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-rw-r--r--arch/arm/mach-integrator/pci_v3.c62
1 files changed, 5 insertions, 57 deletions
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index c186a17c2cff..2565f0e7b5cf 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -356,7 +356,6 @@ static u64 pre_mem_pci_sz;
* 7:2 register number
*
*/
-static DEFINE_RAW_SPINLOCK(v3_lock);
#undef V3_LB_BASE_PREFETCH
#define V3_LB_BASE_PREFETCH 0
@@ -457,67 +456,21 @@ static void v3_close_config_window(void)
static int v3_read_config(struct pci_bus *bus, unsigned int devfn, int where,
int size, u32 *val)
{
- void __iomem *addr;
- unsigned long flags;
- u32 v;
-
- raw_spin_lock_irqsave(&v3_lock, flags);
- addr = v3_open_config_window(bus, devfn, where);
-
- switch (size) {
- case 1:
- v = __raw_readb(addr);
- break;
-
- case 2:
- v = __raw_readw(addr);
- break;
-
- default:
- v = __raw_readl(addr);
- break;
- }
-
+ int ret = pci_generic_config_read(bus, devfn, where, size, val);
v3_close_config_window();
- raw_spin_unlock_irqrestore(&v3_lock, flags);
-
- *val = v;
- return PCIBIOS_SUCCESSFUL;
+ return ret;
}
static int v3_write_config(struct pci_bus *bus, unsigned int devfn, int where,
int size, u32 val)
{
- void __iomem *addr;
- unsigned long flags;
-
- raw_spin_lock_irqsave(&v3_lock, flags);
- addr = v3_open_config_window(bus, devfn, where);
-
- switch (size) {
- case 1:
- __raw_writeb((u8)val, addr);
- __raw_readb(addr);
- break;
-
- case 2:
- __raw_writew((u16)val, addr);
- __raw_readw(addr);
- break;
-
- case 4:
- __raw_writel(val, addr);
- __raw_readl(addr);
- break;
- }
-
+ int ret = pci_generic_config_write(bus, devfn, where, size, val);
v3_close_config_window();
- raw_spin_unlock_irqrestore(&v3_lock, flags);
-
- return PCIBIOS_SUCCESSFUL;
+ return ret;
}
static struct pci_ops pci_v3_ops = {
+ .map_bus = v3_open_config_window,
.read = v3_read_config,
.write = v3_write_config,
};
@@ -658,7 +611,6 @@ static int __init pci_v3_setup(int nr, struct pci_sys_data *sys)
*/
static void __init pci_v3_preinit(void)
{
- unsigned long flags;
unsigned int temp;
phys_addr_t io_address = pci_pio_to_address(io_mem.start);
@@ -672,8 +624,6 @@ static void __init pci_v3_preinit(void)
hook_fault_code(8, v3_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
hook_fault_code(10, v3_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
- raw_spin_lock_irqsave(&v3_lock, flags);
-
/*
* Unlock V3 registers, but only if they were previously locked.
*/
@@ -736,8 +686,6 @@ static void __init pci_v3_preinit(void)
v3_writew(V3_LB_CFG, v3_readw(V3_LB_CFG) | (1 << 10));
v3_writeb(V3_LB_IMASK, 0x28);
__raw_writel(3, ap_syscon_base + INTEGRATOR_SC_PCIENABLE_OFFSET);
-
- raw_spin_unlock_irqrestore(&v3_lock, flags);
}
static void __init pci_v3_postinit(void)