diff options
| author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-03-15 12:56:39 +0000 |
|---|---|---|
| committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-03-15 12:56:39 +0000 |
| commit | 47fedb5947414d3b46786a94186b123295ba0f48 (patch) | |
| tree | 66f5f78c1b6ca8383418b4cd3f5444c4f4716459 /target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch | |
| parent | 474e65cbab6cad7dbf74b7cb62acb02aa12403a3 (diff) | |
[rb532] add 2.6.28 patches and kernel config
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14884 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch')
| -rw-r--r-- | target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch b/target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch new file mode 100644 index 000000000..101e869d0 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch @@ -0,0 +1,40 @@ +Triggering TX before the write to the DMA status mask register leads to +transferring packets with maximum payload no matter what the actual +packet size is. +While here, also trigger RX scheduling after writing the DMA status mask +register, like it was in the original driver before it was sent +upstream. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- +--- a/drivers/net/korina.c 2009-01-19 23:27:41.000000000 +0100 ++++ b/drivers/net/korina.c 2009-01-19 23:29:08.000000000 +0100 +@@ -330,12 +330,12 @@ + + dmas = readl(&lp->rx_dma_regs->dmas); + if (dmas & (DMA_STAT_DONE | DMA_STAT_HALT | DMA_STAT_ERR)) { +- netif_rx_schedule(dev, &lp->napi); +- + dmasm = readl(&lp->rx_dma_regs->dmasm); + writel(dmasm | (DMA_STAT_DONE | + DMA_STAT_HALT | DMA_STAT_ERR), + &lp->rx_dma_regs->dmasm); ++ ++ netif_rx_schedule(dev, &lp->napi); + + if (dmas & DMA_STAT_ERR) + printk(KERN_ERR DRV_NAME "%s: DMA error\n", dev->name); +@@ -621,11 +621,11 @@ + dmas = readl(&lp->tx_dma_regs->dmas); + + if (dmas & (DMA_STAT_FINI | DMA_STAT_ERR)) { +- korina_tx(dev); +- + dmasm = readl(&lp->tx_dma_regs->dmasm); + writel(dmasm | (DMA_STAT_FINI | DMA_STAT_ERR), + &lp->tx_dma_regs->dmasm); ++ ++ korina_tx(dev); + + if (lp->tx_chain_status == desc_filled && + (readl(&(lp->tx_dma_regs->dmandptr)) == 0)) { |