Commit 0837ae46 authored by Yogesh Narayan Gaur's avatar Yogesh Narayan Gaur Committed by Boris Brezillon
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mtd: m25p80: add support of octal mode I/O transfer 



Add support for octal mode I/O data transfer based on the controller (spi)
mode.
Assign hw-capability mask bits for octal transfer.

Signed-off-by: default avatarYogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com>
Reviewed-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: default avatarBoris Brezillon <bbrezillon@kernel.org>
parent 2bda2f81

drivers/mtd/devices/m25p80.c

+8 −1
Original line number Diff line number Diff line
@@ -195,7 +195,14 @@ static int m25p_probe(struct spi_mem *spimem) 
	spi_mem_set_drvdata(spimem, flash);

	flash->spimem = spimem;



	if (spi->mode & SPI_RX_QUAD) {

	if (spi->mode & SPI_RX_OCTAL) {

		hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8;



		if (spi->mode & SPI_TX_OCTAL)

			hwcaps.mask |= (SNOR_HWCAPS_READ_1_8_8 |

					SNOR_HWCAPS_PP_1_1_8 |

					SNOR_HWCAPS_PP_1_8_8);

	} else if (spi->mode & SPI_RX_QUAD) {

		hwcaps.mask |= SNOR_HWCAPS_READ_1_1_4;



		if (spi->mode & SPI_TX_QUAD)

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