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Subject: [PATCH v3 5/7] mtd: m25p80: add support of octo mode I/O transfer
Thread-Topic: [PATCH v3 5/7] mtd: m25p80: add support of octo mode I/O
 transfer
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Date:   Tue, 23 Oct 2018 09:37:32 +0000
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Add support for octo mode I/O data transfer based on the controller (spi)
mode.
Assign hw-capability mask bits for octo transfer.

Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
---
Changes for v3:
- Modified string 'octal' with 'octo'.
Changes for v2:
- Incorporated review comments of Boris.

 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 cb14cf9..7d5c3a1 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -175,7 +175,14 @@ static int m25p_probe(struct spi_mem *spimem)
 	spi_mem_set_drvdata(spimem, flash);
 	flash->spimem =3D spimem;
=20
-	if (spi->mode & SPI_RX_QUAD) {
+	if (spi->mode & SPI_RX_OCTO) {
+		hwcaps.mask |=3D SNOR_HWCAPS_READ_1_1_8;
+
+		if (spi->mode & SPI_TX_OCTO)
+			hwcaps.mask |=3D (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 |=3D SNOR_HWCAPS_READ_1_1_4;
=20
 		if (spi->mode & SPI_TX_QUAD)
--=20
2.7.4