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| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-03-17 14:59:34 +0000 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-03-17 14:59:34 +0000 |
| commit | 97d759d3e86f9c7ced094352838e7e4d1cf8cddf (patch) | |
| tree | 86e5d35322c8f9a90c5b6c783b0950148e2216a0 /drivers/atm | |
| parent | f87b2ed225c002ea1b1b9994c6608d8b202f865e (diff) | |
| download | linux-97d759d3e86f9c7ced094352838e7e4d1cf8cddf.tar.gz linux-97d759d3e86f9c7ced094352838e7e4d1cf8cddf.tar.bz2 linux-97d759d3e86f9c7ced094352838e7e4d1cf8cddf.zip | |
solos: Reset device on unload, free pending skbs
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/atm')
| -rw-r--r-- | drivers/atm/solos-pci.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c index eef920a9c448..1ff730497217 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -1206,10 +1206,28 @@ static void atm_remove(struct solos_card *card) for (i = 0; i < card->nr_ports; i++) { if (card->atmdev[i]) { + struct sk_buff *skb; + dev_info(&card->dev->dev, "Unregistering ATM device %d\n", card->atmdev[i]->number); sysfs_remove_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group); atm_dev_deregister(card->atmdev[i]); + + skb = card->rx_skb[i]; + if (skb) { + pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr, + RX_DMA_SIZE, PCI_DMA_FROMDEVICE); + dev_kfree_skb(skb); + } + skb = card->tx_skb[i]; + if (skb) { + pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr, + skb->len, PCI_DMA_TODEVICE); + dev_kfree_skb(skb); + } + while ((skb = skb_dequeue(&card->tx_queue[i]))) + dev_kfree_skb(skb); + } } } @@ -1217,13 +1235,23 @@ static void atm_remove(struct solos_card *card) static void fpga_remove(struct pci_dev *dev) { struct solos_card *card = pci_get_drvdata(dev); + + /* Disable IRQs */ + iowrite32(0, card->config_regs + IRQ_EN_ADDR); + + /* Reset FPGA */ + iowrite32(1, card->config_regs + FPGA_MODE); + (void)ioread32(card->config_regs + FPGA_MODE); atm_remove(card); - iowrite32(0, card->config_regs + IRQ_EN_ADDR); free_irq(dev->irq, card); tasklet_kill(&card->tlet); + /* Release device from reset */ + iowrite32(0, card->config_regs + FPGA_MODE); + (void)ioread32(card->config_regs + FPGA_MODE); + pci_iounmap(dev, card->buffers); pci_iounmap(dev, card->config_regs); |