diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.3/420-BCM63XX-allow-enetsw-without-tx-irq.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.3/420-BCM63XX-allow-enetsw-without-tx-irq.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.3/420-BCM63XX-allow-enetsw-without-tx-irq.patch b/target/linux/brcm63xx/patches-3.3/420-BCM63XX-allow-enetsw-without-tx-irq.patch new file mode 100644 index 0000000000..6396b626df --- /dev/null +++ b/target/linux/brcm63xx/patches-3.3/420-BCM63XX-allow-enetsw-without-tx-irq.patch @@ -0,0 +1,69 @@ +From 625894c377ba266c0044675b53f05d65db6355b6 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jonas.gorski@gmail.com> +Date: Sun, 8 Jul 2012 13:07:52 +0200 +Subject: [PATCH 38/84] BCM63XX: allow enetsw without tx irq + +--- + arch/mips/bcm63xx/dev-enet.c | 2 ++ + drivers/net/ethernet/broadcom/bcm63xx_enet.c | 18 +++++++++++------- + 2 files changed, 13 insertions(+), 7 deletions(-) + +--- a/arch/mips/bcm63xx/dev-enet.c ++++ b/arch/mips/bcm63xx/dev-enet.c +@@ -236,6 +236,8 @@ bcm63xx_enetsw_register(const struct bcm + enetsw_res[0].end += RSET_ENETSW_SIZE - 1; + enetsw_res[1].start = bcm63xx_get_irq_number(IRQ_ENETSW_RXDMA0); + enetsw_res[2].start = bcm63xx_get_irq_number(IRQ_ENETSW_TXDMA0); ++ if (!enetsw_res[2].start) ++ enetsw_res[2].start = -1; + + memcpy(bcm63xx_enetsw_device.dev.platform_data, pd, sizeof (*pd)); + +--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c +@@ -2151,10 +2151,12 @@ static int bcm_enetsw_open(struct net_de + if (ret) + goto out_freeirq; + +- ret = request_irq(priv->irq_tx, bcm_enet_isr_dma, +- IRQF_DISABLED, dev->name, dev); +- if (ret) +- goto out_freeirq_rx; ++ if (priv->irq_tx != -1) { ++ ret = request_irq(priv->irq_tx, bcm_enet_isr_dma, ++ IRQF_DISABLED, dev->name, dev); ++ if (ret) ++ goto out_freeirq_rx; ++ } + + /* allocate rx dma ring */ + size = priv->rx_ring_size * sizeof(struct bcm_enet_desc); +@@ -2376,7 +2378,8 @@ out_free_rx_ring: + priv->rx_desc_cpu, priv->rx_desc_dma); + + out_freeirq_tx: +- free_irq(priv->irq_tx, dev); ++ if (priv->irq_tx != -1) ++ free_irq(priv->irq_tx, dev); + + out_freeirq_rx: + free_irq(priv->irq_rx, dev); +@@ -2433,7 +2436,8 @@ static int bcm_enetsw_stop(struct net_de + priv->rx_desc_cpu, priv->rx_desc_dma); + dma_free_coherent(kdev, priv->tx_desc_alloc_size, + priv->tx_desc_cpu, priv->tx_desc_dma); +- free_irq(priv->irq_tx, dev); ++ if (priv->irq_tx != -1) ++ free_irq(priv->irq_tx, dev); + free_irq(priv->irq_rx, dev); + + return 0; +@@ -2716,7 +2720,7 @@ static int __devinit bcm_enetsw_probe(st + res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + irq_rx = platform_get_irq(pdev, 0); + irq_tx = platform_get_irq(pdev, 1); +- if (!res_mem || irq_rx < 0 || irq_tx < 0) ++ if (!res_mem || irq_rx < 0) + return -ENODEV; + + ret = 0; |