diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/cadence_qspi.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index a839c8d2a2e..485fe401130 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -826,7 +826,13 @@ static int cadence_spi_mem_exec_op(struct spi_slave *spi, plat->is_decoded_cs); if (op->data.dir == SPI_MEM_DATA_IN && op->data.buf.in) { - if (!op->addr.nbytes) + /* + * Performing reads in DAC mode forces to read minimum 4 bytes + * which is unsupported on some flash devices during register + * reads, prefer STIG mode for such small reads. + */ + if (!op->addr.nbytes || + op->data.nbytes < CQSPI_STIG_DATA_LEN_MAX) mode = CQSPI_STIG_READ; else mode = CQSPI_READ; |