diff options
Diffstat (limited to 'drivers/spi/spi-cadence-quadspi.c')
| -rw-r--r-- | drivers/spi/spi-cadence-quadspi.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 0b45b7b2b3ab..a031ecb358e0 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -43,6 +43,7 @@ static_assert(CQSPI_MAX_CHIPSELECT <= SPI_CS_CNT_MAX); #define CQSPI_SLOW_SRAM BIT(4) #define CQSPI_NEEDS_APB_AHB_HAZARD_WAR BIT(5) #define CQSPI_RD_NO_IRQ BIT(6) +#define CQSPI_DISABLE_STIG_MODE BIT(7) /* Capabilities */ #define CQSPI_SUPPORTS_OCTAL BIT(0) @@ -103,6 +104,7 @@ struct cqspi_st { bool apb_ahb_hazard; bool is_jh7110; /* Flag for StarFive JH7110 SoC */ + bool disable_stig_mode; const struct cqspi_driver_platdata *ddata; }; @@ -1416,7 +1418,8 @@ static int cqspi_mem_process(struct spi_mem *mem, const struct spi_mem_op *op) * reads, prefer STIG mode for such small reads. */ if (!op->addr.nbytes || - op->data.nbytes <= CQSPI_STIG_DATA_LEN_MAX) + (op->data.nbytes <= CQSPI_STIG_DATA_LEN_MAX && + !cqspi->disable_stig_mode)) return cqspi_command_read(f_pdata, op); return cqspi_read(f_pdata, op); @@ -1880,6 +1883,8 @@ static int cqspi_probe(struct platform_device *pdev) if (ret) goto probe_reset_failed; } + if (ddata->quirks & CQSPI_DISABLE_STIG_MODE) + cqspi->disable_stig_mode = true; if (of_device_is_compatible(pdev->dev.of_node, "xlnx,versal-ospi-1.0")) { @@ -2043,7 +2048,8 @@ static const struct cqspi_driver_platdata intel_lgm_qspi = { static const struct cqspi_driver_platdata socfpga_qspi = { .quirks = CQSPI_DISABLE_DAC_MODE | CQSPI_NO_SUPPORT_WR_COMPLETION - | CQSPI_SLOW_SRAM, + | CQSPI_SLOW_SRAM + | CQSPI_DISABLE_STIG_MODE, }; static const struct cqspi_driver_platdata versal_ospi = { |