Hi Andreas On Sun, Feb 4, 2018 at 11:50 AM, Andreas Kemnade <andr...@kemnade.info> wrote: > Hi, > > On Sun, 4 Feb 2018 09:43:45 +0100 > Michael Nazzareno Trimarchi <mich...@amarulasolutions.com> wrote: > >> Hi Andreas >> >> On Sun, Feb 4, 2018 at 9:38 AM, Andreas Kemnade <andr...@kemnade.info> wrote: >> > On Sun, 4 Feb 2018 00:10:50 +0100 >> > Michael Nazzareno Trimarchi <mich...@amarulasolutions.com> wrote: >> > >> >> Hi >> >> >> >> On Sun, Feb 4, 2018 at 12:03 AM, Andreas Kemnade <andr...@kemnade.info> >> >> wrote: >> >> > Hi, >> >> > >> >> > I booted a 4.15 kernel without udev and loaded modules piece by piece >> >> > to analyze >> >> > pm problems. modprobe ehci-omap increases current by around 35mA and >> >> > also rmmod ehci-omap does not let it go down at all. >> >> > >> >> > I expect that removing hardware does the same thing >> > nonsense sentence from me, was to tired. I would expect that removing the >> > modules >> > properly powers down the device. >> >> > >> >> > Also suspend current increases by around 15mA if that module is loaded. >> >> > I tested with having everything disabled which is attached to that usb >> >> > bus. >> >> > >> >> >> >> Do you have an LTE connected to the usb? >> >> >> > Yes, there is a UMTS modem attached, but it was off during the tests. >> > It did not enumerate on the modem. >> > >> >> Just to understand if the suspend current drop was connected to the >> suspend of lte modem on your side. >> So you don't have anything connected on usb bus? >> > Suspend current is increased when the ehci-omap module is loaded > in comparison to the state. I tested with the modem disabled, so there > is nothing on the bus. Increased suspend current is one thing, > current_before_modprobe_ehci_omap != current_after_rmmod_ehci_omap. > > I am testing with init=some_testscript.sh, so no userspace > is doing strange things. No module autoload or something. >
How many port are configured and how is the phy part connected to the ehci controller? Can you point me the schematic page? michael > Regards, > Andreas -- | Michael Nazzareno Trimarchi Amarula Solutions BV | | COO - Founder Cruquiuskade 47 | | +31(0)851119172 Amsterdam 1018 AM NL | | [`as] http://www.amarulasolutions.com | -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
