1 files changed, 0 insertions, 9 deletions

diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c
index 72919aeef42b..0bcc0b1cfddc 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;
 }