Spansion flash has QEB in the same status register as well. Therefore, preserve the original values while rebooting. Otherwise, some SPI controllers may be unable to access the flash correctly e.g. receive garbage bytes instead.
Signed-off-by: Ahmed S. Khalil engkhalil86@gmail.com --- drivers/mtd/spi/spi_flash.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c index b6b56fe..2e603ed 100644 --- a/drivers/mtd/spi/spi_flash.c +++ b/drivers/mtd/spi/spi_flash.c @@ -984,7 +984,8 @@ int spi_flash_scan(struct spi_flash *flash) */ if (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_ATMEL || (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_SST) || - (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_MACRONIX)) { + (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_MACRONIX) || + (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_SPANSION)) { u8 sr = 0;
if (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_MACRONIX) {