- ret = request_irq(mac->dma_pdev->irq + mac->dma_txch,
- &pasemi_mac_tx_intr, IRQF_DISABLED,
+ /* Interrupts are a bit different for our DMA controller: While
+ * it's got one a regular PCI device header, the interrupt there
+ * is really the base of the range it's using. Each tx and rx
+ * channel has it's own interrupt source.
+ */
+
+ base_irq = virq_to_hw(mac->dma_pdev->irq);
+
+ mac->tx_irq = irq_create_mapping(NULL, base_irq + mac->dma_txch);
+ mac->rx_irq = irq_create_mapping(NULL, base_irq + 20 + mac->dma_txch);
+
+ ret = request_irq(mac->tx_irq, &pasemi_mac_tx_intr, IRQF_DISABLED,