linux-kernel - Re: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4

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Message-ID: <20180323201343.GC23658@amd>
Date:   Fri, 23 Mar 2018 21:13:43 +0100
From:   Pavel Machek <pavel@....cz>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     Dan Williams <dcbw@...hat.com>, Tony Lindgren <tony@...mide.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Marcel Partap <mpartap@....net>,
        Michael Scott <michael.scott@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600
 on Droid 4

On Fri 2018-03-23 12:35:21, Sebastian Reichel wrote:
> Hi,
> 
> On Fri, Mar 23, 2018 at 11:54:55AM +0100, Pavel Machek wrote:
> > Hi!
> > 
> > > > > Do you have the related dts patches picked from next?
> > > > > 
> > > > > fdd192037fce ("ARM: dts: omap4-droid4: Fix USB PHY port naming")
> > > > > e5b9fd7bdeb5 ("ARM: dts: omap4-droid4: Configure MDM6600 USB PHY")
> > > > > 
> > > > > But yeah all you need to do is have phy-mapphone-mdm6600 and
> > > > > ohci-platform loaded and then ifconfig should show four wwan
> > > > > interfaces being added.
> > > > 
> > > > ifconfig? I thought I should get /dev/ttyUSB0..3?
> > > 
> > > I believe they are QMI via qmi_wwan, not TTYs.
> > 
> > Well, qmicli expects device path... and I see nothing on ifconfig. Any
> > idea how the device would be named?
> > 
> > But I believe it just does not work, see the qcserial experiment with
> > new_id below.
> 
> Dan is right, you need qmi_wwan driver. qmicli expects
> /dev/cdc-wdm<num> device. I use this on Droid 4:
> 
> qmicli -d /dev/cdc-wdm0 --some-other-option

Aha, there's ./drivers/usb/serial/usb_wwan.c and there's
./drivers/net/usb/qmi_wwan.o . That confused me.

qmicli now works for me, thanks!

Tested-by: Pavel Machek <pavel@....cz>

Does ofonod work for you? I could not get that one to work...

ofonod[4083]: plugins/udevng.c:create_modem()
/sys/devices/platform/44000000.ocp/4a064000.usbhshost/4a064800.ohci/usb2/2-1
ofonod[4083]: plugins/udevng.c:create_modem() driver=gobi
ofonod[4083]: src/modem.c:ofono_modem_create() name: (null), type:
gobi
ofonod[4083]: plugins/udevng.c:setup_gobi()
/sys/devices/platform/44000000.ocp/4a064000.usbhshost/4a064800.ohci/usb2/2-1
ofonod[4083]: plugins/udevng.c:setup_gobi() /dev/cdc-wdm0 255/251/255
05 (null) (null) usbmisc
ofonod[4083]: plugins/udevng.c:setup_gobi() wwan0 255/251/255 05
(null) (null) net
ofonod[4083]: plugins/udevng.c:setup_gobi() /dev/cdc-wdm1 255/251/255
06 (null) (null) usbmisc
ofonod[4083]: plugins/udevng.c:setup_gobi() wwan1 255/251/255 06
(null) (null) net
ofonod[4083]: plugins/udevng.c:setup_gobi() /dev/cdc-wdm2 255/251/255
07 (null) (null) usbmisc
ofonod[4083]: plugins/udevng.c:setup_gobi() wwan2 255/251/255 07
(null) (null) net
ofonod[4083]: plugins/udevng.c:setup_gobi() /dev/cdc-wdm3 255/251/255
08 (null) (null) usbmisc
ofonod[4083]: plugins/udevng.c:setup_gobi() wwan3 255/251/255 08
(null) (null) net
ofonod[4083]: plugins/udevng.c:destroy_modem()
/sys/devices/platform/44000000.ocp/4a064000.usbhshost/4a064800.ohci/usb2/2-1
ofonod[4083]: src/modem.c:ofono_modem_remove() 0x5eb380
ofonod[4083]: plugins/udevng.c:destroy_modem() /dev/cdc-wdm0
ofonod[4083]: plugins/udevng.c:destroy_modem() wwan0
ofonod[4083]: plugins/udevng.c:destroy_modem() /dev/cdc-wdm1
ofonod[4083]: plugins/udevng.c:destroy_modem() wwan1
ofonod[4083]: plugins/udevng.c:destroy_modem() /dev/cdc-wdm2
ofonod[4083]: plugins/udevng.c:destroy_modem() wwan2
ofonod[4083]: plugins/udevng.c:destroy_modem() /dev/cdc-wdm3
ofonod[4083]: plugins/udevng.c:destroy_modem() wwan3
ofonod[4083]: plugins/upower.c:upower_connect() upower connect
ofonod[4083]: plugins/hfp_hf_bluez5.c:connect_handler() Registering
External Profile handler ...

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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