spi: at91-usart: Use dma_request_chan() directly for channel request (cef76e5a) · 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-at91-usart.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -132,7 +132,7 @@ static int at91_usart_spi_configure_dma(struct spi_controller *ctlr,
		dma_cap_zero(mask);
		dma_cap_set(DMA_SLAVE, mask);

		ctlr->dma_tx = dma_request_slave_channel_reason(dev, "tx");
		ctlr->dma_tx = dma_request_chan(dev, "tx");
		if (IS_ERR_OR_NULL(ctlr->dma_tx)) {
		if (IS_ERR(ctlr->dma_tx)) {
		err = PTR_ERR(ctlr->dma_tx);
		@@ -145,7 +145,7 @@ static int at91_usart_spi_configure_dma(struct spi_controller *ctlr,
		goto at91_usart_spi_error_clear;
		}

		ctlr->dma_rx = dma_request_slave_channel_reason(dev, "rx");
		ctlr->dma_rx = dma_request_chan(dev, "rx");
		if (IS_ERR_OR_NULL(ctlr->dma_rx)) {
		if (IS_ERR(ctlr->dma_rx)) {
		err = PTR_ERR(ctlr->dma_rx);