Comment 13 for bug 511066

There are further patches for sierra modems in kernel 2.6.34-rc7. From the changelog:

commit 6f1464bf65fcaa57a4b32dae93de4e8bbdfaf7c5
Author: Elina Pasheva
Date: Wed Apr 28 13:28:24 2010 +0000

    net/usb: initiate sync sequence in sierra_net.c driver

    The following patch adds the initiation of the sync sequence to
    "sierra_net_bind()". If this step is omitted, the modem will never sync up
    with the host and it will not be possible to establish a data connection.

    Signed-off-by: Elina Pasheva
    Signed-off-by: Rory Filer
    Tested-by: Elina Pasheva
    Signed-off-by: David S. Miller

and

commit 2fdc45c7c4c283bc6882de20d2d887dc3bfdd899
Author: Elina Pasheva
Date: Fri Apr 30 19:05:28 2010 -0700

    net/usb: remove default in Kconfig for sierra_net driver

    The following patch removes the default from the Kconfig entry for sierra_net
    driver as recommended.

    Signed-off-by: Elina Pasheva
    Signed-off-by: Rory Filer
    Signed-off-by: David S. Miller