omninet kills all URBs in close. However write() returns as soon as
the URB has been submitted. Killing the last URB means a race that
can lose that date written in the last call to write().
As a fix this is moved to shutdown().
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
we report errors to the caller. THis patch adds error handling to the driver.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
- report errors
- cleanup in error case
- use of endianness macros
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds the USB ID of the ADS Tech USBX-707 USB IR blaster (that
comes with the ADS Tech PTV-305 grabber card), which has a ftdi232bm
inside hooked up to a pic.
With this it should be fairly straightforward to make at least lirc
receiving work with this device. I will submit a patch to lirc for that
as soon as I have one ready, I'm getting data with minicom with this
patch, but need to figure out some more details such as best/correct
baudrate.
Signed-off-by: Jelle Foks <jelle@foks.8m.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
this has the same race as the visor driver. The counter must be incremented
under the lock it is checked under.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
- proper endianness macros
- scheduling in interrupt in error case
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Naranjo Manuel Francisco <naranjo.manuel@gmail.com>
the sierra driver does not directly use usb_kill_urb(). It uses a wrapper.
This wrapper means that callbacks which are running are not killed during
close, resubmitting and illicitly pushing data into the tty layer.
The whole purpose of usb_kill_urb() is subverted. The wrapper must be removed.
The same problem as the option driver.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
the option driver does not directly use usb_kill_urb(). It uses a wrapper.
This wrapper means that callbacks which are running are not killed during
close, resubmitting and illicitly pushing data into the tty layer.
The whole purpose of usb_kill_urb() is subverted. The wrapper must be removed.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This fixes:
- breaking DMA rules about buffers
- usage of _global_ variables to save a single device's attributes
- racy access to urb->status
- smp monotonity issue with statistics
- use of one buffer for many simultaneous URBs
- error handling introduced
- several instances of following NULL pointers
- use after free
- unnecessary GFP_ATOMIC
- GFP_KERNEL in interrupt
- various cleanups
- write room granularity issue that bit cdc-acm
- race in shutdown
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
io_edgeport is using a global variable without locking.
This is _the_ classical race condition. This patch switches to atomic_t.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
this driver's help text incorrectly claims to support only single port
devices.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
this driver has an interesting way of handling ENOMEM: complain and ignore.
If you decide to live with allocation failures, you must
1. guard against URBs without corresponding buffers
2. complete allocation failures
3. always test entries for NULL before you follow the pointers
This patch does so.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
I write a patch adding support "SHARP EMONE(S01SH)" device for ipaq.c.
EMONE is a PDA with built-in HSDPA function.
From: Norihiko Tomiyama <norihiko.tomiyama@ctc-g.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Fix annoying build warning:
drivers/usb/serial/ftdi_sio.c:890: warning: enumeration value `FT232RL' not handled in switch
Also add logic to detect FT232R chips (version 6.00, usb 2.0 full speed),
so that case isn't completely useless. (NOTE: FT232RL and FT232RQ are
the same chip in different packages: L is SSOP, Q is QFN.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Fix annoying build warning when CONFIG_USB_SERIAL_GENERIC is undefined.
drivers/usb/serial/generic.c:24: warning: `generic_probe' declared `static' but never defined
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Both airprime and option now want to handle vendor ID 0x1410,
device ID 0x1100. Airprime calls it 'ExpressCard34 Qualcomm 3G CDMA'.
Option calls it 'Novatel Merlin XS620/S640'. Patch attached to remove it
from airprime.
From: Jon K Hellan <jon.kare.hellan@uninett.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This moves all of the Novatel device ids to the option driver, where
they belong.
Thanks to Novatel for providing a list of all supported devices.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Add an ID to recognise the Novatel EV620 wireless adapter.
http://www.novatelwireless.com/products/expedite/ev620.html
It looks like a mini PCI-Express adapter. The mPCIE connector includes USB
pins... the card shows up to the system as a USB device, and powers itself
from the PCI bus.
The card I have isn't activated yet, so I can't get a PPP session up yet, but
I have tested basic serial communication successfully in both 2.6.18 and
2.6.20 kernels, once the product ID was added. (the driver changed quite a
bit between the two revs.) In both drivers, it responds to AT commands and
such.
Signed-off-by: Mark Glines <mark@glines.org>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
these devices have a shared interrupt endpoint. For serialcore to pass
an interrupt endpoint to a subdriver, the subdriver must define and
_export_ a fitting callback. The mos7720 driver failed to do so. This led
invariably to an oops upon open. This patch fixes it. The driver is useless
without it. Please try to get this into 2.6.21 and the stable kernels that
have this driver.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch reverts d9a7ecacac since it
breaks drivers that need to access the ->port[] array in shutdown
(most of them).
Signed-Off: Jim Radford <radford@blackbean.org>
Acked-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Here is a patch adding the PID for the FT232RL to ftdi_sio. The patch
generates a warning during compilation because get_ftdi_divisor doesn't
explicitly handle the FT232RL with this patch, so I guess you don't want
to use it in its current state. It is all I could come up with with the
knowledge I have of the drivers at the moment, though, and I hope you
can have some use for it at least. It works fine with my DLP-TILT with
an FT232RL.
From: Gard Spreemann <spreeman@stud.ntnu.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Am Montag, 26. Februar 2007 15:16 schrieb Craig Schlenter:
> Hi Greg
>
> 34ef50e5b1 is definitely
> the source of the problem. Reverting that makes the
> ftdi port show up as ttyUSB0 again for me and it
> can actually be opened.
This patch should fix the issue.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Craig Schlenter <craig@codefountain.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
I encountered some problems with the airprime driver in use with a Novatel
Merlin XU870:
Closing an open Connection to e.g. /dev/ttyUSB0 doesn't reset the
RTS/DTR lines of the Modem. Consequently, when I use minicom to
establish a connection by "ATD*99#" the modem doesn't hang up even if i
exit minicom and so I cannot reuse the modem unless I remove it and plug
it in again.
With the attached patch, the RTS/DTR lines are resetted on a close. The
code was mainly taken from the option.c driver.
Convert all the port specific code in attach / shutdown to use the new
port_probe / port_register callbacks from device_register /
device_unregister allowing adding the sysfs attributes to be added at
the correct time and to the serial port device itself, instead of to
the unadorned usb device, avoiding a NULL dereference.
Signed-off-by: Jim Radford <radford@blackbean.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ensure that the ->port_remove() callbacks get called before the
->shutdown() callback which makeing the order symmetric with
->attach() being called before ->port_probe().
Signed-off-by: Jim Radford <radford@blackbean.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
I've developed some devices with FTDI chips (FT232xx). FTDI was so kind
to give some own PID's which I can use together with their VID. Some of
the devices are already very popular here and I have customers from
universities, institutes .....
I use the FTDI VID 0x0403. My PID's are:
0xff38 - IBS US485 (USB<-->RS422/485 interface)
0xff39 - IBS PIC-Programmer
0xff3a - IBS Card reader for PCMCIA SRAM-cards
0xff3b - IBS PK1 - Particel counter
0xff3c - IBS RS232 - Monitor
0xff3d - APP 70 (dust monitoring system)
0xff3e - IBS PEDO-Modem (RF modem 868.35 MHz)
0xff3f - future device
The company is "IBS Ing.-Buero Schleusener".
From: Thomas Schleusener <thomas@be-schl.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Here are two new device IDs for the cp2101 driver.
The diff is with linus's tree as of this evending.
From: Jon K Hellan <hellan@acm.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
I would like to add the VID and PID for Telldus Technologies Homeautomation
usb-dongle to the ftdi_sio driver.
From: Micke Prag <micke.prag@telldus.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This adds all of the known Option device ids to the driver.
Many thanks to some Option engineers for getting me this list.
Cc: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
There is no need to have two tables with the same device ids in it.
Cc: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds another usb id to the cp2101. It seems to work well.
Please apply, thanks.
Signed-off-by: Pozsar Balazs <pozsy@uhulinux.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
from: Kevin Lloyd <linux@sierrawireless.com>
This patch removes the Airprime 5220 device (branded as Audiovox) from
the option.c driver. This device is already supported by the sierra.c
driver.
This was based off of the option.c driver found in kernel 2.6.20-git11.
Signed-off-by: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Fix up the error processing path: in usb_submit_urb failed, we forgot
to free buffers. Also, don't free buffers in read callback: less error
prone, 21 LOC less, no need to comment so much. N.B. write path is ok
to do kfree.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
I added two fields to struct usb_serial_port to keep track of the
throttle state. Other usb-serial drivers typically use private data for
such things, but the generic driver can not really do that because some
of its code is also used by other drivers (which may have their own
private data needs).
As it is, I am not sure that this patch is useful in all scenarios.
It is certainly helpful for low-bandwidth devices that can hold their
data in response to throttling. But for devices that pump data in
real-time as fast as possible (webcam, A/D converter, etc), throttling
may actually cause more data loss.
From: Joris van Rantwijk <jorispubl@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch ensures that the device is turned on when inserted into the system.
It also adds more VID/PIDs and matches the N_OUT_URB with the airprime driver.
Signed-off-by: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
- fix an error code returned if a device has been disconnected
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
- take BKL before looking up a driver to associate with a device to make
sure the module is not unloaded after looking up but before association
& bumping module count
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
- introduce a spinlock for serial_table to eliminate the window between
looking up a device and getting a reference
- delay inscription of a new device into serial_table until it is fully
initialised
- make sure disconnect() kills all URBs to avoid leckage across a soft unbind
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
At least the Keyspan USA-19HS USB-to-serial converter supports
two different configurations, one where the input endpoints
have interrupt transfer type and one where they are bulk endpoints.
The default UHCI configuration uses the interrupt input endpoints.
The keyspan driver, OTOH, assumes that the device has only bulk
endpoints (all URBs are initialized by calling usb_fill_bulk_urb
in keyspan.c/ keyspan_setup_urb). This causes the interval field
of the input URBs to have a value of zero instead of one, which
'accidentally' worked with Linux at least up to 2.6.17.11 but
stopped to with 2.6.18, which changed the UHCI support code handling
URBs for interrupt endpoints. The patch below modifies to driver to
initialize its input URBs either as interrupt or as bulk URBs,
depending on the transfertype contained in the associated endpoint
descriptor (only tested with the default configuration) enabling
the driver to again receive data from the serial converter.
Greg K-H reworked the patch.
Signed-off-by: Rainer Weikusat <rweikusat@sncag.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
While adding the dynamic-id support to usb serial I found a small bug in
the air cable driver:
Adds module and name information to the usb_serial_driver instance
of aircable. So the aircable driver is correctly shown under
/sys/bus/usb-serial/drivers/aircable and has the module link.
Signed-off-by: Johannes Hölzl <johannes.hoelzl@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Every usb serial driver should have a pointer to the corresponding usb driver.
So the usb serial core can add a new id not only to the usb serial driver, but
also to the usb driver.
Also the usb drivers of ark3116, mos7720 and mos7840 missed the flag
no_dynamic_id=1. This is added now.
Signed-off-by: Johannes Hölzl <johannes.hoelzl@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Thanks to Johannes Hölzl <johannes.hoelzl@gmx.de> for fixing a few
things and getting it all working properly.
This adds support for dynamic usb ids to the usb serial core. The file
"new_id" will show up under the usb serial driver, not the usb driver
associated with the usb-serial driver (yeah, it can be a bit confusing
at first glance...)
This patch also modifies the USB core to allow the usb-serial core to
reuse much of the dynamic id logic.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Johannes Hölzl <johannes.hoelzl@gmx.de>
This patch adds EPiC support to the io_edgeport driver which adds
support for a number of NCR printers:
- NCR (Axiohm) 7401-K580 printer
- NCR (TEC) 7401-K590 printer, 7402-K592
- NCR (TEC) 7167, 7168 printers
- NCR (TEC) 7197, 7198, F306, F307, F309 printers
- NCR (Axiohm) 7194 printer
- NCR (Axiohm) 7158 printer
and a few more.
It is based on the 2.6.19 kernel.
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Fix void cast and re-enable on sparc.
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
drivers/usb/serial/funsoft.c: In function `funsoft_ioctl':
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_iflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_iflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_iflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_oflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_oflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_oflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_cflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_lflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_lflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_lflag' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_line' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_line' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_line' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
drivers/usb/serial/funsoft.c:35: warning: dereferencing `void *' pointer
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: error: request for member `c_cc' in something not a structure or union
drivers/usb/serial/funsoft.c:35: warning: type defaults to `int' in declaration of `type name'
Cc: David Clare <david@funsoft.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Just the serial port in the first interface should control DTR and RTS
lines. This way, the closing of the rest of the ports does not produce a=
hangup in the communication.
Signed-off-by: Miguel Angel Alvarez <ma.alvarez@ziv.es>
Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Add USB vendor/device IDs for Novatel Wireless S720 and U720 CDMA/EV-DO
modems to airprime.c.
Signed-off-by: Eric Smith <eric@brouhaha.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Added VendorId and ProductId for Huawei E220 USB Modem
Signed-off-by: Johann Wilhelm <johann.wilhelm@student.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Added a device specific ioctl function to prevent the disabling of canonical
mode. EINVAL is returned for any TCSETSF ioctl that doesn't have ICANON set.
This patch is for 2.6.17 or later kernels.
When "hwinfo --modem" is executed it opens the funsoft USB serial device and
disables canonical mode. The device is kept this way until hwininfo has
finished probing any modems on a system. The funsoft device expects to be
running in canonical mode. Switching the device to raw mode can cause
incomplete data packets and device timeouts.
Signed-off-by: David Clare <david@funsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
this patch adds the Baltech Reader ID to the list of USB IDs in the
CP2101 driver.
From: Johannes Hoelzl <johannes.hoelzl@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Several drivers have bogus ioctl code that tries unneccessarily to
override the standard processing. In the three cases here the actual code
is not only wrong but also not required as they implement the proper
set_termios method as well.
Remove the junk.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
below is a patch for the ftdi_sio driver to include a new device ID for
CCS MachX PIC programmer.
From: Jan Capek <jan@ccsinfo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Added the device id (0x413c, 0x8115) for the Dell wireless HSDPA 5500,
which is a rebranded Novatel EU730.
Signed-off-by: Eagle Jones <eagle@newdream.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Run this:
#!/bin/sh
for f in $(grep -Erl "\([^\)]*\) *k[cmz]alloc" *) ; do
echo "De-casting $f..."
perl -pi -e "s/ ?= ?\([^\)]*\) *(k[cmz]alloc) *\(/ = \1\(/" $f
done
And then go through and reinstate those cases where code is casting pointers
to non-pointers.
And then drop a few hunks which conflicted with outstanding work.
Cc: Russell King <rmk@arm.linux.org.uk>, Ian Molton <spyro@f2s.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Greg KH <greg@kroah.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Paul Fulghum <paulkf@microgate.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Karsten Keil <kkeil@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Ian Kent <raven@themaw.net>
Cc: Steven French <sfrench@us.ibm.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Jaroslav Kysela <perex@suse.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This is the grungy swap all the occurrences in the right places patch that
goes with the updates. At this point we have the same functionality as
before (except that sgttyb() returns speeds not zero) and are ready to
begin turning new stuff on providing nobody reports lots of bugs
If you are a tty driver author converting an out of tree driver the only
impact should be termios->ktermios name changes for the speed/property
setting functions from your upper layers.
If you are implementing your own TCGETS function before then your driver
was broken already and its about to get a whole lot more painful for you so
please fix it 8)
Also fill in c_ispeed/ospeed on init for most devices, although the current
code will do this for you anyway but I'd like eventually to lose that extra
paranoia
[akpm@osdl.org: bluetooth fix]
[mp3@de.ibm.com: sclp fix]
[mp3@de.ibm.com: warning fix for tty3270]
[hugh@veritas.com: fix tty_ioctl powerpc build]
[jdike@addtoit.com: uml: fix ->set_termios declaration]
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Acked-by: Peter Oberparleiter <oberpar@de.ibm.com>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
SLAB_ATOMIC is an alias of GFP_ATOMIC
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Conflicts:
drivers/infiniband/core/iwcm.c
drivers/net/chelsio/cxgb2.c
drivers/net/wireless/bcm43xx/bcm43xx_main.c
drivers/net/wireless/prism54/islpci_eth.c
drivers/usb/core/hub.h
drivers/usb/input/hid-core.c
net/core/netpoll.c
Fix up merge failures with Linus's head and fix new compilation failures.
Signed-Off-By: David Howells <dhowells@redhat.com>
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (103 commits)
usbcore: remove unused argument in autosuspend
USB: keep count of unsuspended children
USB hub: simplify remote-wakeup handling
USB: struct usb_device: change flag to bitflag
OHCI: make autostop conditional on CONFIG_PM
USB: Add autosuspend support to the hub driver
EHCI: Fix root-hub and port suspend/resume problems
USB: create a new thread for every USB device found during the probe sequence
USB: add driver for the USB debug devices
USB: added dynamic major number for USB endpoints
USB: pegasus error path not resetting task's state
USB: endianness fix for asix.c
USB: build the appledisplay driver
USB serial: replace kmalloc+memset with kzalloc
USB: hid-core: canonical defines for Apple USB device IDs
USB: idmouse cleanup
USB: make drivers/usb/core/driver.c:usb_device_match() static
USB: lh7a40x_udc remove double declaration
USB: pxa2xx_udc recognizes ixp425 rev b0 chip
usbtouchscreen: add support for DMC TSC-10/25 devices
...
If at some point cypress_init() fails deregister
only the resources that were registered until that point.
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
> 2006/11/11, Adrian Bunk <bunk@stusta.de>:
> > The Coverity checker spotted the following in
> > drivers/usb/serial/aircable.c:
> >
> > <-- snip -->
> >
> > ...
> > static void aircable_read(void *params)
> > {
> > ...
Hi everyone,
Sorry for the long time response but here is the patch, I think this way should
work, if anyone has any suggestion let me know. What I do now is, in case I
don't have the tty available I reschedule the work, I have tried it and it
works with no problem, I even tried removing the device, and didn't find
anything strange.
Signed-off-by: Naranjo Manuel <naranjo.manuel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
replace open coded kmemdup() to save some screen space,
and allow inlining/not inlining to be triggered by gcc.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Fix various .c/.h typos in comments (no code changes).
Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Adds support for HTC Smart Phones in modem mode (as opposed to sync
mode). Loads and works with pppd on my T-Mobile SDA.
Signed-off-by: Alex Sanks <alex@sanks.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Please add a usb pid to the ftdi_sio driver. The pid is used by dmx4all
dmx-interfaces (for stage lighting).
The interfaces are using the usb-id 0403:c850. I added the id to the driver
and it works perfectly. I added a patch for linux 2.6.18.1, too.
From: Frank Sievertsen <frank@sievertsen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Adds the vendor and prodcut id for a RFID construction kit from the
Elektor Electronics magazine, september 2006.
From: Kjell Myksvoll <kmyksvo@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch add AIRcable USBto USB-HID blacklist, makes some little
changes things in the Kconfig to make AIRcable USB look as all the rest
of drivers. And it removes the readme part that was on
Documentation/usb/usb-serial.txt because it is not needed anymore.
Signed-off-by: Naranjo Manuel Francisco <naranjo.manuel@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The new version of sierra.c has introduced tables for the 1 port and 3
port variants. The device id i added in my last patch needs to be added
to the 3 port table.
Signed-off-by: Jan Luebbe <jluebbe@lasnet.de>
Cc: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
3 new VID/PID combinations (registered with Silicon Laboratories Inc.)
added for devices made by Lipowsky Industrie Elektronik GmbH all using
the CP2102 usb-to-serial converter (Baby-JTAG, Baby-LIN, HARP-1).
Signed-off-by: Bjorn Schneider <schneider@lipowsky.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
As reported by Peter Kucmeroski and Jason Ganovsky.
Cc: Peter Kucmeroski <PKucmeroski@novell.com>
Cc: Jason Ganovsky <JGanovsky@novell.com>
Cc: Kevin Lloyd <klloyd@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Adds the device id used by the UMTS cards in Lenovo X60s notebooks sold
in Europe.
Signed-off-by: Jan Luebbe <jluebbe@lasnet.de>
Cc: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This saves over 30 lines and fixes a warning from sparse and allows
debugging to work dynamically like all other usb-serial drivers.
Cc: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The largest feature in this patch is that it adds significant throughput
increase to the Sierra driver and adds support for modem status line
control (e.g. the DTR line). This patch also updates the current sierra.c
driver so that it supports both 3-port Sierra devices and 1-port legacy
devices and removes Sierra's references in other related files (Kconfig and
airprime.c).
Signed-off-by: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds device ID 0xEA61. This is another factory default ID
used by SILabs.
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch fixes an obvious check-after-dereference spotted by the
Coverity checker.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Add support for Moschip 7720 USB dual port usb to serial device.
This driver is originally based on the drivers/usb/io_edgeport.c driver.
Cleaned up and forward ported by me.
Cc: VijayaKumar <vijaykumar@aspirecom.net>
Cc: AjayKumar <ajay@aspirecom.net>
Cc: Gurudeva <gurudev@aspirecom.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Adds support for the verizon wireless Broadband Access, National Access V640
ExpressCard34 Qualcomm 3G CDMA.
Reported by Maciej A. __enczykowski <maze@google.com>
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.
The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around. On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).
Where appropriate, an arch may override the generic storage facility and do
something different with the variable. On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.
Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions. Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller. A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.
I've build this code with allyesconfig for x86_64 and i386. I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.
This will affect all archs. Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:
struct pt_regs *old_regs = set_irq_regs(regs);
And put the old one back at the end:
set_irq_regs(old_regs);
Don't pass regs through to generic_handle_irq() or __do_IRQ().
In timer_interrupt(), this sort of change will be necessary:
- update_process_times(user_mode(regs));
- profile_tick(CPU_PROFILING, regs);
+ update_process_times(user_mode(get_irq_regs()));
+ profile_tick(CPU_PROFILING);
I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().
Some notes on the interrupt handling in the drivers:
(*) input_dev() is now gone entirely. The regs pointer is no longer stored in
the input_dev struct.
(*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does
something different depending on whether it's been supplied with a regs
pointer or not.
(*) Various IRQ handler function pointers have been moved to type
irq_handler_t.
Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
As part of an SMP cleanliness pass over UML, I consted a bunch of
structures in order to not have to document their locking. One of these
structures was a struct tty_operations. In order to const it in UML
without introducing compiler complaints, the declaration of
tty_set_operations needs to be changed, and then all of its callers need to
be fixed.
This patch declares all struct tty_operations in the tree as const. In all
cases, they are static and used only as input to tty_set_operations. As an
extra check, I ran an i386 allyesconfig build which produced no extra
warnings.
53 drivers are affected. I checked the history of a bunch of them, and in
most cases, there have been only a handful of maintenance changes in the
last six months. serial_core.c was the busiest one that I looked at.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
We have a couple of these USB-Serial converters around; they're slightly
different from the 2104 models in that they can handle 500Kb/sec over RS422.
The existing ftdi driver seems to work just fine if we add in the
appropriate IDs.
Patch is against 2.6.17.6, but should apply cleanly to pretty much
anything recent.
From: Justin Carlson <justinca@qatar.cmu.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds support for three OpenPort ECU data cables from Tactrix
Inc. to the ftdi_sio driver's device ID table. One of the PIDs was
supplied by Donour Sizemore on the ftdi-usb-sio-devel mailing list. The
other two were added by myself after examining the Windows driver software.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Adapted from an earlier patch by Greg KH <gregkh@suse.de>.
That patch added multiple read urbs and larger transfer buffers to allow
data transfers at full EvDO speed.
This version includes additional device IDs and fixes a memory leak in
the transfer buffer allocation.
Some (maybe all?) of the supported devices present multiple bulk endpoints,
the additional EPs can be used for control and status functions,
This version allocates 3 EPs by default, that can be changed using
the 'endpoints' module parameter.
Tested with Sierra Wireless EM5625 and MC5720 embedded modules.
Device ID (0x0c88, 0x17da) for the Kyocera Wireless KPC650/Passport
was added but is not yet tested.
From: Andy Gay <andy@andynet.net>
Cc: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Patch to add support for Alcor Micro Corp. USB 2.0 TO RS-232 converter.
This patch adds VID and PID to pl2303.[ch], adds it to the "HORRIBLE
HACK FOR PL2303" in usb-serial.c and also prevents cdc-acm to claim
driving this device by blacklisting it in hid-core.
Signed-off-by: Johannes Steingraeber <Jo_Stein@web.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Fix printk format warnings:
drivers/usb/serial/aircable.c:221: warning: format ‘%Zd’ expects type ‘signed size_t’, but argument 4 has type ‘int’
drivers/usb/serial/aircable.c:283: warning: format ‘%Zd’ expects type ‘signed size_t’, but argument 4 has type ‘int’
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Add driver for AIRcable USB Bluetooth dongle.
Signed-off-by: Naranjo, Manuel Francisco <naranjo.manuel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
When receiving a fatal error from the USB core, e.g. EILSEQ (which can
happen if the polling interval is too short), fail gracefully.
Previously the driver would fill the log with useless error messages
or (more alarmingly) silently spin forever trying to write updated
control information to the device. This change implements a new flag
which if cleared indicates that the driver has failed. The flag will
be set on initialization, cleared on fatal errors, and anything else
that touches the USB port in the driver will abort if the flag is
clear. When the flag is cleared, a message will be logged indicating
that the driver has failed.
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Fix usb core function error return checks to look for negative errno
values, not positive errno values. This bug had rendered those checks
useless. Also remove attempted error recovery on control endpoints
for EPIPE - with control endpoints EPIPE does not indicate a halted
endpoint so trying to recover with usb_clear_halt() is not the correct
action.
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Rather than directly filling in URB fields, it's safer to use
usb_fill_int_urb(). This improves robustness of the driver; URB
changes in the future will not go uninitialized here. That point not
withstanding, this driver should at least be self-consistent. Either
use usb_fill_int_urb() everywhere or don't bother with it all.
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The polling interval for the device can't always be 1msec. If it is
too quick, the device can fail causing a fatal (to the driver) EILSEQ
error from the USB core. The actual correct value is reported by the
device as part of its configuration data, so use that value as the
default. On a DeLorme Earthmate for example, the device reports that
it wants a 6msec interval. As part of this fix, the "interval" module
option has been fixed as well; the device's default can be overridden
by specifying interval=<value> as a module option.
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The attached patch adds support for the new generation of gps receivers (eg.
GPSmap 60Cx) to garmin_gps.c.
Signed-off-by: Hermann Kneissel <herkne@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Commit b512504e5671f83638be0ddr085c4b1832f623d3 made ipaq_open() a bit
messy by moving the read urb submission far from its usb_fill_bulk_urb()
call and the comment explaining what it does.
This patch put they together again. Although only compiled tested, should
not break the fix introduced by b512504e5671f83638be0ddr085c4b1832f623d3,
of course.
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Changes the functions pl2303_buf_clear and pl2303_buf_data_avail for
the purpose of keeping them under the 80 column limit, making them
more similar to similar functions and making then simpler.
Signed-off-by: Thiago Galesi <thiagogalesi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Fixes several lines that overrun 80 columns in Prolific pl2303 driver
and cleans up some space usages in the function calls.
Signed-off-by: Thiago Galesi <thiagogalesi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Add (dummy?) support for TIOCGSERIAL and TIOCSSERIAL ioctl calls to the USB
serial driver file `ark3116.c'. This is sufficient for me to run wvdial
successfully, receive my email, and do webbrowsing with firefox. On the
other hand, running the cvs program to update archives seems not to work,
and the traceroute command sometimes says
send failed: No buffer space available
Looks like a buffering problem... My knowledge of serial device drivers is
zero, so I can't fix this -- I just did a cut'n'paste from other USB serial
drivers...
Signed-off-by: Werner Lemberg <wl@gnu.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
A sufficiently-large number of USB serial devices causes a reference leak
when /proc/tty/drivers/usbserial is read.
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The patch adds a new device ID for the Gamma Scout Geiger counter
device.
Signed-off-by: Ralf Schlatterbeck <rsc@runtux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch removes support for a clone of Nokia DKU-5 cable made by Ours
Technology Inc, as it turned out that the cable does not use the pl2303
chip, but OTI-6858 chip which is not compatible with the pl2303.
Signed-off-by: Tomasz Kazmierczak <tomek.fizyk@op.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
I write a patch for ipaq.c.
Would you like to add upstream tree ?
This patch enables a support of "SHARP W-ZERO3(WS004SH)" and "SHARP W-ZERO3[es](WS007SH)".
From: Norihiko Tomiyama <norihiko.tomiyama@ctc-g.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Can you add the USB IDs for the Belkin USB Serial adapter (P/N F5U257)
to the pl2303 driver in the Linux Kernel? Are you the appropriate person
to approach for this?
I recently purchased a Belkin USB Serial adapter (P/N F5U257) and found
that it didn't work. After a bit of experimentation I found that it
works with the pl2303 driver once the ID has been added. See attached
patch to fix this. Also attached is the output from lsusb -v just in
case you require any information from there.
From: Kim Oldfield <luv@oldfield.wattle.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Here's a short patch which adds one PID to the set of devices
supported by the ftdi_sio driver. The device in question is a
DLP module used as part of a ham radio USB-to-packet adapter.
From: Dave Platt <dplatt@radagast.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This small patch enables a support of "SHARP WS003SH".
"SHARP WS003SH" (usullary called "W-ZERO3") is most polular All-in-one handheld
CellPhone-plus-WindowsMobile5.0 in Japan.
"SHARP WS003SH" has two modes, "Modem" and "ActiveSync".
But, "ActiveSync" mode uses NDIS connection.
Therefore, ipaq.c can only support "Modem" mode.
http://www.sharp.co.jp/ws/ (Japanese Site)
http://greggman.com/edit/editheadlines/2005-12-24.htm
From: Norihiko Tomiyama <norihiko.tomiyama@ctc-g.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The short driver names were not unique,
which prevented the driver from actually loading.
Also, one of the ioctl pointers was missing.
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
USB serial outside of the kernel tree can not build properly due to
usb-serial.h being buried down in the source tree. This patch moves the
location of the file to include/linux/usb and fixes up all of the usb
serial drivers to handle the move properly.
Cc: Sergei Organov <osv@javad.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Anydata is using usb_serial_generic_write_bulk_callback() for its
read URB, but it should use usb_serial_generic_read_bulk_callback()
instead (it's a read URB, isn't it?).
Reported by Jon K Hellan <hellan@acm.org>.
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds the Testo USB interface to the list of devices
recognized by the ftdi_sio module. This device is based on a FT232BL
chip, and is used as an interface to get data from digital sensors
(thermometer, etc). See http://www.testo.com/
Signed-off-by: Colin Leroy <colin@colino.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The below patch fixes the ipw module in kernel 2.6.17 for me; without
this change it simply does not work at all (all but the first writes are
refused because write_urb_busy is always 1).
This problem was there in 2.6.15 as well, but at that point I used the
(updated) ipw.c, version 0.4, from
http://www.neology.co.za/products/opensource/ipwireless/ which no longer
compiles with 2.6.17. It can be made to after a few changes but
obviously it's easier if the built-in ipw driver works instead of having
to download one from the neology site.
From: Bart Oldeman <bartoldeman@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Adds configurable waiting periods to the ipaq connection code. These are
not needed when the pocketpc device is running normally when plugged in,
but they need extra delays if they are physically connected while
rebooting.
There are two parameters :
* initial_wait : this is the delay before the driver attemts to start the
connection. This is needed because the pocktpc device takes much
longer to boot if the driver starts sending control packets too soon.
* connect_retries : this is the number of times the control urb is
retried before finally giving up. The patch also adds a 1 second delay
between retries.
I'm not sure if the cases where this patch is useful are general enough
to include this in the kernel.
Signed-off-by: Frank Gevaerts <frank.gevaerts@fks.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch fixes several problems in the ipaq.c driver with connecting
and disconnecting pocketpc devices:
* The read urb stayed active if the connect failed, causing nullpointer
dereferences later on.
* If a write failed, the driver continued as if nothing happened. Now it
handles that case the same way as other usb serial devices (fix by
Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>)
Signed-off-by: Frank Gevaerts <frank.gevaerts@fks.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch creates a new driver, sierra.c, that supports the new
non-composite Sierra Wireless WWAN devices. The older Sierra
Wireless and Airprime devices are supported in airprime.c.
Signed-off-by: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch limits the amount of outstanding 'write' data that can be
queued up for the ftdi_sio driver, to prevent userspace DoS attacks (or
simple accidents) that use up all the system memory by writing lots of
data to the serial port.
The original patch was by Guillaume Autran, who in turn based it on the
same mechanism implemented in the 'visor' driver. I (Ian Abbott)
re-targeted the patch to the latest sources, fixed a couple of errors,
renamed his new structure members, and updated the implementations of
the 'write_room' and 'chars_in_buffer' methods to take account of the
number of outstanding 'write' bytes. It seems to work fine, though at
low baud rates it is still possible to queue up an amount of data that
takes an age to shift (a job for another day!).
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The anti user-DoS mechanism in the USB serial 'visor' driver can fail in
the following way:
visor_open: priv->outstanding_urbs = 0
visor_write: ++priv->outstanding_urbs
visor_close:
visor_open: priv->outstanding_urbs = 0
visor_write_bulk_callback: --priv->outstanding_urbs
So priv->outstanding_urbs ends up as (unsigned long)(-1). Not good!
I haven't seen this happen with the visor driver as I don't have the
hardware, but I have seen it while testing a patch to implement the same
functionality in the ftdi_sio driver (patch not yet submitted).
The fix is pretty simple: don't reinitialize outstanding_urbs in
visor_open. (Again, I haven't tested the fix in visor, but I have
tested it in ftdi_sio.)
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The Susteen Datapilot cable
(http://www.susteen.com/productdetail/71/producthl/Notempty) has an
internal pl2303 to communicate with a set of dummy connector-ends that
connect to a variety of cell phones. I've found that it works right out
of the box by simply adding the product/vendor id to the pl2303 driver.
Signed-off-by: Matt Meno <mmeno@idealcorp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch fixes blatant leaks in visor driver and makes it report
mode sensible things in ->write_room (this is only needed if your visor
is a terminal though).
It is made to fit into 80 columns with a temporary variable.
Might even save a few instructions...
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This fix addresses two issues:
- Unattached port structures were not freed
- My initial fix for crash when eventd runs a work in a freed port
did not go far enough
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Text from the back of the box, for your information/amusement:
USB DATA CABLE
FOR K700 Series
The USB Cable is an ideal link between your mobile phone and PC. Employing
the user-friendiy [sic] USB standard,its capacity for rapid data transfer enables functions
such as synchronization of phone book and calendar,as well as Internet browsing via
a modem-enabled phone.Autual [sic] connection speed is dependent on phone capacity.
MADE IN CHINA
From: Peter Moulder <Peter.Moulder@infotech.monash.edu.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6: (22 commits)
[PATCH] devfs: Remove it from the feature_removal.txt file
[PATCH] devfs: Last little devfs cleanups throughout the kernel tree.
[PATCH] devfs: Rename TTY_DRIVER_NO_DEVFS to TTY_DRIVER_DYNAMIC_DEV
[PATCH] devfs: Remove the tty_driver devfs_name field as it's no longer needed
[PATCH] devfs: Remove the line_driver devfs_name field as it's no longer needed
[PATCH] devfs: Remove the videodevice devfs_name field as it's no longer needed
[PATCH] devfs: Remove the gendisk devfs_name field as it's no longer needed
[PATCH] devfs: Remove the miscdevice devfs_name field as it's no longer needed
[PATCH] devfs: Remove the devfs_fs_kernel.h file from the tree
[PATCH] devfs: Remove devfs_remove() function from the kernel tree
[PATCH] devfs: Remove devfs_mk_cdev() function from the kernel tree
[PATCH] devfs: Remove devfs_mk_bdev() function from the kernel tree
[PATCH] devfs: Remove devfs_mk_symlink() function from the kernel tree
[PATCH] devfs: Remove devfs_mk_dir() function from the kernel tree
[PATCH] devfs: Remove devfs_*_tape() functions from the kernel tree
[PATCH] devfs: Remove devfs support from the sound subsystem
[PATCH] devfs: Remove devfs support from the ide subsystem.
[PATCH] devfs: Remove devfs support from the serial subsystem
[PATCH] devfs: Remove devfs from the init code
[PATCH] devfs: Remove devfs from the partition code
...
Remove TTY_DONT_FLIP tty flag. This flag was introduced in 2.1.X kernels
to prevent the N_TTY line discipline functions read_chan() and
n_tty_receive_buf() from running at the same time. 2.2.15 introduced
tty->read_lock to protect access to the N_TTY read buffer, which is the
only state requiring protection between these two functions.
The current TTY_DONT_FLIP implementation is broken for SMP, and is not
universally honored by drivers that send data directly to the line
discipline receive_buf function.
Because TTY_DONT_FLIP is not necessary, is broken in implementation, and is
not universally honored, it is removed.
Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
I've always found this flag confusing. Now that devfs is no longer around, it
has been renamed, and the documentation for when this flag should be used has
been updated.
Also fixes all drivers that use this flag.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch converts the combination of list_del(A) and list_add(A, B) to
list_move(A, B) under drivers/.
Acked-by: Corey Minyard <minyard@mvista.com>
Cc: Ben Collins <bcollins@debian.org>
Acked-by: Roland Dreier <rolandd@cisco.com>
Cc: Alasdair Kergon <dm-devel@redhat.com>
Cc: Gerd Knorr <kraxel@bytesex.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frank Pavlic <fpavlic@de.ibm.com>
Acked-by: Matthew Wilcox <matthew@wil.cx>
Cc: Andrew Vasquez <linux-driver@qlogic.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Greg Kroah-Hartman <greg@kroah.com>
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Some usbserial functions returns -EINVAL if the port doesn't exist or if
it's not opened. However, the right error code for such situations is
-ENODEV.
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
If either the driver's open() method or try_module_get() fails, we need to
set 'tty->driver_data' and 'port->tty' to NULL in serial_open(), otherwise
we'll get an OOPS in usb_device_disconnect() when the device is disconnected.
Signed-off-by: Frank Gevaerts <frank.gevaerts@fks.be>
Acked-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Al Borchers suggested to do this in his review of my previous patch.
I guess that I skipped this initially because of my visceral dislike
of sizeof(data). But in this case it seems well localized.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
While an Edgeport is allocating individual port structures, if kmalloc
returns NULL, the serial structure is freed and -ENOMEM, but the ports
allocated before the failure are not freed. This patch addresses that
condition.
Signed-off-by: Christopher Lund <docmax@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch extends the "option" driver with a few more devices, some of
which are actually connected to USB the "right" way -- as opposed to
doing it via PCMCIA and OHCI.
Signed-Off-By: Matthias Urlichs <smurf@debian.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds support for Yost Engineering Inc's ServoCenter 3.1 USB
product to the ftdi_sio driver's device ID table. The PID was supplied
by Aaron Prose of Yost Engineering on the ftdi-usb-sio-devel list. The
PID 0xE050 matches the Windows INF files for this device.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Wait for the scheduled work to finish before freeing memory, prevent oops.
http://bugzilla.kernel.org/show_bug.cgi?id=6596
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Add a couple of supported devices into the help message.
It's a long story... I promised this comment changed to a user long ago,
so I'd like to have that promise kept. In reality though, nobody is
likely to read this anyway.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
I'm going to throw schedule_work away, it's retarded. But for starters,
let's have it encapsulated.
Also, generic and whiteheat were both calling usb_serial_port_softint
and scheduled work. Only one was necessary.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Clean up the unicode handling in io_edgeport. Make get_string size-limited.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
By the way I have to ask you to add new (vid,pid) pair to cp2101 driver.
This device is argussoft's avr in-system programmer AS3M,
http://atmel.argussoft.ru/hard.htm
it's based on cp2101 chip and works pretty well with the linux driver.
It could be used with argussoft's `asisp1109.exe'
(http://atmel.argussoft.ru/download/software/as-tools.soft/asisp.zip)
tool run under wine.
Signed-off-by: Vitja Makarov <vitja.makarov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Prevent sending further output to a USB-serial console after the dongle is
disconnected, take care not to leak kref.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Prevent ENODEV on a /dev/ttyUSBx, used as a USB-serial console.
From: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Prevent NULL dereference when used as a USB-serial console.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Append Carriage-Returns after Line-Feeds, analogous to the serial driver.
From: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
I introduced this way back in 2.6.13 when adding the port lock logic.
This device talks out through different "ports" all at the same time, so
the lock logic was wrong, preventing any data from ever being sent
properly.
Thanks a lot to Bernhard Reiter <bernhard@intevation.de> for being
patient and helping with debugging this.
Cc: Bernhard Reiter <bernhard@intevation.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Based on Simon's original driver, with some minor code cleanups and
tidying by me.
Cc: Simon Schulz <simon@auctionant.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
If serial_open() fails at the port assignment or mutex_lock_interruptible()
is interrupted, the 'serial' object will never be freed.
We should call kref_put() when those errors happens.
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
If the device is disconnected while serial_open() is executing and
either try_module_get() or the device specific open function fails, the
kref_put() call in the 'bailout_kref_put' label will free the memory
pointed out by 'port'.
The subsequent dereferences in the 'bailout_kref_put' label will be
invalid.
The fix is just to assure kref_put() is called after any 'port' usage.
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This adds the Sierra Wireless card to airprime.c.
I tested this on my laptop.
Signed-off-by: Ken Brush <ken@cgi101.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds support for ACG Identification Technologies GmbH's HF
Dual ISO Reader (an RFID tag reader) to the ftdi_sio driver's device ID
table. The product ID was supplied by anotonios (anton at goto10 dot
org) on the ftdi-usb-sio-devel list and subsequently verified by myself
(Ian Abbott).
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds support for an ASK RDR 400 series contactless card
reader <http://www.ask.fr/uk/products_and_services/terminals.html> to
the ftdi_sio driver's device ID table. The product ID was supplied by
Adriano Couto on the ftdi-usb-sio-devel list.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Adds support in ftdi_sio usbserial driver for USB modems sold by
Plus GSM Company in Poland.
Signed-off-by: Luiz Fernando Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds recognition of the RR-CirKits LocoBuffer USB
to the existing FTDI driver. http://www.rr-cirkits.com
Signed-off-by: Nathan Bronson <ngb@sns-usa.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Add new iTegno usb CDMA 1x card (usbid '0eba:2080') support to pl2303 driver
Signed-off-by: Wang Jun <wangjun1974@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
We may return from drivers/usb/serial/whiteheat.c::whiteheat_attach()
without freeing `result' if we leave via the no_firmware: label.
Spotted by the coverity checker as #670
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This prevents an Oops if booted with "console=ttyUSB0" but without a
USB-serial dongle, and plugged one in afterwards.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds support for a clone of Nokia DKU-5 cable made by
Ours Technology Inc for Nokia phones with PopPort (Nokia 3100 and others).
The cable uses PL2303 USB-to-serial converter from Prolific Technology Inc.
Signed-off-by: Tomasz Kazmierczak <tomek.fizyk@op.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The usbserial's port semaphore used to synchronize serial_open()
and serial_close() are strict mutexes, convert them to the mutex
implementation.
Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds support for the Eclo COM to 1-Wire USB adapter
<http://www.eclo.pt/products_ibutton_adapters_usb01_en.asp> to the
ftdi_sio driver's device ID table. Details were provided by Martin
Grill on the ftdi-sio-usb-devel mailing list and I (Ian Abbott)
confirmed it matched the INF file in the Eclo's Windows driver package.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Since the arrays are declared as in_urbs[N_IN_URB]
and out_urbs[N_OUT_URB], both for loops go one
over the end of the array. This fixes coverity id #555.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-Off-By: Linus Torvalds <torvalds@osdl.org>
Thanks to Warren Lewis <wlewis@scn.org> for the information needed to
write the driver and for testing it out.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The Icom ID-1 1.2 GHz band digital transceiver is a new radio
that has a USB interface. With this patch, the ftdi_sio driver
will report "Detected FT8U232AM" and provide a serial device
interface.
Signed-off-by: "A. Maitland Bottoms" <bottoms@debian.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds a new device ID to the cp2101 driver
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The USB data cable for my Samsung GSM phone contains the USB-to-serial
converter chip MS3303H from Speed Dragon Multimedia, Inc. that appears to
be compatible with the PL2303 chip. The following patch adds support for
this chip to the pl2303 driver.
Signed-off-by: Dick Streefland <dick@streefland.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
A while ago, I posted about TIOCMIWAIT not working with the PL2303
USB-serial adapter.
After a brief exchange with Greg, I tracked this to a missing wake-up
in the USB interrupt procedures. I got our systems staff to install
the enclosed very simple patch to our 2.6.12 kernels, and it all works
fine as expected. I guess this should also apply to the latest version
and go into the mainstream.
Apologies for the long delay in posting the result.
The routine being patched is pl2303_update_line_status
Signed-off-by: Julian Bradfield <jcb+luu@inf.ed.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds support for the Nokia ca42 version 2 cable to the
cypress_m8 driver. The device was tested by others with this patch and
found to be compatible with the cypress_m8 driver. A special note
should be taken that this cable seems to vary in the type of chipset
used. This patch supports the cable with product id 0x4101.
Signed-off-by: Lonnie Mendez <lmendez19@austin.rr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This fixes a use-after-free bug in the usb-serial core. It is simple to
trigger this (open a usb-serial port, then yank the device out before
closing the port.) Thanks to Stefan Seyfried <seife@suse.de> for
reporting this, and to the slab debugging code which enabled it to be
tracked down.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This patch adds a bunch of new device IDs to the ftdi_sio driver for
various devices from microHAM using FTDI chips.
Micheal Studer supplied the PID for the USB-Y9 device. I examined the
INF file in microHAM's Windows driver package for the USB-KW, USB-YS,
USB-IC, USB-DB9 and USB-RS232 devices.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Added the USB vendorID of GSPDA and the productID of GSPDA's palm
smartphone 'xplore m68' to the list of known devices.
Signed-off-by: Hendrik Schweppe <linuxkpatch@hendrik.fam-schweppe.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The patch adds the USB ID (0413:2101) for the Leadtek GPS-Mouse 9531 to
the driver pl2303.
Signed-off-by: Christian Lindner <christian.lindner@gmx.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The attached patch adds four new device IDs for the CP2101 driver.
Also 3 tab characters have been removed from device ID table.
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Added support for CA-42 clone cable (www.ca-42.com)
Signed-off-by: Martin Gingras <martin.gingras@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Documentation: Specify grayscale specification on ATIK-ATK16
and ATIK-ATK16HR comments.
New: Add ProductID and VendorID for devices ATIK-ATK16C and
ATIK-ATK16HRC. These devices are also USB Astronomical CCD
cameras that work through an FTDI 245BM chip, share the
same base hardware but, it has a colour CCD chip instead
of a grayscale one.
Signed-off-by: Rui Santos <rsantos@grupopie.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The attached patch adds a new PID for the ftdi_sio driver. It will
enable support for PC-DJ's DAC-2 controller module
(more information on http://www.pcdjhardware.com/DAC2.asp)
Signed-off-by: Wouter Paesen <wouter@kangaroot.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch adds two new devices to the ftdi_sio driver's device ID
table. The device IDs were supplied by Cory Lee to support two POS
printers made by Westrex International (Model 777 and Model 8900F).
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
this patch includes the Vendor Id for a optic fiber to USB device named
TTUSB from thought Technology. It's just add the vendor Id to
ftdi_sio.h and add the Vendor ID and model Id to table_combined.
Signed-off-by: Louis Nyffenegger <louis.nyffenegger@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
tmp_buf_sem sems to be a common name for something completely unused...
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de> ("usb portion")
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
The API and code have been through various bits of initial review by
serial driver people but they definitely need to live somewhere for a
while so the unconverted drivers can get knocked into shape, existing
drivers that have been updated can be better tuned and bugs whacked out.
This replaces the tty flip buffers with kmalloc objects in rings. In the
normal situation for an IRQ driven serial port at typical speeds the
behaviour is pretty much the same, two buffers end up allocated and the
kernel cycles between them as before.
When there are delays or at high speed we now behave far better as the
buffer pool can grow a bit rather than lose characters. This also means
that we can operate at higher speeds reliably.
For drivers that receive characters in blocks (DMA based, USB and
especially virtualisation) the layer allows a lot of driver specific
code that works around the tty layer with private secondary queues to be
removed. The IBM folks need this sort of layer, the smart serial port
people do, the virtualisers do (because a virtualised tty typically
operates at infinite speed rather than emulating 9600 baud).
Finally many drivers had invalid and unsafe attempts to avoid buffer
overflows by directly invoking tty methods extracted out of the innards
of work queue structs. These are no longer needed and all go away. That
fixes various random hangs with serial ports on overflow.
The other change in here is to optimise the receive_room path that is
used by some callers. It turns out that only one ldisc uses receive room
except asa constant and it updates it far far less than the value is
read. We thus make it a variable not a function call.
I expect the code to contain bugs due to the size alone but I'll be
watching and squashing them and feeding out new patches as it goes.
Because the buffers now dynamically expand you should only run out of
buffering when the kernel runs out of memory for real. That means a lot of
the horrible hacks high performance drivers used to do just aren't needed any
more.
Description:
tty_insert_flip_char is an old API and continues to work as before, as does
tty_flip_buffer_push() [this is why many drivers dont need modification]. It
does now also return the number of chars inserted
There are also
tty_buffer_request_room(tty, len)
which asks for a buffer block of the length requested and returns the space
found. This improves efficiency with hardware that knows how much to
transfer.
and tty_insert_flip_string_flags(tty, str, flags, len)
to insert a string of characters and flags
For a smart interface the usual code is
len = tty_request_buffer_room(tty, amount_hardware_says);
tty_insert_flip_string(tty, buffer_from_card, len);
More description!
At the moment tty buffers are attached directly to the tty. This is causing a
lot of the problems related to tty layer locking, also problems at high speed
and also with bursty data (such as occurs in virtualised environments)
I'm working on ripping out the flip buffers and replacing them with a pool of
dynamically allocated buffers. This allows both for old style "byte I/O"
devices and also helps virtualisation and smart devices where large blocks of
data suddenely materialise and need storing.
So far so good. Lots of drivers reference tty->flip.*. Several of them also
call directly and unsafely into function pointers it provides. This will all
break. Most drivers can use tty_insert_flip_char which can be kept as an API
but others need more.
At the moment I've added the following interfaces, if people think more will
be needed now is a good time to say
int tty_buffer_request_room(tty, size)
Try and ensure at least size bytes are available, returns actual room (may be
zero). At the moment it just uses the flipbuf space but that will change.
Repeated calls without characters being added are not cumulative. (ie if you
call it with 1, 1, 1, and then 4 you'll have four characters of space. The
other functions will also try and grow buffers in future but this will be a
more efficient way when you know block sizes.
int tty_insert_flip_char(tty, ch, flag)
As before insert a character if there is room. Now returns 1 for success, 0
for failure.
int tty_insert_flip_string(tty, str, len)
Insert a block of non error characters. Returns the number inserted.
int tty_prepare_flip_string(tty, strptr, len)
Adjust the buffer to allow len characters to be added. Returns a buffer
pointer in strptr and the length available. This allows for hardware that
needs to use functions like insl or mencpy_fromio.
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: John Hawkes <hawkes@sgi.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This patch adds vendor and product IDs to the ftdi_sio driver's device
ID table for two devices from teratronik.de. The device IDs were
submitted by O. Wölfelschneider of Teratronik Elektronische Systeme
GmbH.
The charset of the patch is latin-1, same as the original files.
Please apply, thanks! (I've tried to avoid a clash with Andrew Morton's
patch to add support for Posiflex PP-7700 printer to the same driver.)
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This little patch adds recognition of Posiflex PP-7000 retail printer to
ftdo_sio module. The printer uses FT232BM bridge programmed with custom
VID/PID. The patch posted to lkml and sf.net was for 2.6.11.1 kernel,
here is one reworked for 2.6.12.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of ARRAY_SIZE. Some trailing whitespaces are also removed.
Patch is compile-tested on i386.
Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Minimum data length must be UART_STATE + 1, as data[UART_STATE] is being
accessed for the new line_state. Although PL-2303 hardware is not
expected to send data with exactly UART_STATE length, this keeps it on
the safe side.
Signed-off-by: Horst Schirmeier <horst@schirmeier.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
patch below marks various USB tables and variables as const so that they
end up in .rodata section and don't cacheline share with things that get
written to. For the non-array variables it also allows gcc to optimize
more.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
There is a race-condition in usb-serial driver that can be triggered if
a processes does 'port->tty->driver_data = NULL' in serial_close() while
other processes is in kernel-space about to call serial_ioctl() on the
same port.
This happens because a process can open the device while there is
another one closing it.
The patch below fixes that by adding a semaphore to ensure that no
process will open the device while another process is closing it.
Note that we can't use spinlocks here, since serial_open() and
serial_close() can sleep.
Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Checks if 'port' is NULL before using it in all tty operations, this
can avoid NULL pointer dereferences.
Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch contains the following cleanups:
- make needlessly global functions static
- every file should #include the headers containing the prototypes for
it's global functions
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This lets drivers, like the usb-serial ones, disable the ability to add
ids from sysfs.
The usb-serial drivers are "odd" in that they are really usb-serial bus
drivers, not usb bus drivers, so the dynamic id logic will have to go
into the usb-serial bus core for those drivers to get that ability.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
