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Commit 214b574a authored by Jean-Christophe PLAGNIOL-VILLARD's avatar Jean-Christophe PLAGNIOL-VILLARD Committed by Nicolas Ferre
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atmel_spi: fix warning In function 'atmel_spi_dma_map_xfer' 



passing argument 2 of 'dma_map_single' discards qualifiers from pointer target type

Signed-off-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 82d5b5c8

drivers/spi/atmel_spi.c

+5 −1
Original line number Diff line number Diff line
@@ -352,8 +352,12 @@ atmel_spi_dma_map_xfer(struct atmel_spi *as, struct spi_transfer *xfer) 


	xfer->tx_dma = xfer->rx_dma = INVALID_DMA_ADDRESS;

	if (xfer->tx_buf) {

		/* tx_buf is a const void* where we need a void * for the dma

		 * mapping */

		void *nonconst_tx = (void *)xfer->tx_buf;



		xfer->tx_dma = dma_map_single(dev,

				(void *) xfer->tx_buf, xfer->len,

				nonconst_tx, xfer->len,

				DMA_TO_DEVICE);

		if (dma_mapping_error(dev, xfer->tx_dma))

			return -ENOMEM;