From 0837ae46ff003fed44bfead23c590e7105f47623 Mon Sep 17 00:00:00 2001 From: Yogesh Narayan Gaur Date: Tue, 15 Jan 2019 10:05:22 +0000 Subject: [PATCH] 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: Yogesh Narayan Gaur Reviewed-by: Tudor Ambarus Signed-off-by: Boris Brezillon --- drivers/mtd/devices/m25p80.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index c4a1d04b8c80..651bab6d4e31 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -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)