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>

1 files changed, 7 insertions, 16 deletions

diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c
index 53f2fb5607f..2e56e86b6d6 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;
 }