diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.8/423-bcm63xx_enet-fix-lockup-on-BCM6328.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.8/423-bcm63xx_enet-fix-lockup-on-BCM6328.patch | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/target/linux/brcm63xx/patches-3.8/423-bcm63xx_enet-fix-lockup-on-BCM6328.patch b/target/linux/brcm63xx/patches-3.8/423-bcm63xx_enet-fix-lockup-on-BCM6328.patch deleted file mode 100644 index 1611d576e6..0000000000 --- a/target/linux/brcm63xx/patches-3.8/423-bcm63xx_enet-fix-lockup-on-BCM6328.patch +++ /dev/null @@ -1,93 +0,0 @@ -From 382a0b0dc4cbd0e0fbfd6c2d132e972c3d1245b0 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski <jonas.gorski@gmail.com> -Date: Sun, 13 Nov 2011 14:59:37 +0100 -Subject: [PATCH 39/84] bcm63xx_enet: fix lockup on BCM6328 - -BCM6328 locks up on a maxburst size of 16, reduce it to 8 for BCM6328 and -BCM6368. - -Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> ---- - drivers/net/ethernet/broadcom/bcm63xx_enet.c | 13 +++++++------ - drivers/net/ethernet/broadcom/bcm63xx_enet.h | 4 ++++ - 2 files changed, 11 insertions(+), 6 deletions(-) - ---- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c -+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c -@@ -261,7 +261,6 @@ static int bcm_enet_refill_rx(struct net - if (!skb) - break; - priv->rx_skb[desc_idx] = skb; -- - p = dma_map_single(&priv->pdev->dev, skb->data, - priv->rx_skb_size, - DMA_FROM_DEVICE); -@@ -995,9 +994,9 @@ static int bcm_enet_open(struct net_devi - enet_writel(priv, priv->hw_mtu, ENET_TXMAXLEN_REG); - - /* set dma maximum burst len */ -- enet_dmac_writel(priv, BCMENET_DMA_MAXBURST, -+ enet_dmac_writel(priv, priv->dma_maxburst, - ENETDMAC_MAXBURST_REG(priv->rx_chan)); -- enet_dmac_writel(priv, BCMENET_DMA_MAXBURST, -+ enet_dmac_writel(priv, priv->dma_maxburst, - ENETDMAC_MAXBURST_REG(priv->tx_chan)); - - /* set correct transmit fifo watermark */ -@@ -1593,7 +1592,7 @@ static int compute_hw_mtu(struct bcm_ene - * it's appended - */ - priv->rx_skb_size = ALIGN(actual_mtu + ETH_FCS_LEN, -- BCMENET_DMA_MAXBURST * 4); -+ priv->dma_maxburst * 4); - return 0; - } - -@@ -1701,6 +1700,7 @@ static int bcm_enet_probe(struct platfor - priv = netdev_priv(dev); - - priv->enet_is_sw = false; -+ priv->dma_maxburst = BCMENET_DMA_MAXBURST; - - ret = compute_hw_mtu(priv, dev->mtu); - if (ret) -@@ -2282,9 +2282,9 @@ static int bcm_enetsw_open(struct net_de - enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG(priv->tx_chan)); - - /* set dma maximum burst len */ -- enet_dmac_writel(priv, BCMENET_DMA_MAXBURST, -+ enet_dmac_writel(priv, priv->dma_maxburst, - ENETDMAC_MAXBURST_REG(priv->rx_chan)); -- enet_dmac_writel(priv, BCMENET_DMA_MAXBURST, -+ enet_dmac_writel(priv, priv->dma_maxburst, - ENETDMAC_MAXBURST_REG(priv->tx_chan)); - - /* set flow control low/high threshold to 1/3 / 2/3 */ -@@ -2749,6 +2749,7 @@ static int bcm_enetsw_probe(struct platf - priv->irq_tx = irq_tx; - priv->rx_ring_size = BCMENET_DEF_RX_DESC; - priv->tx_ring_size = BCMENET_DEF_TX_DESC; -+ priv->dma_maxburst = BCMENETSW_DMA_MAXBURST; - - pd = pdev->dev.platform_data; - if (pd) { ---- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h -+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h -@@ -18,6 +18,7 @@ - - /* maximum burst len for dma (4 bytes unit) */ - #define BCMENET_DMA_MAXBURST 16 -+#define BCMENETSW_DMA_MAXBURST 8 - - /* tx transmit threshold (4 bytes unit), fifo is 256 bytes, the value - * must be low enough so that a DMA transfer of above burst length can -@@ -252,6 +253,9 @@ struct bcm_enet_priv { - /* number of dma desc in tx ring */ - int tx_ring_size; - -+ /* maximum dma burst size */ -+ int dma_maxburst; -+ - /* cpu view of rx dma ring */ - struct bcm_enet_desc *tx_desc_cpu; - |