Re: [PATCH net] net: qmi_wwan: fix Gobi device probing

[David Miller <davem@xxxxxxxxxxxxx>]

From: Bjørn Mork <bjorn@xxxxxxx>
Date: Thu, 21 Jun 2012 14:45:58 +0200

> Ignoring interfaces with additional descriptors is not a reliable
> method for locating the correct interface on Gobi devices.  There
> is at least one device where this method fails:
> https://bbs.archlinux.org/viewtopic.php?id=143506
> 
> The result is that the AT command port (interface #2) is hidden
> from qcserial, preventing traditional serial modem usage:
 ...
> Use static interface numbers taken from the interface map in
> qcserial for all Gobi devices instead:
 ...
> This should be more reliable over all, and will also prevent the
> noisy "probe failed" messages.  The whitelisting logic is expected
> to be replaced by direct interface number matching in 3.6.
> 
> Reported-by: Heinrich Siebmanns (Harvey) <H.Siebmanns@xxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v3.4: 0000188 USB: qmi_wwan: Make forced int 4 whitelist generic
> Cc: <stable@xxxxxxxxxxxxxxx> # v3.4: f7142e6 USB: qmi_wwan: Add ZTE (Vodafone) K3520-Z
> Cc: <stable@xxxxxxxxxxxxxxx> # v3.4
> Signed-off-by: Bjørn Mork <bjorn@xxxxxxx>

Applied.
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