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path: root/arch/mips/pci/pci-rt3883.c
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Diffstat (limited to 'arch/mips/pci/pci-rt3883.c')
-rw-r--r--arch/mips/pci/pci-rt3883.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c
index 72919ae..0bcc0b1 100644
--- a/arch/mips/pci/pci-rt3883.c
+++ b/arch/mips/pci/pci-rt3883.c
@@ -61,7 +61,6 @@
struct rt3883_pci_controller {
void __iomem *base;
- spinlock_t lock;
struct device_node *intc_of_node;
struct irq_domain *irq_domain;
@@ -111,10 +110,8 @@ static u32 rt3883_pci_read_cfg32(struct rt3883_pci_controller *rpc,
address = rt3883_pci_get_cfgaddr(bus, slot, func, reg);
- spin_lock_irqsave(&rpc->lock, flags);
rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR);
ret = rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA);
- spin_unlock_irqrestore(&rpc->lock, flags);
return ret;
}
@@ -128,10 +125,8 @@ static void rt3883_pci_write_cfg32(struct rt3883_pci_controller *rpc,
address = rt3883_pci_get_cfgaddr(bus, slot, func, reg);
- spin_lock_irqsave(&rpc->lock, flags);
rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR);
rt3883_pci_w32(rpc, val, RT3883_PCI_REG_CFGDATA);
- spin_unlock_irqrestore(&rpc->lock, flags);
}
static void rt3883_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
@@ -252,10 +247,8 @@ static int rt3883_pci_config_read(struct pci_bus *bus, unsigned int devfn,
address = rt3883_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn),
PCI_FUNC(devfn), where);
- spin_lock_irqsave(&rpc->lock, flags);
rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR);
data = rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA);
- spin_unlock_irqrestore(&rpc->lock, flags);
switch (size) {
case 1:
@@ -288,7 +281,6 @@ static int rt3883_pci_config_write(struct pci_bus *bus, unsigned int devfn,
address = rt3883_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn),
PCI_FUNC(devfn), where);
- spin_lock_irqsave(&rpc->lock, flags);
rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR);
data = rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA);
@@ -307,7 +299,6 @@ static int rt3883_pci_config_write(struct pci_bus *bus, unsigned int devfn,
}
rt3883_pci_w32(rpc, data, RT3883_PCI_REG_CFGDATA);
- spin_unlock_irqrestore(&rpc->lock, flags);
return PCIBIOS_SUCCESSFUL;
}