diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index f440dcee852b582a2eb3369c5effd94c83fa3737..e0fd6f63c93ef457c5b4a5c9437fc8cc314f28c9 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -69,6 +69,8 @@ MODULE_ALIAS("platform:pxa2xx-spi"); #define LPSS_TX_HITHRESH_DFLT 224 /* Offset from drv_data->lpss_base */ +#define GENERAL_REG 0x08 +#define GENERAL_REG_RXTO_HOLDOFF_DISABLE BIT(24) #define SSP_REG 0x0c #define SPI_CS_CONTROL 0x18 #define SPI_CS_CONTROL_SW_MODE BIT(0) @@ -142,8 +144,13 @@ static void lpss_ssp_setup(struct driver_data *drv_data) __lpss_ssp_write_priv(drv_data, SPI_CS_CONTROL, value); /* Enable multiblock DMA transfers */ - if (drv_data->master_info->enable_dma) + if (drv_data->master_info->enable_dma) { __lpss_ssp_write_priv(drv_data, SSP_REG, 1); + + value = __lpss_ssp_read_priv(drv_data, GENERAL_REG); + value |= GENERAL_REG_RXTO_HOLDOFF_DISABLE; + __lpss_ssp_write_priv(drv_data, GENERAL_REG, value); + } } static void lpss_ssp_cs_control(struct driver_data *drv_data, bool enable)