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path: root/arch/mips/pci/pci-ar71xx.c
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Diffstat (limited to 'arch/mips/pci/pci-ar71xx.c')
-rw-r--r--arch/mips/pci/pci-ar71xx.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c
index d471a26dd5f8..2b534aea20e4 100644
--- a/arch/mips/pci/pci-ar71xx.c
+++ b/arch/mips/pci/pci-ar71xx.c
@@ -50,7 +50,6 @@
struct ar71xx_pci_controller {
void __iomem *cfg_base;
- spinlock_t lock;
int irq;
int irq_base;
struct pci_controller pci_ctrl;
@@ -182,7 +181,6 @@ static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
{
struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus);
void __iomem *base = apc->cfg_base;
- unsigned long flags;
u32 data;
int err;
int ret;
@@ -190,8 +188,6 @@ static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
ret = PCIBIOS_SUCCESSFUL;
data = ~0;
- spin_lock_irqsave(&apc->lock, flags);
-
err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size,
AR71XX_PCI_CFG_CMD_READ);
if (err)
@@ -199,8 +195,6 @@ static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
else
data = __raw_readl(base + AR71XX_PCI_REG_CFG_RDDATA);
- spin_unlock_irqrestore(&apc->lock, flags);
-
*value = (data >> (8 * (where & 3))) & ar71xx_pci_read_mask[size & 7];
return ret;
@@ -211,15 +205,12 @@ static int ar71xx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
{
struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus);
void __iomem *base = apc->cfg_base;
- unsigned long flags;
int err;
int ret;
value = value << (8 * (where & 3));
ret = PCIBIOS_SUCCESSFUL;
- spin_lock_irqsave(&apc->lock, flags);
-
err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size,
AR71XX_PCI_CFG_CMD_WRITE);
if (err)
@@ -227,8 +218,6 @@ static int ar71xx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
else
__raw_writel(value, base + AR71XX_PCI_REG_CFG_WRDATA);
- spin_unlock_irqrestore(&apc->lock, flags);
-
return ret;
}
@@ -360,8 +349,6 @@ static int ar71xx_pci_probe(struct platform_device *pdev)
if (!apc)
return -ENOMEM;
- spin_lock_init(&apc->lock);
-
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base");
apc->cfg_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(apc->cfg_base))