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authorRob Herring <robh@kernel.org>2015-01-09 20:34:46 -0600
committerBjorn Helgaas <bhelgaas@google.com>2015-01-30 16:14:43 -0600
commit21186728865ec0485fe874a175f99b375c859f2b (patch)
treead1c0ffbcc80e9b02c9f13bcd45c406a494b8caf /drivers/pci
parentb98fa508479589c3b0b003820bcec6a067db4bff (diff)
downloadlinux-21186728865ec0485fe874a175f99b375c859f2b.tar.bz2
PCI: generic: Convert to use generic config accessors
Convert the generic host PCI driver to use the generic config access functions. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Will Deacon <will.deacon@arm.com> CC: linux-arm-kernel@lists.infradead.org
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/host/pci-host-generic.c51
1 files changed, 3 insertions, 48 deletions
diff --git a/drivers/pci/host/pci-host-generic.c b/drivers/pci/host/pci-host-generic.c
index 6eb1aa75bd37..925e29e3d4c8 100644
--- a/drivers/pci/host/pci-host-generic.c
+++ b/drivers/pci/host/pci-host-generic.c
@@ -76,55 +76,9 @@ static struct gen_pci_cfg_bus_ops gen_pci_cfg_ecam_bus_ops = {
.map_bus = gen_pci_map_cfg_bus_ecam,
};
-static int gen_pci_config_read(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 *val)
-{
- void __iomem *addr;
- struct pci_sys_data *sys = bus->sysdata;
- struct gen_pci *pci = sys->private_data;
-
- addr = pci->cfg.ops->map_bus(bus, devfn, where);
-
- switch (size) {
- case 1:
- *val = readb(addr);
- break;
- case 2:
- *val = readw(addr);
- break;
- default:
- *val = readl(addr);
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int gen_pci_config_write(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 val)
-{
- void __iomem *addr;
- struct pci_sys_data *sys = bus->sysdata;
- struct gen_pci *pci = sys->private_data;
-
- addr = pci->cfg.ops->map_bus(bus, devfn, where);
-
- switch (size) {
- case 1:
- writeb(val, addr);
- break;
- case 2:
- writew(val, addr);
- break;
- default:
- writel(val, addr);
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
static struct pci_ops gen_pci_ops = {
- .read = gen_pci_config_read,
- .write = gen_pci_config_write,
+ .read = pci_generic_config_read,
+ .write = pci_generic_config_write,
};
static const struct of_device_id gen_pci_of_match[] = {
@@ -287,6 +241,7 @@ static int gen_pci_probe(struct platform_device *pdev)
of_id = of_match_node(gen_pci_of_match, np);
pci->cfg.ops = of_id->data;
+ gen_pci_ops.map_bus = pci->cfg.ops->map_bus;
pci->host.dev.parent = dev;
INIT_LIST_HEAD(&pci->host.windows);
INIT_LIST_HEAD(&pci->resources);