usb: chipidea: imx: add stream mode enable for device mode at imx6sl/imx6sx

Stream mode enable is known for better performance, this stream mode
enable patch has been passed with stress tests at device mode for
imx6sl and imx6sx, and no issue is found.

Signed-off-by: Peter Chen <peter.chen@freescale.com>

diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 9ccae5a33147ca27b09bbe6407f5681a93ea4a43..867e9f3f385959b5add2aad6b9c831f82949c809 100644 (file)
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -29,26 +29,31 @@ struct ci_hdrc_imx_platform_flag {
 };
 
 static const struct ci_hdrc_imx_platform_flag imx27_usb_data = {
+               CI_HDRC_DISABLE_STREAMING,
 };
 
 static const struct ci_hdrc_imx_platform_flag imx28_usb_data = {
        .flags = CI_HDRC_IMX28_WRITE_FIX |
-               CI_HDRC_TURN_VBUS_EARLY_ON,
+               CI_HDRC_TURN_VBUS_EARLY_ON |
+               CI_HDRC_DISABLE_STREAMING,
 };
 
 static const struct ci_hdrc_imx_platform_flag imx6q_usb_data = {
        .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
-               CI_HDRC_TURN_VBUS_EARLY_ON,
+               CI_HDRC_TURN_VBUS_EARLY_ON |
+               CI_HDRC_DISABLE_STREAMING,
 };
 
 static const struct ci_hdrc_imx_platform_flag imx6sl_usb_data = {
        .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
-               CI_HDRC_TURN_VBUS_EARLY_ON,
+               CI_HDRC_TURN_VBUS_EARLY_ON |
+               CI_HDRC_DISABLE_HOST_STREAMING,
 };
 
 static const struct ci_hdrc_imx_platform_flag imx6sx_usb_data = {
        .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
-               CI_HDRC_TURN_VBUS_EARLY_ON,
+               CI_HDRC_TURN_VBUS_EARLY_ON |
+               CI_HDRC_DISABLE_HOST_STREAMING,
 };
 
 static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
@@ -126,8 +131,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
        struct ci_hdrc_platform_data pdata = {
                .name           = dev_name(&pdev->dev),
                .capoffset      = DEF_CAPOFFSET,
-               .flags          = CI_HDRC_DISABLE_STREAMING |
-                                       CI_HDRC_SET_NON_ZERO_TTHA,
+               .flags          = CI_HDRC_SET_NON_ZERO_TTHA,
        };
        int ret;
        const struct of_device_id *of_id =