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);
struct pci_bus *pci_find_bus(int domain, int busnr);
--
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