From 6c8ce180742f7f442db272387b49fbea11579323 Mon Sep 17 00:00:00 2001 From: florian Date: Sun, 25 Jan 2009 13:36:27 +0000 Subject: [rb532] update 2.6.27 patches with upstream fixes from git repository and mailing-lists. via-rhine is still broken, thus not switching to 2.6.27 as default. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14173 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../012-korina_do_tx_at_right_position.patch | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 target/linux/rb532/patches-2.6.27/012-korina_do_tx_at_right_position.patch (limited to 'target/linux/rb532/patches-2.6.27/012-korina_do_tx_at_right_position.patch') diff --git a/target/linux/rb532/patches-2.6.27/012-korina_do_tx_at_right_position.patch b/target/linux/rb532/patches-2.6.27/012-korina_do_tx_at_right_position.patch new file mode 100644 index 000000000..101e869d0 --- /dev/null +++ b/target/linux/rb532/patches-2.6.27/012-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 +--- +--- 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)) { -- cgit v1.2.3