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Rework the qcprobe logic such that serial->private is not set when
qcprobe exits with -ENODEV, otherwise serial->private will point to freed
memory on -ENODEV
Signed-off-by: Steven Hardy <shardy@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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qcprobe function allocates serial->private but this is never freed, this
patch adds a new function qc_release() which frees serial->private, after
calling usb_wwan_release
Signed-off-by: Steven Hardy <shardy@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this patch to qcserial.c enables the Diagnostics Monitor
and NMEA GPS ports on Qualcomm Gobi 2000 devices.
A Gobi 2000 device will provide 3 serial ports:
# /dev/ttyUSB0 -> Diagnostics
# /dev/ttyUSB1 -> 3G Modem
# /dev/ttyUSB2 -> NMEA GPS port
* The Diagnostics Monitor uses Qualcomm's DM protocol; I used
libqcdm (ModemManager) to talk to it, found it working, but at
least DM commands 12 and 64 are not implemented on my device
(Gobi 2000 built into Thinkpad x100e).
* Functionality of the 3G Modem port remains unchanged.
* The GPS port and how to enable it has been confirmed now in the
Gobi 3000 source code at:
https://www.codeaurora.org/patches/quic/gobi/
Enable/disable GPS via:
echo "\$GPS_START" > /dev/ttyUSB2
# use GPS
echo "\$GPS_STOP" > /dev/ttyUSB2
Signed-off-by: Matthias G. Eckermann <mge@arcor.de>
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Seems to work fine in my testing.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Adds support for the Generic Qualcomm Gobi 2000 WWAN UMTS/CDMA modem
Signed-off-by: Andrew Bird <ajb@spheresytems.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds missing kfree(data) before return -ENODEV.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add ids for Qualcomm Gobi 2000 QDL and Modem modes. Gobi 2000 has a
single altsetting in QDL mode, so adapt code to handle that.
Firmware upload protocol is also slightly different, with an
additional firmware file. However, qcserial doesn't handle firmware
uploading.
Tested on Lenovo Thinkpad T510.
Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Make qcserial use the generic USB wwan code. This should result in a
performance improvement.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds various USB device IDs for Gobi 2000 devices, as found in the
drivers available at https://www.codeaurora.org/wiki/GOBI_Releases
Signed-off-by: Bernhard Rosenkraenzer <bero@arklinux.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The id_table field of the struct usb_device_id is constant in <linux/usb.h>
so it is worth to make the initialization data also constant.
The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
struct I1 {
...
const struct I2 *x;
...
};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
struct I1 y = {
.x = E,
};
@c@
identifier r.I2;
identifier s.E;
@@
const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+ const
struct I2 E[] = ...;
// </smpl>
Signed-off-by: Németh Márton <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add a set of device IDs from the Windows drivers. These aren't complete
(there's a couple of cases where a QDL device is identified without the
associated modem being identified), but it's better than the current
situation.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Driver originally written by Qualcomm, but rewritten by me due to the
totally different coding style. Cleaned up the probe logic to make a
bit more sense, this is one wierd device. They could have prevented all
of this by just writing sane firmware for the modem.
Cc: Tamm Liu <tamml@qualcomm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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