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

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Date:   Thu, 29 Mar 2018 21:44:12 +0200
From:   Pavel Machek <pavel@....cz>
To:     Dan Williams <dcbw@...hat.com>, ofono@...no.org
Cc:     Sebastian Reichel <sre@...nel.org>,
        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

Hi!

> > Does ofonod work for you? I could not get that one to work...
> 
> Because it's looking for a Gobi modem but the MDM6600 isn't one and
> doesn't expose that layout (and doesn't really need to anyway).  I
> don't think ofono has a generic QMI driver, so you'd either need to for
> ce it to use the telitqmi or quectelqmi drivers, or write your own
> generic QMI one.

You are right, it is detected as gobi now:

user@...uan:/my/ofono$ sudo python2 test/list-modems
[ /gobi_0 ]
    SystemPath =
    /sys/devices/platform/44000000.ocp/4a064000.usbhshost/4a064800.ohci/usb2/2-1
 Features =
 Emergency = 0
 Powered = 0
 Lockdown = 0
 Interfaces =
 Online = 0
 Type = hardware

...and nothing works.

commit db9b292f9290b97c87a8d4b4836af4763c06a39c
Author: Bassem Boubaker <bassem.boubaker@...ia.fr>
Date:   Mon Mar 19 17:57:31 2018 +0100

I tried this:

diff --git a/plugins/udevng.c b/plugins/udevng.c
index ff5d41af..6b103254 100644
--- a/plugins/udevng.c
+++ b/plugins/udevng.c
@@ -1578,8 +1578,6 @@ static struct {
 	{ "mbm",	"cdc_ether",	"0930"		},
 	{ "mbm",	"cdc_ncm",	"0930"		},
 	{ "hso",	"hso"				},
-	{ "gobi",	"qmi_wwan"			},
-	{ "gobi",	"qcserial"			},
 	{ "sierra",	"qmi_wwan",	"1199"		},
 	{ "sierra",	"qcserial",	"1199"		},
 	{ "sierra",	"sierra"			},
@@ -1602,6 +1600,8 @@ static struct {
 	{ "telit",	"cdc_acm",	"1bc7", "0021"	},
 	{ "telitqmi",	"qmi_wwan",	"1bc7", "1201"	},
 	{ "telitqmi",	"option",	"1bc7", "1201"	},
+	{ "telitqmi",	"qmi_wwan",	"22b8", "2a70"	},
+	{ "telitqmi",	"option",	"22b8", "2a70"	},
 	{ "nokia",	"option",	"0421", "060e"	},
 	{ "nokia",	"option",	"0421", "0623"	},
 	{ "samsung",	"option",	"04e8", "6889"	},

But no luck:

ofonod[15879]: plugins/udevng.c:create_modem()
/sys/devices/platform/44000000.ocp/4a064000.usbhshost/4a064800.ohci/usb2/2-1
ofonod[15879]: plugins/udevng.c:create_modem() driver=telitqmi
ofonod[15879]: src/modem.c:ofono_modem_create() name: (null), type:
telitqmi
ofonod[15879]: plugins/udevng.c:setup_telitqmi()
/sys/devices/platform/44000000.ocp/4a064000.usbhshost/4a064800.ohci/usb2/2-1
ofonod[15879]: plugins/udevng.c:setup_telitqmi() /dev/cdc-wdm0
255/251/255 05 (null) usbmisc
ofonod[15879]: plugins/udevng.c:setup_telitqmi() wwan0 255/251/255 05
(null) net
ofonod[15879]: plugins/udevng.c:setup_telitqmi() /dev/cdc-wdm1
255/251/255 06 (null) usbmisc
ofonod[15879]: plugins/udevng.c:setup_telitqmi() wwan1 255/251/255 06
(null) net
ofonod[15879]: plugins/udevng.c:setup_telitqmi() /dev/cdc-wdm2
255/251/255 07 (null) usbmisc
ofonod[15879]: plugins/udevng.c:setup_telitqmi() wwan2 255/251/255 07
(null) net
ofonod[15879]: plugins/udevng.c:setup_telitqmi() /dev/cdc-wdm3
255/251/255 08 (null) usbmisc
ofonod[15879]: plugins/udevng.c:setup_telitqmi() wwan3 255/251/255 08
(null) net
ofonod[15879]: plugins/udevng.c:destroy_modem()
/sys/devices/platform/44000000.ocp/4a064000.usbhshost/4a064800.ohci/usb2/2-1
ofonod[15879]: src/modem.c:ofono_modem_remove() 0x596480
ofonod[15879]: plugins/udevng.c:destroy_modem() /dev/cdc-wdm0
ofonod[15879]: plugins/udevng.c:destroy_modem() wwan0
ofonod[15879]: plugins/udevng.c:destroy_modem() /dev/cdc-wdm1
ofonod[15879]: plugins/udevng.c:destroy_modem() wwan1
ofonod[15879]: plugins/udevng.c:destroy_modem() /dev/cdc-wdm2
ofonod[15879]: plugins/udevng.c:destroy_modem() wwan2
ofonod[15879]: plugins/udevng.c:destroy_modem() /dev/cdc-wdm3
ofonod[15879]: plugins/udevng.c:destroy_modem() wwan3
ofonod[15879]: plugins/upower.c:upower_connect() upower connect
ofonod[15879]: plugins/hfp_hf_bluez5.c:connect_handler() Registering
External Profile handler ...

With quectelqmi result was similar.

I know there are AT commands available at /dev/ttyUSB4. Is there easy
way to make ofonod connect to that?

Thanks,
								Pavel

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

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