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Linus Torvalds 2f01ea908b TTY/Serial driver patches for 3.12-rc1 
Here's the big tty/serial driver pull request for 3.12-rc1.
 
 Lots of n_tty reworks to resolve some very long-standing issues, removing the
 3-4 different locks that were taken for every character.  This code has been
 beaten on for a long time in linux-next with no reported regressions.
 
 Other than that, a range of serial and tty driver updates and revisions.  Full
 details in the shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver patches from Greg KH:
 "Here's the big tty/serial driver pull request for 3.12-rc1.

  Lots of n_tty reworks to resolve some very long-standing issues,
  removing the 3-4 different locks that were taken for every character.
  This code has been beaten on for a long time in linux-next with no
  reported regressions.

  Other than that, a range of serial and tty driver updates and
  revisions.  Full details in the shortlog"

* tag 'tty-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (226 commits)
  hvc_xen: Remove unnecessary __GFP_ZERO from kzalloc
  serial: imx: initialize the local variable
  tty: ar933x_uart: add device tree support and binding documentation
  tty: ar933x_uart: allow to build the driver as a module
  ARM: dts: msm: Update uartdm compatible strings
  devicetree: serial: Document msm_serial bindings
  serial: unify serial bindings into a single dir
  serial: fsl-imx-uart: Cleanup duplicate device tree binding
  tty: ar933x_uart: use config_enabled() macro to clean up ifdefs
  tty: ar933x_uart: remove superfluous assignment of ar933x_uart_driver.nr
  tty: ar933x_uart: use the clk API to get the uart clock
  tty: serial: cpm_uart: Adding proper request of GPIO used by cpm_uart driver
  serial: sirf: fix the amount of serial ports
  serial: sirf: define macro for some magic numbers of USP
  serial: icom: move array overflow checks earlier
  TTY: amiserial, remove unnecessary platform_set_drvdata()
  serial: st-asc: remove unnecessary platform_set_drvdata()
  msm_serial: Send more than 1 character on the console w/ UARTDM
  msm_serial: Add support for non-GSBI UARTDM devices
  msm_serial: Switch clock consumer strings and simplify code
  ...
 		2013-09-03 11:38:36 -07:00
..
Kconfig tty: Added a CONFIG_TTY option to allow removal of TTY 2013-01-18 16:15:27 -08:00
Makefile
…
README
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TODO
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dgrp_common.c dgrp procfs fixes, part 6: just use proc_create{,_data} 2013-04-09 14:13:09 -04:00
dgrp_common.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
dgrp_dpa_ops.c staging: for dgrp, let nd_ps_desc always NUL terminated string within MAX_DESC_LEN length 2013-05-13 18:08:16 -04:00
dgrp_driver.c staging: dgrp: add __init/__exit macros 2013-08-19 15:31:58 -07:00
dgrp_mon_ops.c Include missing linux/slab.h inclusions 2013-04-29 15:42:01 -04:00
dgrp_net_ops.c drivers: staging: dgrp: using time_is_before_jiffies() instead of open coding 'jiffies' 2013-06-08 22:20:59 -07:00
dgrp_ports_ops.c procfs: new helper - PDE_DATA(inode) 2013-04-09 14:13:32 -04:00
dgrp_specproc.c Include missing linux/slab.h inclusions 2013-04-29 15:42:01 -04:00
dgrp_sysfs.c drivers: avoid format string in dev_set_name 2013-07-03 16:07:41 -07:00
dgrp_tty.c tty: Ensure single-threaded flip buffer consumer with mutex 2013-07-23 16:47:09 -07:00
digirp.h
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drp.h staging: for dgrp, let nd_ps_desc always NUL terminated string within MAX_DESC_LEN length 2013-05-13 18:08:16 -04:00

README 

The user space code to work with this driver is located at
https://github.com/wfp5p/dgrp-utils