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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
Update broken web addresses in arch directory.
Update broken web addresses in the kernel.
Revert "drivers/usb: Remove unnecessary return's from void functions" for musb gadget
Revert "Fix typo: configuation => configuration" partially
ida: document IDA_BITMAP_LONGS calculation
ext2: fix a typo on comment in ext2/inode.c
drivers/scsi: Remove unnecessary casts of private_data
drivers/s390: Remove unnecessary casts of private_data
net/sunrpc/rpc_pipe.c: Remove unnecessary casts of private_data
drivers/infiniband: Remove unnecessary casts of private_data
drivers/gpu/drm: Remove unnecessary casts of private_data
kernel/pm_qos_params.c: Remove unnecessary casts of private_data
fs/ecryptfs: Remove unnecessary casts of private_data
fs/seq_file.c: Remove unnecessary casts of private_data
arm: uengine.c: remove C99 comments
arm: scoop.c: remove C99 comments
Fix typo configue => configure in comments
Fix typo: configuation => configuration
Fix typo interrest[ing|ed] => interest[ing|ed]
Fix various typos of valid in comments
...
Fix up trivial conflicts in:
drivers/char/ipmi/ipmi_si_intf.c
drivers/usb/gadget/rndis.c
net/irda/irnet/irnet_ppp.c
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Add new driver to access the SAM-BA boot application of Atmel AT91SAM
devices.
The SAM-BA firmware cannot handle merged write requests so we cannot use
the generic write implementation (which uses the port write fifo).
Tested with the SAM-BA 2.10 tools and an Atmel at91sam9260-ek.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Tested-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The patch below updates broken web addresses in the kernel
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Finn Thain <fthain@telegraphics.com.au>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Dimitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Acked-by: Ben Pfaff <blp@cs.stanford.edu>
Acked-by: Hans J. Koch <hjk@linutronix.de>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add support for the Quatech SSU-100 single port usb to serial device.
This driver is based on the ftdi_sio.c driver and the original
serqt_usb driver from Quatech.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix mos7720 Kconfig dependencies.
When an enabled bool selects a tristate, the tristate becomes =y,
even if it should be limited to modular, so limit the bool kconfig
option to configs that will build cleanly.
Also change the if-block to a simple depends on.
drivers/built-in.o: In function `mos7720_release':
mos7720.c:(.text+0xad432): undefined reference to `parport_remove_port'
drivers/built-in.o: In function `mos7715_parport_init':
mos7720.c:(.text+0xae197): undefined reference to `parport_register_port'
mos7720.c:(.text+0xae210): undefined reference to `parport_announce_port'
drivers/built-in.o:(.data+0x201c8): undefined reference to `parport_ieee1284_read_nibble'
drivers/built-in.o:(.data+0x201d0): undefined reference to `parport_ieee1284_read_byte'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add support for the parallel port on the moschip MCS7715 device. The port
registers itself with the parport subsystem as a low-level driver. A separate
entry to the kernel configuration is added beneath that for the mos7720, to
avoid the need to link with the parport subsystem code for users who don't have
or don't want the parallel port. Only compatibility mode is currently supported
(no ECP/EPP). Tested with both moschip devices (7720 and 7715) on UP and SMP
hosts, including regression testing of serial port, concurrent operation of
serial and parallel ports, and various connect / disconnect scenarios.
Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Make qcserial use the generic USB wwan code. This should result in a
performance improvement.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As this code was simply factored out of option, this is a simple
conversion.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The generic USB serial code is ill-suited for high-speed USB wwan devices,
resulting in the option driver. However, other non-option devices may also
gain similar benefits from not using the generic code. Factorise out the
non-option specific code from the option driver and make it available to
other users.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add ZIO Motherboard USB serial interface driver.
Signed-off-by: Vijay Kumar B. <vijaykumar@zilogic.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The module is called qcaux and not moto_modem. Also use help instead of
---help-- to be in sync with the other Kconfig entries.
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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qcaux: add driver for QCDM-capable ports on various devices
Many Qualcomm-based devices provide a CDC-ACM port which accepts
normal AT commands and PPP connections. But they only provide one
which makes status or signal strength requests impossible while
PPP is active. They also provide secondary USB interfaces that
talk the Qualcomm Diagnostic Monitor (QCDM) protocol which can be
used for status and strength. Make those QCDM ports accessible.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add support for USB serial interface provided by ViVOtech ViVOpay devices via
new driver vivopay-serial. Currently only the ViVOpay 8800 device is supported,
but support for similar devices can be added by adding the appropriate device
IDs to the driver.
Signed-off-by: Forest Bond <forest.bond@outpostembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Lots of users are getting confused about the cp2101 driver. It really
does support more than just the cp2101 device, so rename it to cp210x to
try to prevent confusion.
Cc: Craig Shelley <craig@microtron.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Driver originally written by Qualcomm, but rewritten by me due to the
totally different coding style. Cleaned up the probe logic to make a
bit more sense, this is one wierd device. They could have prevented all
of this by just writing sane firmware for the modem.
Cc: Tamm Liu <tamml@qualcomm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is for the Symbol 6608 barcode scanner in a fake "HID" mode.
Thanks to Dalibor Grgec for working with me to get this to start to work
properly.
Cc: Dalibor Grgec <dalibor.grgec@zemris.fer.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This driver got rescued from a few years ago and was requested to be
added. So I cleaned it up, ported it to the latest kernel version and
here it is.
Cc: Thomas Hergenhahn <thomas.hergenhahn@suse.de>
Cc: Emmanuele <iemmav@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is for the serial mode of the Opticon barcode scanner.
Cc: Kees Stoop <kees.stoop@opticon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Moves responsbility of TRU-Install (i.e. ZeroCD) to the usb-storage
driver. See patch 04/04 of this set.
Signed-off-by: Kevin Lloyd <klloyd@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This driver is only for one device id, and the option driver should be
used instead for it.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This should work on a KRZR K1m, and some other Motorola phones that do
not use the "standard" cdc ACM protocol to talk to USB hosts.
Tested-by: Jeff Garzik <jeff@garzik.org>
Cc: Jiang Dejun <a5652c@motorola.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Given that most of drivers/usb/serial/Kconfig is wrapped inside:
if USB_SERIAL
...
endif # USB_SERIAL
remove the consequently redundant dependencies on USB_SERIAL.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Original version of the driver done by Linxb, changes by Harald, and
lots of cleanups by me in order to get it into a mergable state.
Cc: Linxb <xubin.lin@worldplus.com.cn>
Cc: Harald Klein <hari@vt100.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Since nothing under the USB serial/ directory seems to be obviously
experimental, remove the EXPERIMENTAL dependency from all of those
Kconfig entries.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 04d06ad0f1fdb499af84ae3d7969e2136a462f38 have added menuconfig support
for the whole USB Kconfig, but there are still menuconfig need for usb/serial,
usb/atm, and usb/gadget, so that the user can disable all the options in that
menu at once instead of having to disable each option separately.
Signed-off-by: Denis Cheng <crquan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When building an external module, the ezusb_* functions are not defined
if we haven't loaded any built'in module that use them (whiteheat,
keyspan, ...).
This patch allow to build those functions even if we only have selected
the usbserial generic driver.
Signed-off-by: Paul Chavent <paul.chavent@fnac.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Alain Degreffe <eczema@ecze.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Most of these fixes were already submitted for old kernel versions, and were
approved, but for some reason they never made it into the releases.
Because this is a consolidation of a couple old missed patches, it touches both
Kconfigs and documentation texts.
Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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This patch implements a USB serial port driver for the Winchiphead
CH341 USB-RS232 Converter. This chip also implements an IEEE 1284
parallel port, I2C and SPI, but that is not supported by the driver.
Signed-off-by: Frank A Kingswood <frank@kingswood-consulting.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Last week I've been searching for a driver for the CA-42 cable (see usb
below) that fitted my kernel 2.6.20. I only found an abandoned version for a
driver on your website that indeed worked on 2.6.18 but wouldn't even
compile with a more recent 2.6.20 kernel.
I fiddled 2 evenings with the kernel code and have patched it up now to work
with the modifications in the 2.6.20 kernel. The patch is attached hereafter
and it works fine (at least for me :-) ).
Bus 2 Device 13: ID 0ea0:6858 Ours Technology, Inc.
I had to fiddle a little with the settings in .gnokiirc but that also
occurred with the older 2.6.18 kernel. Nevertheless, on one system with this
cable and my Nokia 6070 I had best results with :
model = 6510
connection = dku5
while on an other system with the same kernel, cable and phone it only worked
with :
model = AT
connection = serial
serial_write_usleep = 1
From: Kees Lemmens <C.W.J.Lemmens@ewi.tudelft.nl>
Cc: <pawel.kot@gmail.com>
Cc: <bozo@andrews.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix several typos in help text in Kconfig* files.
Signed-off-by: David Sterba <dave@jikos.cz>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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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>
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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>
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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>
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It's a simple usb-serial driver that just creates a tty device to read
and write from.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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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>
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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>
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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>
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Signed-off-by: Paul B Schroeder <pschroeder@uplogix.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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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>
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Signed-off-by: Jon K Hellan <hellan@acm.org>
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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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>
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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>
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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>
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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>
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Cc: David Clare <david@funsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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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>
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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>
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