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| author | Olof Johansson <olof@lixom.net> | 2007-04-28 15:36:40 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-05-08 01:00:21 -0400 |
| commit | 0ce68c74162ce288cfd214dd126b8d03b8b7a8ed (patch) | |
| tree | 5882905aca8e2ba02a07d2631672d285bba5ee22 /drivers/net/pasemi_mac.c | |
| parent | 5b94f675f57e4ff16c8fda09088d7480a84dcd91 (diff) | |
| download | kernel_samsung_aries-0ce68c74162ce288cfd214dd126b8d03b8b7a8ed.zip kernel_samsung_aries-0ce68c74162ce288cfd214dd126b8d03b8b7a8ed.tar.gz kernel_samsung_aries-0ce68c74162ce288cfd214dd126b8d03b8b7a8ed.tar.bz2 | |
pasemi_mac: A couple of minor bugfixes.
Bugfixes:
* Move the wake_queue logic from tx_intr to clean_tx
* Always do wake_queue even if queue wasn't full before clean since
it's safe to do
* Fix polarity in checks in pasemi_mac_close
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 | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index 76fe9dd..bde8335 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -476,6 +476,8 @@ static int pasemi_mac_clean_tx(struct pasemi_mac *mac) mac->tx->next_to_clean += count; spin_unlock_irqrestore(&mac->tx->lock, flags); + netif_wake_queue(mac->netdev); + return count; } @@ -510,9 +512,6 @@ static irqreturn_t pasemi_mac_tx_intr(int irq, void *data) struct net_device *dev = data; struct pasemi_mac *mac = netdev_priv(dev); unsigned int reg; - int was_full; - - was_full = mac->tx->next_to_clean - mac->tx->next_to_use == TX_RING_SIZE; if (!(*mac->tx_status & PAS_STATUS_INT)) return IRQ_NONE; @@ -526,9 +525,6 @@ static irqreturn_t pasemi_mac_tx_intr(int irq, void *data) pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_TXCH_RESET(mac->dma_txch), reg); - if (was_full) - netif_wake_queue(dev); - return IRQ_HANDLED; } @@ -660,40 +656,37 @@ static int pasemi_mac_close(struct net_device *dev) pci_read_config_dword(mac->dma_pdev, PAS_DMA_TXCHAN_TCMDSTA(mac->dma_txch), &stat); - if (stat & PAS_DMA_TXCHAN_TCMDSTA_ACT) + if (!(stat & PAS_DMA_TXCHAN_TCMDSTA_ACT)) break; cond_resched(); } - if (!(stat & PAS_DMA_TXCHAN_TCMDSTA_ACT)) { + if (stat & PAS_DMA_TXCHAN_TCMDSTA_ACT) dev_err(&mac->dma_pdev->dev, "Failed to stop tx channel\n"); - } for (retries = 0; retries < MAX_RETRIES; retries++) { pci_read_config_dword(mac->dma_pdev, PAS_DMA_RXCHAN_CCMDSTA(mac->dma_rxch), &stat); - if (stat & PAS_DMA_RXCHAN_CCMDSTA_ACT) + if (!(stat & PAS_DMA_RXCHAN_CCMDSTA_ACT)) break; cond_resched(); } - if (!(stat & PAS_DMA_RXCHAN_CCMDSTA_ACT)) { + if (stat & PAS_DMA_RXCHAN_CCMDSTA_ACT) dev_err(&mac->dma_pdev->dev, "Failed to stop rx channel\n"); - } for (retries = 0; retries < MAX_RETRIES; retries++) { pci_read_config_dword(mac->dma_pdev, PAS_DMA_RXINT_RCMDSTA(mac->dma_if), &stat); - if (stat & PAS_DMA_RXINT_RCMDSTA_ACT) + if (!(stat & PAS_DMA_RXINT_RCMDSTA_ACT)) break; cond_resched(); } - if (!(stat & PAS_DMA_RXINT_RCMDSTA_ACT)) { + if (stat & PAS_DMA_RXINT_RCMDSTA_ACT) dev_err(&mac->dma_pdev->dev, "Failed to stop rx interface\n"); - } /* Then, disable the channel. This must be done separately from * stopping, since you can't disable when active. |