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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 bcm_enetsw_probe(struct platf
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;
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