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>

3 files changed, 20 insertions, 41 deletions

diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c
index cebf6a30a5f1..47921b0cdc65 100644
--- a/arch/arm/mach-dove/pcie.c
+++ b/arch/arm/mach-dove/pcie.c
@@ -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;
 }
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
index b1034b028673..de373176ee67 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -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;
 }
diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c
index 53f2fb5607f9..2e56e86b6d68 100644
--- a/arch/arm/mach-mv78xx0/pcie.c
+++ b/arch/arm/mach-mv78xx0/pcie.c
@@ -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;
 }