[PATCH] ublox: ignore ttyACM0

Aleksander Morgado aleksander at aleksander.es
Fri Mar 9 17:43:50 UTC 2018


On Tue, Mar 6, 2018 at 10:10 PM, Aleksander Morgado
<aleksander at aleksander.es> wrote:
> On Tue, Mar 6, 2018 at 5:56 PM, Aleksander Morgado
> <aleksander at aleksander.es> wrote:
>> We used ttyACM0 as secondary port until now, just because we had an
>> extra AT capable TTY around in addition to the main control ttyACM2
>> port.
>>
>> Turns out, using this ttyACM0 may actually break the connection setup
>> in the wwan interface in a bad way (e.g. not allowing DHCP setup).
>>
>> The suggestion from u-blox and Intel is to fully ignore ttyACM0; and
>> given that we no longer need any primary/secondary port logic, we just
>> remove all the associated udev tags.
>
> Should have said in the commit message that this applies to the
> *TOBY-L4* btw. Will do that change in the commit message once this one
> gets in, unless there's some more changes to do.
>

Pushed this one to git master already.

>> ---
>>  plugins/ublox/77-mm-ublox-port-types.rules |  7 +++----
>>  plugins/ublox/mm-plugin-ublox.c            | 29 -----------------------------
>>  2 files changed, 3 insertions(+), 33 deletions(-)
>>
>> diff --git a/plugins/ublox/77-mm-ublox-port-types.rules b/plugins/ublox/77-mm-ublox-port-types.rules
>> index 0c5b0961..cb77f0e0 100644
>> --- a/plugins/ublox/77-mm-ublox-port-types.rules
>> +++ b/plugins/ublox/77-mm-ublox-port-types.rules
>> @@ -8,13 +8,12 @@ LABEL="mm_ublox_port_types"
>>  SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="?*", ENV{.MM_USBIFNUM}="$attr{bInterfaceNumber}"
>>
>>  # Toby-L4 port types
>> -#  ttyACM0 (if #2): secondary
>> +#  ttyACM0 (if #2): secondary (ignore)
>>  #  ttyACM1 (if #4): debug port (ignore)
>>  #  ttyACM2 (if #6): primary
>>  #  ttyACM3 (if #8): AT port for FOTA (ignore)
>> -ATTRS{idVendor}=="1546", ATTRS{idProduct}=="1010", ENV{.MM_USBIFNUM}=="02", ENV{ID_MM_UBLOX_SECONDARY_PORT}="1"
>> +ATTRS{idVendor}=="1546", ATTRS{idProduct}=="1010", ENV{.MM_USBIFNUM}=="02", ENV{ID_MM_PORT_IGNORE}="1"
>>  ATTRS{idVendor}=="1546", ATTRS{idProduct}=="1010", ENV{.MM_USBIFNUM}=="04", ENV{ID_MM_PORT_IGNORE}="1"
>> -ATTRS{idVendor}=="1546", ATTRS{idProduct}=="1010", ENV{.MM_USBIFNUM}=="06", ENV{ID_MM_UBLOX_PRIMARY_PORT}="1"
>>  ATTRS{idVendor}=="1546", ATTRS{idProduct}=="1010", ENV{.MM_USBIFNUM}=="08", ENV{ID_MM_PORT_IGNORE}="1"
>>
>> -LABEL="mm_ublox_port_types_end"
>> \ No newline at end of file
>> +LABEL="mm_ublox_port_types_end"
>> diff --git a/plugins/ublox/mm-plugin-ublox.c b/plugins/ublox/mm-plugin-ublox.c
>> index 5ee09a20..fc9ec0c6 100644
>> --- a/plugins/ublox/mm-plugin-ublox.c
>> +++ b/plugins/ublox/mm-plugin-ublox.c
>> @@ -47,34 +47,6 @@ create_modem (MMPlugin     *self,
>>                                                          product));
>>  }
>>
>> -static gboolean
>> -grab_port (MMPlugin     *self,
>> -           MMBaseModem  *modem,
>> -           MMPortProbe  *probe,
>> -           GError      **error)
>> -{
>> -    MMPortSerialAtFlag pflags = MM_PORT_SERIAL_AT_FLAG_NONE;
>> -    MMKernelDevice *port;
>> -    MMPortType port_type;
>> -
>> -    port_type = mm_port_probe_get_port_type (probe);
>> -    port = mm_port_probe_peek_port (probe);
>> -
>> -    if (mm_kernel_device_get_property_as_boolean (port, "ID_MM_UBLOX_PRIMARY_PORT")) {
>> -        mm_dbg ("(%s/%s)' port flagged as primary",
>> -                mm_port_probe_get_port_subsys (probe),
>> -                mm_port_probe_get_port_name (probe));
>> -        pflags = MM_PORT_SERIAL_AT_FLAG_PRIMARY;
>> -    } else if (mm_kernel_device_get_property_as_boolean (port, "ID_MM_UBLOX_SECONDARY_PORT")) {
>> -        mm_dbg ("(%s/%s) port flagged as secondary",
>> -                mm_port_probe_get_port_subsys (probe),
>> -                mm_port_probe_get_port_name (probe));
>> -        pflags = MM_PORT_SERIAL_AT_FLAG_SECONDARY;
>> -    }
>> -
>> -    return mm_base_modem_grab_port (modem, port, port_type, pflags, error);
>> -}
>> -
>>  /*****************************************************************************/
>>  /* Custom init context */
>>
>> @@ -295,5 +267,4 @@ mm_plugin_ublox_class_init (MMPluginUbloxClass *klass)
>>      MMPluginClass *plugin_class = MM_PLUGIN_CLASS (klass);
>>
>>      plugin_class->create_modem = create_modem;
>> -    plugin_class->grab_port    = grab_port;
>>  }
>> --
>> 2.15.1
>>
>
>
>
> --
> Aleksander
> https://aleksander.es



-- 
Aleksander
https://aleksander.es


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