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ramips: request_irq prior to dma allocation, and handle the case if it fails
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18173 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -302,10 +302,15 @@ ramips_eth_open(struct net_device *dev)
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struct raeth_priv *priv = netdev_priv(dev);
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int err;
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err = ramips_alloc_dma(dev);
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err = request_irq(dev->irq, ramips_eth_irq, IRQF_DISABLED,
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dev->name, dev);
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if (err)
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return err;
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err = ramips_alloc_dma(dev);
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if (err)
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goto err_free_irq;
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ramips_setup_dma(dev);
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ramips_fe_wr((ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) & 0xff) |
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(RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN |
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@ -315,7 +320,6 @@ ramips_eth_open(struct net_device *dev)
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~(RAMIPS_US_CYC_CNT_MASK << RAMIPS_US_CYC_CNT_SHIFT)) |
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((rt305x_sys_freq / RAMIPS_US_CYC_CNT_DIVISOR) << RAMIPS_US_CYC_CNT_SHIFT),
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RAMIPS_FE_GLO_CFG);
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request_irq(dev->irq, ramips_eth_irq, IRQF_DISABLED, dev->name, dev);
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tasklet_init(&priv->tx_housekeeping_tasklet, ramips_eth_tx_housekeeping,
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(unsigned long)dev);
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tasklet_init(&priv->rx_tasklet, ramips_eth_rx_hw, (unsigned long)dev);
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@ -332,6 +336,10 @@ ramips_eth_open(struct net_device *dev)
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ramips_fe_wr(0, RAMIPS_FE_RST_GL);
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netif_start_queue(dev);
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return 0;
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err_free_irq:
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free_irq(dev->irq, dev);
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return err;
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}
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static int
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