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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>
This commit is contained in:
Shimoda, Yoshihiro 2012-08-02 17:17:33 +09:00 committed by Mark Brown
parent ddffeb8c4d
commit 0243c53634
1 changed files with 34 additions and 22 deletions
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56
drivers/spi/spi-rspi.c
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@ -147,8 +147,6 @@ struct rspi_data {
unsigned char spsr;
/* for dmaengine */
struct sh_dmae_slave dma_tx;
struct sh_dmae_slave dma_rx;
struct dma_chan *chan_tx;
struct dma_chan *chan_rx;
int irq;
@ -663,20 +661,16 @@ static irqreturn_t rspi_irq(int irq, void *_sr)
return ret;
}
static bool rspi_filter(struct dma_chan *chan, void *filter_param)
{
chan->private = filter_param;
return true;
}
static void __devinit rspi_request_dma(struct rspi_data *rspi,
struct platform_device *pdev)
static int __devinit rspi_request_dma(struct rspi_data *rspi,
struct platform_device *pdev)
{
struct rspi_plat_data *rspi_pd = pdev->dev.platform_data;
dma_cap_mask_t mask;
struct dma_slave_config cfg;
int ret;
if (!rspi_pd)
return;
return 0; /* The driver assumes no error. */
rspi->dma_width_16bit = rspi_pd->dma_width_16bit;
@ -684,21 +678,35 @@ static void __devinit rspi_request_dma(struct rspi_data *rspi,
if (rspi_pd->dma_rx_id && rspi_pd->dma_tx_id) {
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
rspi->dma_rx.slave_id = rspi_pd->dma_rx_id;
rspi->chan_rx = dma_request_channel(mask, rspi_filter,
&rspi->dma_rx);
if (rspi->chan_rx)
dev_info(&pdev->dev, "Use DMA when rx.\n");
rspi->chan_rx = dma_request_channel(mask, shdma_chan_filter,
(void *)rspi_pd->dma_rx_id);
if (rspi->chan_rx) {
cfg.slave_id = rspi_pd->dma_rx_id;
cfg.direction = DMA_DEV_TO_MEM;
ret = dmaengine_slave_config(rspi->chan_rx, &cfg);
if (!ret)
dev_info(&pdev->dev, "Use DMA when rx.\n");
else
return ret;
}
}
if (rspi_pd->dma_tx_id) {
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
rspi->dma_tx.slave_id = rspi_pd->dma_tx_id;
rspi->chan_tx = dma_request_channel(mask, rspi_filter,
&rspi->dma_tx);
if (rspi->chan_tx)
dev_info(&pdev->dev, "Use DMA when tx\n");
rspi->chan_tx = dma_request_channel(mask, shdma_chan_filter,
(void *)rspi_pd->dma_tx_id);
if (rspi->chan_tx) {
cfg.slave_id = rspi_pd->dma_tx_id;
cfg.direction = DMA_MEM_TO_DEV;
ret = dmaengine_slave_config(rspi->chan_tx, &cfg);
if (!ret)
dev_info(&pdev->dev, "Use DMA when tx\n");
else
return ret;
}
}
return 0;
}
static void __devexit rspi_release_dma(struct rspi_data *rspi)
@ -788,7 +796,11 @@ static int __devinit rspi_probe(struct platform_device *pdev)
}
rspi->irq = irq;
rspi_request_dma(rspi, pdev);
ret = rspi_request_dma(rspi, pdev);
if (ret < 0) {
dev_err(&pdev->dev, "rspi_request_dma failed.\n");
goto error4;
}
ret = spi_register_master(master);
if (ret < 0) {