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Unverified Commit b12a084c authored by Yogesh Narayan Gaur's avatar Yogesh Narayan Gaur Committed by Mark Brown
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spi: spi-mem: add support for octal mode I/O data transfer 



Add support for octal mode I/O data transfer in spi-mem framework.

Signed-off-by: default avatarYogesh Gaur <yogeshnarayan.gaur@nxp.com>
Reviewed-by: default avatarBoris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 6b03061f

drivers/spi/spi-mem.c

+8 −1
Original line number Diff line number Diff line
@@ -12,7 +12,7 @@ 


#include "internals.h"



#define SPI_MEM_MAX_BUSWIDTH		4

#define SPI_MEM_MAX_BUSWIDTH		8



/**

 * spi_controller_dma_map_mem_op_data() - DMA-map the buffer attached to a
@@ -121,6 +121,13 @@ static int spi_check_buswidth_req(struct spi_mem *mem, u8 buswidth, bool tx) 


		break;



	case 8:

		if ((tx && (mode & SPI_TX_OCTAL)) ||

		    (!tx && (mode & SPI_RX_OCTAL)))

			return 0;



		break;



	default:

		break;

	}