spi: spi-rspi: fix build error for the latest shdma driver
Because the latest shdma driver changed, it caused build error in the spi-rspi driver. This patch fixed the build error. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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0243c53634
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@ -147,8 +147,6 @@ struct rspi_data {
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unsigned char spsr;
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/* for dmaengine */
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struct sh_dmae_slave dma_tx;
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struct sh_dmae_slave dma_rx;
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struct dma_chan *chan_tx;
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struct dma_chan *chan_rx;
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int irq;
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@ -663,20 +661,16 @@ static irqreturn_t rspi_irq(int irq, void *_sr)
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return ret;
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}
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static bool rspi_filter(struct dma_chan *chan, void *filter_param)
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{
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chan->private = filter_param;
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return true;
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}
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static void __devinit rspi_request_dma(struct rspi_data *rspi,
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struct platform_device *pdev)
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static int __devinit rspi_request_dma(struct rspi_data *rspi,
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struct platform_device *pdev)
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{
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struct rspi_plat_data *rspi_pd = pdev->dev.platform_data;
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dma_cap_mask_t mask;
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struct dma_slave_config cfg;
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int ret;
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if (!rspi_pd)
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return;
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return 0; /* The driver assumes no error. */
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rspi->dma_width_16bit = rspi_pd->dma_width_16bit;
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@ -684,21 +678,35 @@ static void __devinit rspi_request_dma(struct rspi_data *rspi,
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if (rspi_pd->dma_rx_id && rspi_pd->dma_tx_id) {
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dma_cap_zero(mask);
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dma_cap_set(DMA_SLAVE, mask);
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rspi->dma_rx.slave_id = rspi_pd->dma_rx_id;
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rspi->chan_rx = dma_request_channel(mask, rspi_filter,
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&rspi->dma_rx);
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if (rspi->chan_rx)
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dev_info(&pdev->dev, "Use DMA when rx.\n");
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rspi->chan_rx = dma_request_channel(mask, shdma_chan_filter,
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(void *)rspi_pd->dma_rx_id);
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if (rspi->chan_rx) {
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cfg.slave_id = rspi_pd->dma_rx_id;
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cfg.direction = DMA_DEV_TO_MEM;
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ret = dmaengine_slave_config(rspi->chan_rx, &cfg);
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if (!ret)
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dev_info(&pdev->dev, "Use DMA when rx.\n");
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else
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return ret;
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}
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}
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if (rspi_pd->dma_tx_id) {
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dma_cap_zero(mask);
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dma_cap_set(DMA_SLAVE, mask);
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rspi->dma_tx.slave_id = rspi_pd->dma_tx_id;
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rspi->chan_tx = dma_request_channel(mask, rspi_filter,
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&rspi->dma_tx);
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if (rspi->chan_tx)
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dev_info(&pdev->dev, "Use DMA when tx\n");
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rspi->chan_tx = dma_request_channel(mask, shdma_chan_filter,
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(void *)rspi_pd->dma_tx_id);
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if (rspi->chan_tx) {
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cfg.slave_id = rspi_pd->dma_tx_id;
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cfg.direction = DMA_MEM_TO_DEV;
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ret = dmaengine_slave_config(rspi->chan_tx, &cfg);
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if (!ret)
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dev_info(&pdev->dev, "Use DMA when tx\n");
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else
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return ret;
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}
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}
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return 0;
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}
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static void __devexit rspi_release_dma(struct rspi_data *rspi)
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@ -788,7 +796,11 @@ static int __devinit rspi_probe(struct platform_device *pdev)
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}
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rspi->irq = irq;
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rspi_request_dma(rspi, pdev);
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ret = rspi_request_dma(rspi, pdev);
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if (ret < 0) {
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dev_err(&pdev->dev, "rspi_request_dma failed.\n");
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goto error4;
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}
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ret = spi_register_master(master);
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if (ret < 0) {
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