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rk30:modify dma_free_coherent operation for spim

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lw
2012-02-29 17:36:39 +08:00
parent 374db121dd
commit 3af886044c
1 changed files with 3 additions and 4 deletions
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7
drivers/spi/rk29_spim.c
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@@ -1988,8 +1988,6 @@ err_diable_hw:
free_irq(dws->irq, dws);
err_free_master:
spi_master_put(master);
dma_free_coherent(&pdev->dev, DMA_BUFFER_SIZE, dws->buffer_tx_dma, dws->tx_dma);
dma_free_coherent(&pdev->dev, DMA_BUFFER_SIZE, dws->buffer_rx_dma, dws->rx_dma);
iounmap(dws->regs);
exit:
return ret;
@@ -2006,8 +2004,9 @@ static void __exit rk29xx_spim_remove(struct platform_device *pdev)
rk29xx_spim_cpufreq_deregister(dws);
mrst_spi_debugfs_remove(dws);
dma_free_coherent(&pdev->dev, DMA_BUFFER_SIZE, dws->buffer_tx_dma, dws->tx_dma);
if(dws->buffer_tx_dma)
dma_free_coherent(&pdev->dev, DMA_BUFFER_SIZE, dws->buffer_tx_dma, dws->tx_dma);
if(dws->buffer_rx_dma)
dma_free_coherent(&pdev->dev, DMA_BUFFER_SIZE, dws->buffer_rx_dma, dws->rx_dma);
release_dma(dws);