spi: s3c64xx: Use dma_request_chan() directly for channel request (df1b0141) · Commits · 戴 / test

dma_request_slave_channel_reason() is: #define dma_request_slave_channel_reason(dev, name) \ dma_request_chan(dev, name) Signed-off-by:

drivers/spi/spi-s3c64xx.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -1154,15 +1154,13 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)

		if (!is_polling(sdd)) {
		/* Acquire DMA channels */
		sdd->rx_dma.ch = dma_request_slave_channel_reason(&pdev->dev,
		"rx");
		sdd->rx_dma.ch = dma_request_chan(&pdev->dev, "rx");
		if (IS_ERR(sdd->rx_dma.ch)) {
		dev_err(&pdev->dev, "Failed to get RX DMA channel\n");
		ret = PTR_ERR(sdd->rx_dma.ch);
		goto err_disable_io_clk;
		}
		sdd->tx_dma.ch = dma_request_slave_channel_reason(&pdev->dev,
		"tx");
		sdd->tx_dma.ch = dma_request_chan(&pdev->dev, "tx");
		if (IS_ERR(sdd->tx_dma.ch)) {
		dev_err(&pdev->dev, "Failed to get TX DMA channel\n");
		ret = PTR_ERR(sdd->tx_dma.ch);