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[ARM] 5122/1: imx_dma_request_by_prio simpilfication

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imx_dma_request_by_prio can return channel number by itself.
No need to supply variable address through parameters.

Also converted all drivers using this function.

Signed-off-by: Paulius Zaleckas <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Paulius Zaleckas 2008-06-25 13:25:13 +01:00 • committed by Russell King
commit f7def13ed0
4 changed files with 15 additions and 20 deletions
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16
drivers/spi/spi_imx.c
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@ -1526,24 +1526,24 @@ static int __init spi_imx_probe(struct platform_device *pdev)
drv_data->rx_channel = -1;
if (platform_info->enable_dma) {
/* Get rx DMA channel */
status = imx_dma_request_by_prio(&drv_data->rx_channel,
"spi_imx_rx", DMA_PRIO_HIGH);
if (status < 0) {
drv_data->rx_channel = imx_dma_request_by_prio("spi_imx_rx",
DMA_PRIO_HIGH);
if (drv_data->rx_channel < 0) {
dev_err(dev,
"probe - problem (%d) requesting rx channel\n",
status);
drv_data->rx_channel);
goto err_no_rxdma;
} else
imx_dma_setup_handlers(drv_data->rx_channel, NULL,
dma_err_handler, drv_data);
/* Get tx DMA channel */
status = imx_dma_request_by_prio(&drv_data->tx_channel,
"spi_imx_tx", DMA_PRIO_MEDIUM);
if (status < 0) {
drv_data->tx_channel = imx_dma_request_by_prio("spi_imx_tx",
DMA_PRIO_MEDIUM);
if (drv_data->tx_channel < 0) {
dev_err(dev,
"probe - problem (%d) requesting tx channel\n",
status);
drv_data->tx_channel);
imx_dma_free(drv_data->rx_channel);
goto err_no_txdma;
} else