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ARM: PCI: dove/kirkwood/mv78xx0: use sys->private_data 

Use sys->private_data to store the PCIe port data structure.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-03-10 13:31:34 +00:00
parent c23bfc3835
commit 43ba990bb7
3 changed files with 20 additions and 41 deletions
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23
arch/arm/mach-dove/pcie.c
View File

@ -43,6 +43,7 @@ static int __init dove_pcie_setup(int nr, struct pci_sys_data *sys)
return 0;
pp = &pcie_port[nr];
sys->private_data = pp;
pp->root_bus_nr = sys->busnr;
/*
@ -93,19 +94,6 @@ static int __init dove_pcie_setup(int nr, struct pci_sys_data *sys)
return 1;
}
static struct pcie_port *bus_to_port(int bus)
{
int i;
for (i = num_pcie_ports - 1; i >= 0; i--) {
int rbus = pcie_port[i].root_bus_nr;
if (rbus != -1 && rbus <= bus)
break;
}
return i >= 0 ? pcie_port + i : NULL;
}
static int pcie_valid_config(struct pcie_port *pp, int bus, int dev)
{
/*
@ -121,7 +109,8 @@ static int pcie_valid_config(struct pcie_port *pp, int bus, int dev)
static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
int size, u32 *val)
{
struct pcie_port *pp = bus_to_port(bus->number);
struct pci_sys_data *sys = bus->sysdata;
struct pcie_port *pp = sys->private_data;
unsigned long flags;
int ret;
@ -140,7 +129,8 @@ static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
static int pcie_wr_conf(struct pci_bus *bus, u32 devfn,
int where, int size, u32 val)
{
struct pcie_port *pp = bus_to_port(bus->number);
struct pci_sys_data *sys = bus->sysdata;
struct pcie_port *pp = sys->private_data;
unsigned long flags;
int ret;
@ -194,7 +184,8 @@ dove_pcie_scan_bus(int nr, struct pci_sys_data *sys)
static int __init dove_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
struct pcie_port *pp = bus_to_port(dev->bus->number);
struct pci_sys_data *sys = dev->sysdata;
struct pcie_port *pp = sys->private_data;
return pp->index ? IRQ_DOVE_PCIE1 : IRQ_DOVE_PCIE0;
}

15
arch/arm/mach-kirkwood/pcie.c
View File

@ -44,12 +44,6 @@ struct pcie_port {
static int pcie_port_map[2];
static int num_pcie_ports;
static inline struct pcie_port *bus_to_port(struct pci_bus *bus)
{
struct pci_sys_data *sys = bus->sysdata;
return sys->private_data;
}
static int pcie_valid_config(struct pcie_port *pp, int bus, int dev)
{
/*
@ -79,7 +73,8 @@ static int pcie_valid_config(struct pcie_port *pp, int bus, int dev)
static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
int size, u32 *val)
{
struct pcie_port *pp = bus_to_port(bus);
struct pci_sys_data *sys = bus->sysdata;
struct pcie_port *pp = sys->private_data;
unsigned long flags;
int ret;
@ -98,7 +93,8 @@ static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
static int pcie_wr_conf(struct pci_bus *bus, u32 devfn,
int where, int size, u32 val)
{
struct pcie_port *pp = bus_to_port(bus);
struct pci_sys_data *sys = bus->sysdata;
struct pcie_port *pp = sys->private_data;
unsigned long flags;
int ret;
@ -248,7 +244,8 @@ kirkwood_pcie_scan_bus(int nr, struct pci_sys_data *sys)
static int __init kirkwood_pcie_map_irq(const struct pci_dev *dev, u8 slot,
u8 pin)
{
struct pcie_port *pp = bus_to_port(dev->bus);
struct pci_sys_data *sys = dev->sysdata;
struct pcie_port *pp = sys->private_data;
return pp->irq;
}

23
arch/arm/mach-mv78xx0/pcie.c
View File

@ -147,6 +147,7 @@ static int __init mv78xx0_pcie_setup(int nr, struct pci_sys_data *sys)
return 0;
pp = &pcie_port[nr];
sys->private_data = pp;
pp->root_bus_nr = sys->busnr;
/*
@ -161,19 +162,6 @@ static int __init mv78xx0_pcie_setup(int nr, struct pci_sys_data *sys)
return 1;
}
static struct pcie_port *bus_to_port(int bus)
{
int i;
for (i = num_pcie_ports - 1; i >= 0; i--) {
int rbus = pcie_port[i].root_bus_nr;
if (rbus != -1 && rbus <= bus)
break;
}
return i >= 0 ? pcie_port + i : NULL;
}
static int pcie_valid_config(struct pcie_port *pp, int bus, int dev)
{
/*
@ -189,7 +177,8 @@ static int pcie_valid_config(struct pcie_port *pp, int bus, int dev)
static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
int size, u32 *val)
{
struct pcie_port *pp = bus_to_port(bus->number);
struct pci_sys_data *sys = bus->sysdata;
struct pcie_port *pp = sys->private_data;
unsigned long flags;
int ret;
@ -208,7 +197,8 @@ static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
static int pcie_wr_conf(struct pci_bus *bus, u32 devfn,
int where, int size, u32 val)
{
struct pcie_port *pp = bus_to_port(bus->number);
struct pci_sys_data *sys = bus->sysdata;
struct pcie_port *pp = sys->private_data;
unsigned long flags;
int ret;
@ -263,7 +253,8 @@ mv78xx0_pcie_scan_bus(int nr, struct pci_sys_data *sys)
static int __init mv78xx0_pcie_map_irq(const struct pci_dev *dev, u8 slot,
u8 pin)
{
struct pcie_port *pp = bus_to_port(dev->bus->number);
struct pci_sys_data *sys = dev->bus->sysdata;
struct pcie_port *pp = sys->private_data;
return IRQ_MV78XX0_PCIE_00 + (pp->maj << 2) + pp->min;
}