[GIT PULL] TTY/Serial fixes for 3.15-rc3

[GIT PULL] TTY/Serial fixes for 3.15-rc3

[Greg KH]

The following changes since commit a798c10faf62a505d24e5f6213fbaf904a39623f:

  Linux 3.15-rc2 (2014-04-20 11:08:50 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/ tags/tty-3.15-rc3

for you to fetch changes up to 7deb39ed8d9494ea541bcaa69b56036a94f79dc2:

  serial_core: fix uart PORT_UNKNOWN handling (2014-04-24 15:38:22 -0700)

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TTY/Serial fixes for 3.15-rc3

Here are a few tty/serial fixes for 3.15-rc3 that resolve a number of
reported issues in the 8250 and samsung serial drivers, as well as a
character loss fix for the tty core that was caused by the lock removal
patches a release ago.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

----------------------------------------------------------------
Doug Anderson (3):
      serial: samsung: Use the passed in "port", fixing kgdb w/ no console
      serial: samsung: don't check config for every character
      serial: samsung: Change barrier() to cpu_relax() in console output

Loic Poulain (2):
      8250_core: Fix unwanted TX chars write
      serial: 8250: Fix thread unsafe __dma_tx_complete function

Manfred Schlaegl (1):
      tty: Fix race condition between __tty_buffer_request_room and flush_to_ldisc

Thomas Pfaff (1):
      serial_core: fix uart PORT_UNKNOWN handling

 drivers/tty/serial/8250/8250_core.c |  2 +-
 drivers/tty/serial/8250/8250_dma.c  |  9 +++++++--
 drivers/tty/serial/samsung.c        | 23 +++++++++++-----------
 drivers/tty/serial/serial_core.c    | 39 ++++++++++++++++++++-----------------
 drivers/tty/tty_buffer.c            | 16 +++++++++++++--
 include/linux/tty.h                 |  1 +
 6 files changed, 56 insertions(+), 34 deletions(-)