diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 3fec31dbf972..f97cd42fbc22 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -245,9 +245,13 @@ static void lpss_ssp_setup(struct driver_data *drv_data) if (drv_data->master_info->enable_dma) { __lpss_ssp_write_priv(drv_data, config->reg_ssp, 1); - value = __lpss_ssp_read_priv(drv_data, config->reg_general); - value |= GENERAL_REG_RXTO_HOLDOFF_DISABLE; - __lpss_ssp_write_priv(drv_data, config->reg_general, value); + if (config->reg_general >= 0) { + value = __lpss_ssp_read_priv(drv_data, + config->reg_general); + value |= GENERAL_REG_RXTO_HOLDOFF_DISABLE; + __lpss_ssp_write_priv(drv_data, + config->reg_general, value); + } } }