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