Merge tag 'tty-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here is the big tty and serial driver update for 4.4-rc1.

  Lots of serial driver updates and a few small tty core changes.  Full
  details in the shortlog.

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

* tag 'tty-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (148 commits)
  tty: Use unbound workqueue for all input workers
  tty: Abstract tty buffer work
  tty: Prevent tty teardown during tty_write_message()
  tty: core: Use correct spinlock flavor in tiocspgrp()
  tty: Combine SIGTTOU/SIGTTIN handling
  serial: amba-pl011: fix incorrect integer size in pl011_fifo_to_tty()
  ttyFDC: Fix build problems due to use of module_{init,exit}
  tty: remove unneeded return statement
  serial: 8250_mid: add support for DMA engine handling from UART MMIO
  dmaengine: hsu: remove platform data
  dmaengine: hsu: introduce stubs for the exported functions
  dmaengine: hsu: make the UART driver in control of selecting this driver
  serial: fix mctrl helper functions
  serial: 8250_pci: Intel MID UART support to its own driver
  serial: fsl_lpuart: add earlycon support
  tty: disable unbind for old 74xx based serial/mpsc console port
  serial: pl011: Spelling s/clocks-names/clock-names/
  n_tty: Remove reader wakeups for TTY_BREAK/TTY_PARITY chars
  tty: synclink, fix indentation
  serial: at91, fix rs485 properties
  ...

diff --cc Documentation/kernel-parameters.txt
Simple merge

diff --cc drivers/tty/serial/8250/8250_dma.c
Simple merge

diff --cc drivers/usb/gadget/function/u_serial.c
Simple merge

diff --cc include/linux/platform_data/atmel.h
index bdc0ee8e84e938d702cb6ed16e3b6e54b424d7a2,c4bc90bfebe0b7904c91f3ed27a4c2a8b56bd935..91b16adab0cd2bf347e1d2fc89a9a149458d94e2
--- 1/include/linux/platform_data/atmel.h
--- 2/include/linux/platform_data/atmel.h
+++ b/include/linux/platform_data/atmel.h
@@@ -19,12 -19,15 +19,6 @@@
  #include <linux/serial.h>
  #include <linux/platform_data/macb.h>
  
- /*
-  * at91: 6 USARTs and one DBGU port (SAM9260)
-  * avr32: 4
-  */
- #define ATMEL_MAX_UART        7
 - /* USB Device */
 -struct at91_udc_data {
 -      int     vbus_pin;               /* high == host powering us */
 -      u8      vbus_active_low;        /* vbus polarity */
 -      u8      vbus_polled;            /* Use polling, not interrupt */
 -      int     pullup_pin;             /* active == D+ pulled up */
 -      u8      pullup_active_low;      /* true == pullup_pin is active low */
 -};
--
   /* Compact Flash */
  struct at91_cf_data {
        int     irq_pin;                /* I/O IRQ */