diff options
| author | Olof Johansson <olof@lixom.net> | 2007-05-08 00:47:21 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-05-08 01:47:53 -0400 |
| commit | 771f7404a9deca902594823d616cd7a84f827982 (patch) | |
| tree | 438332343f0737316277e278de663d40ddedb940 /drivers/net/pasemi_mac.c | |
| parent | 418aea75246d5f83caa3a003fd66fe3b1aa01738 (diff) | |
pasemi_mac: Move the IRQ mapping from the PCI layer to the driver
Fixes for ethernet IRQ mapping, to be done in the driver instead of in
the platform setup code.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/pasemi_mac.c')
| -rw-r--r-- | drivers/net/pasemi_mac.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index bde833542b6f..c7995d77ccfc 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -33,6 +33,8 @@ #include <linux/tcp.h> #include <net/checksum.h> +#include <asm/irq.h> + #include "pasemi_mac.h" @@ -531,6 +533,7 @@ static irqreturn_t pasemi_mac_tx_intr(int irq, void *data) static int pasemi_mac_open(struct net_device *dev) { struct pasemi_mac *mac = netdev_priv(dev); + int base_irq; unsigned int flags; int ret; @@ -594,28 +597,37 @@ static int pasemi_mac_open(struct net_device *dev) netif_start_queue(dev); netif_poll_enable(dev); - 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, mac->tx->irq_name, dev); if (ret) { dev_err(&mac->pdev->dev, "request_irq of irq %d failed: %d\n", - mac->dma_pdev->irq + mac->dma_txch, ret); + base_irq + mac->dma_txch, ret); goto out_tx_int; } - ret = request_irq(mac->dma_pdev->irq + 20 + mac->dma_rxch, - &pasemi_mac_rx_intr, IRQF_DISABLED, + ret = request_irq(mac->rx_irq, &pasemi_mac_rx_intr, IRQF_DISABLED, mac->rx->irq_name, dev); if (ret) { dev_err(&mac->pdev->dev, "request_irq of irq %d failed: %d\n", - mac->dma_pdev->irq + 20 + mac->dma_rxch, ret); + base_irq + 20 + mac->dma_rxch, ret); goto out_rx_int; } return 0; out_rx_int: - free_irq(mac->dma_pdev->irq + mac->dma_txch, dev); + free_irq(mac->tx_irq, dev); out_tx_int: netif_poll_disable(dev); netif_stop_queue(dev); @@ -699,8 +711,8 @@ static int pasemi_mac_close(struct net_device *dev) pci_write_config_dword(mac->dma_pdev, PAS_DMA_RXINT_RCMDSTA(mac->dma_if), 0); - free_irq(mac->dma_pdev->irq + mac->dma_txch, dev); - free_irq(mac->dma_pdev->irq + 20 + mac->dma_rxch, dev); + free_irq(mac->tx_irq, dev); + free_irq(mac->rx_irq, dev); /* Free resources */ pasemi_mac_free_rx_resources(dev); |