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drivers: mtd: spi: Check SPI_TX_QUAD mode if RD_QUADIO flag is set

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This patch checks for SPI_TX_QUAD mode if RD_QUADIO flag is set, as
RD_QUADIO uses 4 lines for TX. If SPI_TX_QUAD mode is not set then
CMD_READ_QUAD_IO_FAST should not be used.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
T Karthik Reddy
2019-03-27 11:45:45 +05:30
committed by Michal Simek
parent 7c614fc895
commit dd625be2e7
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/spi/spi_flash.c
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@@ -1677,7 +1677,7 @@ int spi_flash_scan(struct spi_flash *flash)
if (((JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_SPANSION) &&
(info->id[5] == SPI_FLASH_SPANSION_S25FS_FMLY)) ||
((JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_ISSI) &&
info->flags & RD_QUADIO))
info->flags & RD_QUADIO && spi->mode & SPI_TX_QUAD))
flash->read_cmd = CMD_READ_QUAD_IO_FAST;
} else if (spi->mode & SPI_RX_DUAL && info->flags & RD_DUAL) {
flash->read_cmd = CMD_READ_DUAL_OUTPUT_FAST;