linux-stable.git/drivers/staging/fwserial, branch linux-3.9.y Linux kernel stable tree Merge tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty 2013-02-21T21:41:04+00:00 Linus Torvalds torvalds@linux-foundation.org 2013-02-21T21:41:04+00:00 21eaab6d19ed43e82ed39c8deb7f192134fb4a0e Pull tty/serial patches from Greg Kroah-Hartman: "Here's the big tty/serial driver patches for 3.9-rc1. More tty port rework and fixes from Jiri here, as well as lots of individual serial driver updates and fixes. All of these have been in the linux-next tree for a while." * tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits) tty: mxser: improve error handling in mxser_probe() and mxser_module_init() serial: imx: fix uninitialized variable warning serial: tegra: assume CONFIG_OF TTY: do not update atime/mtime on read/write lguest: select CONFIG_TTY to build properly. ARM defconfigs: add missing inclusions of linux/platform_device.h fb/exynos: include platform_device.h ARM: sa1100/assabet: include platform_device.h directly serial: imx: Fix recursive locking bug pps: Fix build breakage from decoupling pps from tty tty: Remove ancient hardpps() pps: Additional cleanups in uart_handle_dcd_change pps: Move timestamp read into PPS code proper pps: Don't crash the machine when exiting will do pps: Fix a use-after free bug when unregistering a source. pps: Use pps_lookup_dev to reduce ldisc coupling pps: Add pps_lookup_dev() function tty: serial: uartlite: Support uartlite on big and little endian systems tty: serial: uartlite: Fix sparse and checkpatch warnings serial/arc-uart: Miscll DT related updates (Grant's review comments) ... Fix up trivial conflicts, mostly just due to the TTY config option clashing with the EXPERIMENTAL removal. 
Pull tty/serial patches from Greg Kroah-Hartman:
 "Here's the big tty/serial driver patches for 3.9-rc1.

  More tty port rework and fixes from Jiri here, as well as lots of
  individual serial driver updates and fixes.

  All of these have been in the linux-next tree for a while."

* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
  tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
  serial: imx: fix uninitialized variable warning
  serial: tegra: assume CONFIG_OF
  TTY: do not update atime/mtime on read/write
  lguest: select CONFIG_TTY to build properly.
  ARM defconfigs: add missing inclusions of linux/platform_device.h
  fb/exynos: include platform_device.h
  ARM: sa1100/assabet: include platform_device.h directly
  serial: imx: Fix recursive locking bug
  pps: Fix build breakage from decoupling pps from tty
  tty: Remove ancient hardpps()
  pps: Additional cleanups in uart_handle_dcd_change
  pps: Move timestamp read into PPS code proper
  pps: Don't crash the machine when exiting will do
  pps: Fix a use-after free bug when unregistering a source.
  pps: Use pps_lookup_dev to reduce ldisc coupling
  pps: Add pps_lookup_dev() function
  tty: serial: uartlite: Support uartlite on big and little endian systems
  tty: serial: uartlite: Fix sparse and checkpatch warnings
  serial/arc-uart: Miscll DT related updates (Grant's review comments)
  ...

Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.
staging/fwserial: Fix compiler warning 2013-01-31T09:30:34+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-30T21:18:50+00:00 d13b0b6d51e78b0107c76d79cf0ef06d9e07650b Fix: drivers/staging/fwserial/fwserial.c:581:3: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Fix:
drivers/staging/fwserial/fwserial.c:581:3: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t'

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging/fwserial: Annotate rcu pointers with __rcu 2013-01-31T09:30:34+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-30T22:44:16+00:00 1aedfa8f25c13a2f5428cb1b0f806e04121cbef5 Fixes these sparse warnings: drivers/staging/fwserial/fwserial.c:430:16: sparse: incompatible types in comparison expression (different address spaces) drivers/staging/fwserial/fwserial.c:699:30: sparse: incompatible types in comparison expression (different address spaces) drivers/staging/fwserial/fwserial.c:802:16: sparse: incompatible types in comparison expression (different address spaces) drivers/staging/fwserial/fwserial.c:898:16: sparse: incompatible types in comparison expression (different address spaces) drivers/staging/fwserial/fwserial.c:1842:14: sparse: incompatible types in comparison expression (different address spaces) Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Fixes these sparse warnings:
drivers/staging/fwserial/fwserial.c:430:16: sparse: incompatible types in comparison expression (different address spaces)
drivers/staging/fwserial/fwserial.c:699:30: sparse: incompatible types in comparison expression (different address spaces)
drivers/staging/fwserial/fwserial.c:802:16: sparse: incompatible types in comparison expression (different address spaces)
drivers/staging/fwserial/fwserial.c:898:16: sparse: incompatible types in comparison expression (different address spaces)
drivers/staging/fwserial/fwserial.c:1842:14: sparse: incompatible types in comparison expression (different address spaces)

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging/fwserial: Fix endian issue in unit directory 2013-01-30T04:31:34+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-29T14:10:30+00:00 612588a886965706e9593626c277e561c1932249 Reported-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Reported-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging/fwserial: add diagnostic for buffer overflow 2013-01-30T04:28:45+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-29T03:34:43+00:00 ef34dd184d58824f1cde7402afa8ba2a957029d9 Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging/fwserial: Remove reference to removed constant 2013-01-30T04:28:45+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-29T03:34:42+00:00 2257d1224fa93875d472c21195b7817b0d7bcc50 FWSERIAL_TTY_START_MINOR was removed. The minor_start is allocated by tty_alloc_driver(). Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
FWSERIAL_TTY_START_MINOR was removed. The minor_start is allocated
by tty_alloc_driver().

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging/fwserial: Don't use deprecated alloc_tty_driver() 2013-01-30T04:28:45+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-29T03:34:41+00:00 84472c3b584db1fcd4cb8a434468696bbf8640d8 Use tty_alloc_driver() instead. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Use tty_alloc_driver() instead.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging/fwserial: Factor unstable stats/debug/status info to debugfs 2013-01-30T04:28:45+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-29T03:34:40+00:00 4df5bb0464769a07ce6d6a265174477786512f2e Add the following file hierarchy to debugfs: <debugfs>-+ +- firewire_serial -+- <unit> -+- peers | +- stats | +- <unit> -+- peers +- stats The 'peers' file (read-only) contains status and configuration info for attached peers for the given fwserial unit. The 'stats' file (read-only) contains statistics and data profiling information for each tty port for the given fwserial unit. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Add the following file hierarchy to debugfs:

  <debugfs>-+
            +- firewire_serial -+- <unit> -+- peers
                                |          +- stats
                                |
                                +- <unit> -+- peers
                                           +- stats

The 'peers' file (read-only) contains status and configuration
info for attached peers for the given fwserial unit.

The 'stats' file (read-only) contains statistics and data profiling
information for each tty port for the given fwserial unit.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging/fwserial: Cleanup /proc/tty/driver/ file 2013-01-30T04:28:45+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-29T03:34:39+00:00 e16d1ded85b9ceddbf8092d239646ee520353e47 Factor out extra stats, data profiles, debugging info and peer info from procfs file in preparation for using debugfs instead. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Factor out extra stats, data profiles, debugging info and peer info
from procfs file in preparation for using debugfs instead.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging/fwserial: Create loop device the 'tty' way 2013-01-30T04:28:45+00:00 Peter Hurley peter@hurleysoftware.com 2013-01-29T03:34:38+00:00 fa1da242c3d24801ae946f4664406f679865388f Register a second tty driver to create loopback devices for each firewire node. Note that the loopback devices are numbered from 0; the tty->index is transformed when used to index the port table. Remove the hack that previously enabled this. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Register a second tty driver to create loopback devices for
each firewire node. Note that the loopback devices are numbered
from 0; the tty->index is transformed when used to index the
port table.

Remove the hack that previously enabled this.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>