For i.mx platform, set ttctrl.ttha with non-zero value only affects sitd, and ehci core makes sure the schedule is not full when accepts new request, so it will not occur the transaction which will acorss the SoF. Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> --- drivers/usb/chipidea/ci_hdrc_imx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 389f0e0..6d2a85a 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -126,7 +126,8 @@ 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, + .flags = CI_HDRC_DISABLE_STREAMING | + CI_HDRC_SET_NON_ZERO_TTHA, }; int ret; const struct of_device_id *of_id = -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html