diff options
Diffstat (limited to 'arch/mips/pci')
| -rw-r--r-- | arch/mips/pci/pci-ar71xx.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c index e48dddbb4919..412ec025cf55 100644 --- a/arch/mips/pci/pci-ar71xx.c +++ b/arch/mips/pci/pci-ar71xx.c @@ -52,6 +52,7 @@ struct ar71xx_pci_controller { void __iomem *cfg_base; spinlock_t lock; int irq; + int irq_base; struct pci_controller pci_ctrl; struct resource io_res; struct resource mem_res; @@ -238,23 +239,26 @@ static struct pci_ops ar71xx_pci_ops = { static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) { + struct ar71xx_pci_controller *apc; void __iomem *base = ath79_reset_base; u32 pending; + apc = irq_get_handler_data(irq); + pending = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_STATUS) & __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); if (pending & AR71XX_PCI_INT_DEV0) - generic_handle_irq(ATH79_PCI_IRQ(0)); + generic_handle_irq(apc->irq_base + 0); else if (pending & AR71XX_PCI_INT_DEV1) - generic_handle_irq(ATH79_PCI_IRQ(1)); + generic_handle_irq(apc->irq_base + 1); else if (pending & AR71XX_PCI_INT_DEV2) - generic_handle_irq(ATH79_PCI_IRQ(2)); + generic_handle_irq(apc->irq_base + 2); else if (pending & AR71XX_PCI_INT_CORE) - generic_handle_irq(ATH79_PCI_IRQ(4)); + generic_handle_irq(apc->irq_base + 4); else spurious_interrupt(); @@ -262,10 +266,14 @@ static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) static void ar71xx_pci_irq_unmask(struct irq_data *d) { - unsigned int irq = d->irq - ATH79_PCI_IRQ_BASE; + struct ar71xx_pci_controller *apc; + unsigned int irq; void __iomem *base = ath79_reset_base; u32 t; + apc = irq_data_get_irq_chip_data(d); + irq = d->irq - apc->irq_base; + t = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); __raw_writel(t | (1 << irq), base + AR71XX_RESET_REG_PCI_INT_ENABLE); @@ -275,10 +283,14 @@ static void ar71xx_pci_irq_unmask(struct irq_data *d) static void ar71xx_pci_irq_mask(struct irq_data *d) { - unsigned int irq = d->irq - ATH79_PCI_IRQ_BASE; + struct ar71xx_pci_controller *apc; + unsigned int irq; void __iomem *base = ath79_reset_base; u32 t; + apc = irq_data_get_irq_chip_data(d); + irq = d->irq - apc->irq_base; + t = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); __raw_writel(t & ~(1 << irq), base + AR71XX_RESET_REG_PCI_INT_ENABLE); @@ -303,11 +315,15 @@ static void ar71xx_pci_irq_init(struct ar71xx_pci_controller *apc) BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR71XX_PCI_IRQ_COUNT); - for (i = ATH79_PCI_IRQ_BASE; - i < ATH79_PCI_IRQ_BASE + AR71XX_PCI_IRQ_COUNT; i++) + apc->irq_base = ATH79_PCI_IRQ_BASE; + for (i = apc->irq_base; + i < apc->irq_base + AR71XX_PCI_IRQ_COUNT; i++) { irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, handle_level_irq); + irq_set_chip_data(i, apc); + } + irq_set_handler_data(apc->irq, apc); irq_set_chained_handler(apc->irq, ar71xx_pci_irq_handler); } |