diff options
Diffstat (limited to 'arch/mips/pci')
| -rw-r--r-- | arch/mips/pci/pci-rt3883.c | 9 |
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; } |