Remove redundant call to ch341_close from error path when submission of
the interrupt urb fails in open.
Signed-off-by: Johan Hovold <johan@kernel.org>
Just another device id for cp210x.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
USB-serial fixes for v3.19-rc7
Just another device id for cp210x.
Signed-off-by: Johan Hovold <johan@kernel.org>
Added the USB serial console device ID for Siemens Ruggedcom devices
which have a USB port for their serial console.
Signed-off-by: Len Sorensen <lsorense@csclub.uwaterloo.ca>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
There is old, unused code that is #defined out by the use of NOTMOS7840
and NOTMCS7840 - these are not defined anywhere.
If NOTMOS7840 is defined then the code will break on null pointer
dereferences on mos7840_port. So the code is currently unused, and
broken anyway, so why not just remove it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
If a USB serial device (e.g. /dev/ttyUSB0) with an active program is
unplugged, an -ENODEV (19) error will be produced after it gives up
trying to resubmit a read.
usb_serial_generic_submit_read_urb - usb_submit_urb failed: -19
Add -ENODEV as one of the permanent errors along with -EPERM that
usb_serial_generic_submit_read_urb() handles quietly without an error.
Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
If a USB serial device is unplugged while there is an active program
using the device it may spam the logs with -EPROTO (71) messages as it
attempts to retry.
Most serial usb drivers (metro-usb, pl2303, mos7840, ...) only output
these messages for debugging. The generic driver treats these as
errors.
Change the default output for the generic serial driver from error to
debug to silence these non-critical errors.
Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Use tty kref to release the fake tty in usb_console_setup to avoid use
after free if the underlying serial driver has acquired a reference.
Note that using the tty destructor release_one_tty requires some more
state to be initialised.
Fixes: 4a90f09b20 ("tty: usb-serial krefs")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
The USB console currently allocates a temporary fake tty which is used
to pass terminal settings to the underlying serial driver.
The tty struct is not fully initialised, something which can lead to a
lockdep warning (or worse) if a serial driver tries to acquire a
line-discipline reference:
usbserial: USB Serial support registered for pl2303
pl2303 1-2.1:1.0: pl2303 converter detected
usb 1-2.1: pl2303 converter now attached to ttyUSB0
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 68 Comm: udevd Tainted: G W 3.18.0-rc5 #10
[<c0016f04>] (unwind_backtrace) from [<c0013978>] (show_stack+0x20/0x24)
[<c0013978>] (show_stack) from [<c0449794>] (dump_stack+0x24/0x28)
[<c0449794>] (dump_stack) from [<c006f730>] (__lock_acquire+0x1e50/0x2004)
[<c006f730>] (__lock_acquire) from [<c0070128>] (lock_acquire+0xe4/0x18c)
[<c0070128>] (lock_acquire) from [<c027c6f8>] (ldsem_down_read_trylock+0x78/0x90)
[<c027c6f8>] (ldsem_down_read_trylock) from [<c027a1cc>] (tty_ldisc_ref+0x24/0x58)
[<c027a1cc>] (tty_ldisc_ref) from [<c0340760>] (usb_serial_handle_dcd_change+0x48/0xe8)
[<c0340760>] (usb_serial_handle_dcd_change) from [<bf000484>] (pl2303_read_int_callback+0x210/0x220 [pl2303])
[<bf000484>] (pl2303_read_int_callback [pl2303]) from [<c031624c>] (__usb_hcd_giveback_urb+0x80/0x140)
[<c031624c>] (__usb_hcd_giveback_urb) from [<c0316fc0>] (usb_giveback_urb_bh+0x98/0xd4)
[<c0316fc0>] (usb_giveback_urb_bh) from [<c0042e44>] (tasklet_hi_action+0x9c/0x108)
[<c0042e44>] (tasklet_hi_action) from [<c0042380>] (__do_softirq+0x148/0x42c)
[<c0042380>] (__do_softirq) from [<c00429cc>] (irq_exit+0xd8/0x114)
[<c00429cc>] (irq_exit) from [<c007ae58>] (__handle_domain_irq+0x84/0xdc)
[<c007ae58>] (__handle_domain_irq) from [<c000879c>] (omap_intc_handle_irq+0xd8/0xe0)
[<c000879c>] (omap_intc_handle_irq) from [<c0014544>] (__irq_svc+0x44/0x7c)
Exception stack(0xdf4e7f08 to 0xdf4e7f50)
7f00: debc0b80 df4e7f5c 00000000 00000000 debc0b80 be8da96c
7f20: 00000000 00000128 c000fc84 df4e6000 00000000 df4e7f94 00000004 df4e7f50
7f40: c038ebc0 c038d74c 600f0013 ffffffff
[<c0014544>] (__irq_svc) from [<c038d74c>] (___sys_sendmsg.part.29+0x0/0x2e0)
[<c038d74c>] (___sys_sendmsg.part.29) from [<c038ec08>] (SyS_sendmsg+0x18/0x1c)
[<c038ec08>] (SyS_sendmsg) from [<c000fa00>] (ret_fast_syscall+0x0/0x48)
console [ttyUSB0] enabled
Fixes: 36697529b5 ("tty: Replace ldisc locking with ldisc_sem")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
As has been discussed in the thread starting with
https://lkml.kernel.org/g/549748e9.d+SiJzqu50f1r4lSAL043YSc@arcor.de
Sierra Wireless MC73xx devices with USB VID/PID 0x1199:0x68c0 require the
option_send_setup() code to be used on the USB interface for the AT port
to make unsolicited response codes work correctly. Move these devices from
the qcserial driver where they have been added by commit
70a3615fc0 ("usb: qcserial: add Sierra Wireless
MC73xx") to the option driver and add a MC73xx-specific blacklist
to ensure that
1. the sendsetup code is not used for the DIAG/DM and NMEA interfaces
2. the option driver does not attach to the QMI/network interfaces
Signed-off-by: Reinhard Speyerer <rspmn@arcor.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Added virtual com port VID/PID entries for CEL USB sticks and MeshWorks
devices.
Signed-off-by: David Peterson <david.peterson@cel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix null-pointer dereference during probe if the interface-status
completion handler is called before the individual ports have been set
up.
Fixes: f79b2d0fe8 ("USB: keyspan: fix NULL-pointer dereferences and
memory leaks")
Reported-by: Richard <richjunk@pacbell.net>
Tested-by: Richard <richjunk@pacbell.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Fixing typo for MeshConnect IDs. The original PID (0x8875) is not in
production and is not needed. Instead it has been changed to the
official production PID (0x8857).
Signed-off-by: Preston Fick <pffick@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Here's the big set of USB and PHY patches for 3.19-rc1.
The normal churn in the USB gadget area is in here, as well as xhci and
other individual USB driver updates. The PHY tree is also in here, as
there were dependancies on the USB tree.
All of these have been in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big set of USB and PHY patches for 3.19-rc1.
The normal churn in the USB gadget area is in here, as well as xhci
and other individual USB driver updates. The PHY tree is also in
here, as there were dependancies on the USB tree.
All of these have been in linux-next"
* tag 'usb-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (351 commits)
arm: omap3: twl: remove usb phy init data
usbip: fix error handling in stub_probe()
usb: gadget: udc: missing curly braces
USB: mos7720: delete some unneeded code
wusb: replace memset by memzero_explicit
usbip: remove unneeded structure
usb: xhci: fix comment for PORT_DEV_REMOVE
xhci: don't use the same variable for stopped and halted rings current TD
xhci: clear extra bits from slot context when setting max exit latency
xhci: cleanup finish_td function
USB: adutux: NULL dereferences on disconnect
usb: chipidea: fix platform_no_drv_owner.cocci warnings
usb: chipidea: Fixed a few typos in comments
Documentation: bindings: add doc for the USB2 ChipIdea USB driver
usb: chipidea: add a usb2 driver for ci13xxx
usb: chipidea: fix phy handling
usb: chipidea: remove duplicate dev_set_drvdata for host_start
usb: chipidea: parameter 'mode' isn't needed for hw_device_reset
usb: chipidea: add controller reset API
usb: chipidea: remove flag CI_HDRC_REQUIRE_TRANSCEIVER
...
The "status" is uninitialized so this creates a static checker warning.
But it's harmless, we can just delete it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These changes add a new "simple" driver for Google USB-serial
devices and add support for Huawei Gobi modems to qcserial.
Included are also some removals of unnecessary atomic allocations and
a few spelling fixes.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v3.19-rc1
These changes add a new "simple" driver for Google USB-serial
devices and add support for Huawei Gobi modems to qcserial.
Included are also some removals of unnecessary atomic allocations and
a few spelling fixes.
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix reporting of overrun errors, which should only be reported once
using the inserted null character.
Fixes: 6b8f1ca558 ("USB: ssu100: set tty_flags in ssu100_process_packet")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix reporting of overrun errors, which are not associated with a
character. Instead insert a null character and report only once.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix handling of TTY error flags, which are not bitmasks and must
specifically not be ORed together as this prevents the line discipline
from recognising them.
Also insert null characters when reporting overrun errors as these are
not associated with the received character.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Added new device layout "DEVICE_HWI" and also added the USB VID/PID for the
HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e)
Signed-off-by: Martin Hauke <mardnh@gmx.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Add PIDs for new Matrix Orbital GTT series products.
Signed-off-by: Troy Clark <tclark@matrixorbital.ca>
Cc: stable <stable@vger.kernel.org>
[johan: shorten commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Add support for Google devices that export simple serial
interfaces using the vendor specific SubClass/Protocol pair
0x50/0x01.
Signed-off-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
[johan: move id entries and update Kconfig]
Signed-off-by: Johan Hovold <johan@kernel.org>
Use GFP_KERNEL instead of GFP_ATOMIC for allocations in set_termios and
port-setting helper which both may and do sleep.
Signed-off-by: Johan Hovold <johan@kernel.org>
Use GFP_KERNEL instead of GFP_ATOMIC for allocations in set_termios and
port-setting helper which both may and do sleep.
Signed-off-by: Johan Hovold <johan@kernel.org>
Write may be called from interrupt context so make sure to use
GFP_ATOMIC for all allocations in write.
Fixes: 0d930e51cf ("USB: opticon: Add Opticon OPN2001 write support")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Write may be called from interrupt context so make sure to use
GFP_ATOMIC for all allocations in write.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
An official recent Windows driver from FTDI detects counterfeit devices
and reprograms the internal EEPROM containing the USB PID to 0, effectively
bricking the device.
Add support for this VID/PID pair to correctly bind the driver on these
devices.
See:
http://hackaday.com/2014/10/22/watch-that-windows-update-ftdi-drivers-are-killing-fake-chips/
Signed-off-by: Perry Hung <iperry@gmail.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Entrega is misspelled as Entregra or Entrgra, so fix that.
Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Signed-off-by: Johan Hovold <johan@kernel.org>
Commit 90419cfcb5,
"USB: kobil_sct: fix control requests without data stage", removed
the bogus data buffer arguments, but still allocate transfer
buffers which are not used.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Port layout:
0: QCDM/DIAG
1: NMEA
2: AT
3: AT/PPP
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Add VID/PID for Telit LE910 modem. Interfaces description is almost the
same than LE920, except that the qmi interface is number 2 (instead than
5).
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Add new IDs for the Xsens Awinda Station and Awinda Dongle.
While at it, order the definitions by PID and add a logical separation
between devices using Xsens' VID and those using FTDI's VID.
Cc: <stable@vger.kernel.org>
Signed-off-by: Frans Klaver <frans.klaver@xsens.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Enable Silicon Labs Ember VID chips to enumerate with the cp210x usb serial
driver. EM358x devices operating with the Ember Z-Net 5.1.2 stack may now
connect to host PCs over a USB serial link.
Signed-off-by: Nathaniel Ting <nathaniel.ting@silabs.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Here's the big tty/serial driver patchset for 3.18-rc1.
Lots of little things in here, some good work from Peter Hurley on the
tty core, and in lots of drivers. There are also lots of other driver
updates in here as well, full details in the changelog below.
All have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here's the big tty/serial driver patchset for 3.18-rc1.
Lots of little things in here, some good work from Peter Hurley on the
tty core, and in lots of drivers. There are also lots of other driver
updates in here as well, full details in the changelogs.
All have been in the linux-next tree for a while"
* tag 'tty-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (99 commits)
Revert "serial/core: Initialize the console pm state"
tty: serial: 8250: use 32bit variable for rpm_tx_active
tty: serial: msm: Add earlycon support
serial/core: Initialize the console pm state
serial: asc: Conditionally use readl_relaxed (COMPILE_TEST)
serial: of-serial: add PM suspend/resume support
m68k: AMIGA_BUILTIN_SERIAL should depend on TTY
asm/uapi: Add definition of TIOC[SG]RS485
tty/metag_da: Add console_poll module parameter
serial: 8250_pci: remove rts_n override from Baytrail quirk
serial: cadence: Add generic earlycon support
serial: imx: change the wait even to interruptiable
serial: imx: terminate the RX DMA when the UART is suspending
serial: imx: fix throttle/unthrottle callbacks for hardware assisted flow control
serial: 8250: Add Quark X1000 to 8250_pci.c
tty: omap-serial: pull out calculation from baud_is_mode16
tty: omap-serial: fix division by zero
xen_hvc: no reason to write the type key on xenstore
tty: serial: 8250_core: remove UART_IER_RDI in serial8250_stop_rx()
tty: serial: 8250_core: use the ->line argument as a hint in serial8250_find_match_or_unused()
...
Here are two more device IDs for v3.17.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-3.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial fixes for v3.17
Here are two more device IDs for v3.17.
Signed-off-by: Johan Hovold <johan@kernel.org>
The tty core does not test tty->hw_stopped; remove from drivers
which don't test it themselves.
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Added the Seluxit ApS USB Serial Dongle to cp210x driver.
Signed-off-by: Andreas Bomholtz <andreas@seluxit.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Added support for Ketra N1 wireless interface, which uses the
Silicon Labs' CP2104 USB to UART bridge with customized PID 8946.
Signed-off-by: Joe Savage <joe.savage@goketra.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
The zte_ev driver is based on code (once) distributed by ZTE that still
appears to originally have been reverse-engineered and bolted onto the
generic driver.
A closer analysis of the zte_ev setup code reveals that it consists of
standard CDC requests (SET/GET_LINE_CODING and SET_CONTROL_LINE_STATE)
but unfortunately fails to get some of those right. In particular, as
reported by Lei Liu, it fails to lower DTR/RTS on close. It also appears
that the control requests lack the interface argument.
Since line control is already handled properly by the option driver, and
the SET/GET_LINE_CODING requests appears to be redundant (amounts to a
SET 9600 8N1) let's remove the redundant zte_ev driver.
Also move the remaining ZTE PIDs to the generic option modem driver.
Reported-by: Lei Liu <liu.lei78@zte.com.cn>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'v3.17-rc5' into usb-next
USB fixes in Linux 3.17-rc5 are needed to build on top of for 3.18.
Signed-off-by: Johan Hovold <johan@kernel.org>
Probe is testing if the current interface provides two bulk endpoints.
While this achieves the goal of only binding to the correct interface,
we already know we can find the device on interface number 1. Stop
checking the endpoints and just return successfully when interface
number 1 is probed.
Signed-off-by: Frans Klaver <frans.klaver@xsens.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Add simple driver for Medtronic CareLink USB devices.
Reported-by: Benjamin West <bewest@gmail.com>
Tested-by: Benjamin West <bewest@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Johan Hovold