Hi, On Wednesday 10 September 2014 01:26 PM, Vivek Gautam wrote: > On Wed, Sep 10, 2014 at 10:53 AM, Vivek Gautam <gautam.vivek@xxxxxxxxxxx> wrote: >> On Wed, Sep 10, 2014 at 10:23 AM, Felipe Balbi <balbi@xxxxxx> wrote: >>> On Wed, Sep 10, 2014 at 09:09:57AM +0530, Vivek Gautam wrote: >>>> On Wed, Sep 10, 2014 at 9:07 AM, Vivek Gautam <gautam.vivek@xxxxxxxxxxx> wrote: >>>>> adding Julius here, >>>> >>>> i think i had missed adding Julius for this entire series :-( >>>> I should be more careful with the CC list in future. >>>> Added his chromium id, since that seems to be more active. >>>> >>>>> >>>>> >>>>> On Tue, Sep 9, 2014 at 8:12 PM, Felipe Balbi <balbi@xxxxxx> wrote: >>>>>> On Tue, Sep 09, 2014 at 07:19:50AM +0530, Vivek Gautam wrote: >>>>>>> Hi, >>>>>>> >>>>>>> >>>>>>> On Mon, Sep 8, 2014 at 7:14 PM, Felipe Balbi <balbi@xxxxxx> wrote: >>>>>>>> Hi, >>>>>>>> >>>>>>>> On Mon, Sep 08, 2014 at 09:53:09AM +0530, Vivek Gautam wrote: >>>>>>>>> On Fri, Sep 5, 2014 at 11:26 PM, Felipe Balbi <balbi@xxxxxx> wrote: >>>>>>>>>> On Thu, Sep 04, 2014 at 12:01:19PM +0530, Vivek Gautam wrote: >>>>>>>>>>>> Don't we have phy_power_on() >>>>>>>>>>>> for that ? It looks like you could just as well do this from >>>>>>>>>>>> phy_power_on() ? >>>>>>>>>>> >>>>>>>>>>> No, unfortunately keeping these calibration settings in phy_power_on() >>>>>>>>>>> doesn't help, since we need to do this after XHCI reset has happened. >>>>>>>>>> >>>>>>>>>> teach xHCI about PHYs ? >>>>>>>>> >>>>>>>>> sorry i couldn't understand you here. >>>>>>>>> Aren't we trying to do the same with Heikki's patch about dwc3 : >>>>>>>>> [PATCH 6/6] usb: dwc3: host: convey the PHYs to xhci >>>>>>>>> >>>>>>>>> and the 2nd patch in this series : >>>>>>>>> [PATCH v6 2/4] usb: host: xhci-plat: Get PHYs for xhci's hcds >>>>>>>>> >>>>>>>>> Is there something else that is expected ? >>>>>>>> >>>>>>>> right, use that to call phy_init() at the right time, then you need to >>>>>>>> add a new ->calibrate() method which, likely, will only be used by you >>>>>>>> ;-) >>>>>>> >>>>>>> so you mean, the xhci should itself call phy_init() at a time suitable, >>>>>>> so that ->calibrate() is not required at all ? > > but wait, dwc3 does a phy_init() already, then how xhci will be able to > do that again. We can't do phy_init() multiple times right ? right. I think we should split and do phy ops separately for dwc3 host and gadget? Thanks Kishon -- 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