> > > According to IC guys, the logic of handling HOSTDISCONDETECT is the > same > > between i.mx28 and i.mx23. > > As pointed out by Sean, on mx23 reference manual we have the following > text describing HOSTDISCONDETECT: > > "Due to a on chip issue (Errata #2791), software must > pay attention to when to assert the HOSTDISCONDETECT bit description > has the following: > > ENHOSTDISCONDETECT bit in HW_USBPHY_CTRL register: > 1. Only set HW_USBPHY_CTRL.ENHOSTDISCONDETECT > during high speed host mode. > 2. Do not set HW_USBPHY_CTRL.ENHOSTDISCONDETECT > during the reset and speed negotiation period. > 3. Do not set HW_USBPHY_CTRL.ENHOSTDISCONDETECT > during host suspend/resume sequence." > > and the same is not present on mx28 reference manual. > > How can we make sure we are not violating the point 2 above? > It is the same with i.mx28. I think Richard's patch should not violate point 2. Richard, can you confirm it?
> Thanks, > > Fabio Estevam N�����r��y����b�X��ǧv�^�){.n�+����{������^n�r���z���h�����&���G���h�(�階�ݢj"���m������z�ޖ���f���h���~�m�