Commit 82ba2c2a authored by Jarkko Nikula's avatar Jarkko Nikula Committed by Mark Brown

spi: pxa2xx: Make LPSS SPI general register optional

General register located in LPSS SPI private register space is not found in
upcoming Intel LPSS platforms. Access it conditionally depending is it
defined in configuration.
Signed-off-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent dccf7369
......@@ -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);
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);
__lpss_ssp_write_priv(drv_data,
config->reg_general, value);
}
}
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment