[GIT PULL] TTY/Serial patches for 4.6-rc1

From: Greg KH
Date: Wed Mar 16 2016 - 20:08:38 EST

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The following changes since commit 18558cae0272f8fd9647e69d3fec1565a7949865:

Linux 4.5-rc4 (2016-02-14 13:05:20 -0800)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/ tags/tty-4.6-rc1

for you to fetch changes up to a95fc9c8e576dc238ad849f65c67e4fd33c01d3b:

serial: 8250: describe CONFIG_SERIAL_8250_RSA (2016-03-07 16:11:14 -0800)

----------------------------------------------------------------
TTY/Serial patches for 4.6-rc1

Here's the big tty/serial driver pull request for 4.6-rc1.

Lots of changes in here, Peter has been on a tear again, with lots of
refactoring and bugs fixes, many thanks to the great work he has been
doing. Lots of driver updates and fixes as well, full details in the
shortlog.

All have been in linux-next for a while with no reported issues.

Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

----------------------------------------------------------------
Alexey Khoroshilov (1):
tty: synclinkmp: do not ignore errors in probe()

Andreas Färber (1):
tty: serial: meson: Add support for XTAL clock input

Andy Shevchenko (5):
serial: 8250_dw: remove redundant 'else' keyword
serial: 8250_dw: remove leftover definitions
serial: 8250_pci: convert to pcim_*() API
serial: 8250_pci: all known Braswell ports are 1 channel
serial: 8250: convert drivers to use up_to_u8250p()

Anton Wuerfel (13):
tty: serial: 8250: Fix whitespace errors
tty: serial: 8250: Replace spaces with tabs
tty: serial: 8250: Fix braces after struct
tty: serial: 8250: Fix multiline comment style
tty: serial: 8250: Remove else after return
tty: serial: 8250: Move EXPORT_SYMBOL to function
tty: serial: 8250: Fix line continuation warning
tty: serial: 8250: Add parentheses to macro
tty: serial: 8250: Fix multi-line strings
tty: serial: 8250: Correct conversion specifiers
tty: serial: 8250: Merge duplicate conditions
tty: serial: 8250: Fix indentation warnings
tty: serial: 8250: Add generic port init macro

Arnd Bergmann (12):
serial: amba-pl011: mark vendor_zte as __maybe_unused
tty: nozomi: avoid a harmless gcc warning
tty: cyclades: cyz_interrupt is only used for PCI
tty: hvc_xen: hide xen_console_remove when unused
8250: mediatek: mark PM functions as __maybe_unused
serial: ifx6x60: avoid uninitialized variable use
Revert "drivers/tty/serial: make 8250/8250_mtk.c explicitly non-modular"
Revert "drivers/tty/serial: make 8250/8250_ingenic.c explicitly non-modular"
serial: 8250/uniphier: fix modular build
serial: 8250/ingenic: fix building with SERIAL_8250=m
serial: 8250/mediatek: fix building with SERIAL_8250=m
serial: sa1100: make sa1100_register_uart_fns a function

Aya Mahfouz (3):
tty: serial: constify psc_ops structs
char: constify tty_port_operations structs
tty: constify tty_port_operations structs

Ed Spiridonov (1):
serial: pl011: add mark/space parity support

Frederik Völkel (1):
serial: Remove 68328 driver

Gabriel Krisman Bertazi (1):
serial: jsm: change maintainer to myself

Geert Uytterhoeven (6):
serial: sh-sci: Add more Serial Mode Register documentation
serial: sh-sci: Preserve SCIFA/SCIFB bit rate config for serial console
serial: sh-sci: Use premultiplier to handle half sampling rate
serial: sh-sci: Use a bitmask to indicate supported sampling rates
serial: sh-sci: Add support for SCIFA/SCIFB variable sampling rates
serial: sh-sci: Remove redundant instances of EARLYCON_DECLARE()

Geliang Tang (1):
serial: 8250_pci: use to_pci_dev()

Greg Hackmann (1):
tty: goldfish: support platform_device with id -1

Greg Kroah-Hartman (3):
Merge 4.5-rc2 into tty-next
Merge 4.5-rc4 into tty-next
Revert "sc16is7xx: implemented get_mctrl"

Guenter Roeck (2):
serial: clps711x: Fix bad usage of IS_ERR_VALUE
tty/serial: digicolor: Fix bad usage of IS_ERR_VALUE

Jaeden Amero (1):
serial: atmel: Use atmel_port consistently

Jakob Østergaard Jensen (1):
tty: serial: jsm_tty: fixed redundant variable issue.

Jan Beulich (1):
serial/8250_pci: simplify Pericom handling

Jean Delvare (2):
ARM: OMAP: serial: Rename DRIVER_NAME
serial: 8250: Add hardware dependency to RT288X option

Jeffy Chen (1):
serial: core: remove baud_rates when serial console setup

Jiri Slaby (11):
TTY: serial/mpsc, stop leaking mappings
TTY: serial/mpsc, clean up init/remove functions
TTY: serial/mpsc, remove unused fields
TTY: 8250_pnp, constify tables
TTY: 8250_pnp, make checks bool
TTY: xtensa/iss/console, remove unused _INLINE_ definition
TTY: serial/m32r_sio, disband m32r_sio.h
TTY: serial/m32r_sio, simplify old_serial_port
TTY: serial/m32r_sio, remove debug macros
TTY: serial/m32r_sio, remove unused members
TTY: n_hdlc, fix lockdep false positive

Jon Hunter (1):
serial: 8250_early: Add earlycon support for Tegra

Julia Lawall (1):
xen/hvc: constify hv_ops structures

Konstantin Khlebnikov (1):
TTY, devpts: document pty count limiting

Ludovic Desroches (1):
tty/serial: at91: fix bad offset for UART timeout register

Maarten Brock (6):
sc16is7xx: implemented set_mctrl
sc16is7xx: implemented get_mctrl
serial-uartlite: Enlarge maximum nr of devices to 16.
serial-uartlite: Constify uartlite_be/uartlite_le
serial-uartlite: Spinlock inside the loop.
serial-uartlite: Configure for rising edge irq trigger.

Maciej S. Szmigiero (1):
serial: 8250: describe CONFIG_SERIAL_8250_RSA

Maciej W. Rozycki (1):
serial: zs: Fix a transmit lockup in console output

Martin Fuzzey (1):
serial: imx: Fix suspend / resume.

Martin Sperl (3):
dt/bindings: serial: bcm2835: add binding documentation for bcm2835-aux-uart
serial: bcm2835: add driver for bcm2835-aux-uart
serial: bcm2835: fix unsigned int issue with irq

Mathieu OTHACEHE (1):
tty: serial: 8250: add MOXA Smartio MUE boards support

Matwey V. Kornilov (5):
tty: Move serial8250_stop_rx() in front of serial8250_start_tx()
tty: Add software emulated RS485 support for 8250
tty: 8250_omap: Use software emulated RS485 direction control
tty: serial: 8250: Cleanup p->em485 in serial8250_unregister_port
tty: serial: Use GFP_ATOMIC instead of GFP_KERNEL in serial8250_em485_init()

Melchior FRANZ (1):
tty: vt: initialize softcursor_original correctly

Michal Simek (1):
serial: xuartps: Enable OF earlycon support

Miodrag Dinic (1):
drivers: tty: goldfish: Add device tree bindings

Nicolas Ferre (2):
serial: atmel: trivial: clean the IP version decoding code
serial: atmel: add support for new UART version

Noam Camus (3):
serial: 8250_dw: Avoid serial_outx code duplicate with new dw8250_check_lcr()
serial: 8250_dw: Add support for big-endian MMIO accesses
serial: 8250_dw: Do not use readl/writel before checking port iotype

Paul Gortmaker (3):
drivers/tty: make serial 8250_ingenic.c explicitly non-modular
drivers/tty: make hvc/hvc_vio.c explicitly non-modular
drivers/tty: make ehv_bytechan.c explicitly non-modular

Peter Hurley (89):
tty: Fix ldisc leak in failed tty_init_dev()
tty: Remove !tty check from free_tty_struct()
tty: Fix tty_init_termios() declaration
tty: Re-declare tty_driver_remove_tty() file scope
pty: Remove pty_unix98_shutdown()
tty: Remove __lockfunc annotation from tty lock functions
tty: Consolidate noctty checks in tty_open()
tty: Refactor tty_open()
staging: digi: Replace open-coded tty_wakeup()
serial: 68328: Remove bogus ldisc reset
NFC: nci: Remove dead code
tty: Remove chars_in_buffer() line discipline method
tty: Reset c_line from driver's init_termios
tty: Fix comments for tty_ldisc_get()
tty: Fix comments for tty_ldisc_release()
tty: Prepare for destroying line discipline on hangup
tty: Handle NULL tty->ldisc
tty: Move tty_ldisc_kill()
tty: Use 'disc' for line discipline index name
tty: Refactor tty_ldisc_reinit() for reuse
tty: Destroy ldisc instance on hangup
tty: Document c_line == N_TTY initial condition
tty: Avoid unnecessary temporaries for tty->ldisc
tty: Unexport system-wide tty_mutex
tty: Eliminate global symbol tty_ldisc_N_TTY
tty: Remove declarations to non-existent functions
tty: Move tty_check_change() helper
tty: Remove unreferenced tty flags macro TTY_DEBUG
tty: Make tty_files_lock per-tty
tty: audit: Early-out pty master reads earlier
tty: audit: Never audit packet mode
tty: audit: Remove icanon mode from call chain
tty: audit: Defer audit buffer association
tty: audit: Take siglock directly
tty: audit: Ignore current association for audit push
tty: audit: Combine push functions
tty: audit: Track tty association with dev_t
tty: audit: Handle tty audit enable atomically
tty: audit: Remove false memory optimization
tty: audit: Remove tty_audit_buf reference counting
tty: audit: Simplify first-use allocation
tty: audit: Check audit enable first
tty: audit: Always push audit buffer before TIOCSTI
tty: audit: Poison tty_audit_buf while process exits
n_tty: Always wake up read()/poll() if new input
tty, n_tty: Remove fasync() ldisc notification
tty: Add fasync() hung up file operation
tty: Fix ioctl(FIOASYNC) on hungup file
n_tty: Fix stuck write wakeup
n_tty: Remove tty count checks from unthrottle
tty: n_tty: fix SIGIO for output
serial: 8250: Refactor serial8250_rx_chars() inner loop
serial: 8250: Fix lost rx state
serial: 8250: Remove low_latency workaround
serial: 8250: Unlink uart console ptr if console setup fails
serial: 8250: Wait for irq to complete before shutdown
serial: 8250: Unfold < 80 char lines
tty: rocket: Remove private close_wait
n_tty: Ignore all read data when closing
ia64: Pin controlling tty for unaligned fault message
staging: dgap: Remove redundant write_wait wakeups
tty: Fix GPF in flush_to_ldisc(), part 2
tty: Unify receive_buf() code paths
tty: Allow unreadable mess to be > 80 chars
tty: Use termios c_*flag macros
serial: core: Fold __uart_put_char() into caller
serial: core: Fold do_uart_get_info() into caller
serial: core: Use tty->index for port # in debug messages
serial: Fix ASYNC_* => UPF_* flags misuse
serial: core: Cleanup uart_open() exit
serial: core: Remove cast from void ptr in uart_open()
serial: core: Unfold < 80 char lines
serial: core: Perform RTS signalling before soft flow ctrl
tty: mxser: Remove ASYNC_CLOSING
isdn: Remove ASYNC_CLOSING
tty: Remove ASYNC_CLOSING
of: earlycon: of_setup_earlycon() requires CONFIG_OF_EARLY_FLATTREE
earlycon: Use common framework for earlycon declarations
serial: earlycon: Fixup earlycon console name and index
of: earlycon: Fixup earlycon console name and index
of: earlycon: Add options string handling
of: earlycon: Initialize port fields from DT properties
of: earlycon: Move address translation to of_setup_earlycon()
serial: earlycon: Common log banner for command line and DT
serial: earlycon: Show the earlycon "driver" in banner
serial: 8250_early: Use port->regshift
of: earlycon: Log more helpful message if stdout-path node not found
serial: 8250_omap: Add omap8250 earlycon
net: irda: Fix use-after-free in irtty_open()

Phillip Raffeck (2):
tty: serial: 8250: Suitably replace printk
tty: serial: 8250: Remove SERIAL_DEBUG_PNP macro

Rich Felker (2):
serial-uartlite: add earlycon support
serial-uartlite: fix missing locking in isr

Robin Murphy (1):
tty: amba-pl011: don't dereference NULL platform data

Romain Izard (2):
tty/serial: at91: restore dynamic driver binding
serial: mctrl_gpio: Add missing module license

Saurabh Sengar (1):
tty/vt/keyboard: use memdup_user to simplify code

Sebastian Frias (1):
8250: use callbacks to access UART_DLL/UART_DLM

Simon Horman (2):
serial: sh-sci: Add device tree support for r8a7792
tty: sh-sci: Use ARCH_RENESAS

Soren Brinkmann (14):
tty: xuartps: Beautify read-modify writes
tty: xuartps: Use spinlock to serialize HW access
tty: xuartps: Don't consider circular buffer when enabling transmitter
tty: xuartps: Clear interrupt status register in shutdown
tty: xuartps: Improve startup function
tty: xuartps: Keep lock for whole ISR
tty: xuartps: Acquire port lock for shutdown
tty: xuartps: Move RX path into helper function
tty: xuartps: Move request_irq to after setting up the HW
tty: xuartps: Refactor IRQ handling
tty: xuartps: Cleanup: Reformat if-else
tty: xuartps: Improve sysrq handling
tty: xuartps: Remove '_OFFSET' suffix from #defines
tty: xuartps: Consolidate TX handling

Sudip Mukherjee (1):
tty: audit: remove unused variable

Timur Tabi (1):
serial: amba-pl011: use cpu_relax when polling registers

Wang Dongsheng (1):
serial: 8250: of: Enable suspend/resume for 8250_of driver

Wills Wang (1):
sc16is7xx: fix incorrect register bits macro

Wilson Ding (1):
serial: mvebu-uart: initial support for Armada-3700 serial port

Yoshinori Sato (1):
serial: sh-sci: Add CONFIG_SERIAL_EARLYCON support

Youngmin Nam (1):
serial: samsung: optimize UART rx fifo access routine

Documentation/devicetree/bindings/goldfish/tty.txt | 17 +
.../bindings/serial/brcm,bcm2835-aux-uart.txt | 18 +
.../bindings/serial/renesas,sci-serial.txt | 2 +
.../devicetree/bindings/tty/serial/mvebu-uart.txt | 13 +
Documentation/filesystems/devpts.txt | 9 +
Documentation/kernel-parameters.txt | 6 +
Documentation/serial/tty.txt | 3 -
Documentation/sysctl/kernel.txt | 1 +
MAINTAINERS | 2 +-
arch/alpha/include/asm/serial.h | 8 +-
arch/arm/mach-omap2/serial.c | 2 +-
arch/frv/include/asm/serial.h | 2 +-
arch/ia64/kernel/unaligned.c | 7 +-
arch/m68k/include/asm/serial.h | 8 +-
arch/mips/pmcs-msp71xx/msp_serial.c | 2 +-
arch/mn10300/include/asm/serial.h | 10 +-
arch/xtensa/platforms/iss/console.c | 4 -
arch/xtensa/platforms/xt2000/setup.c | 2 +-
drivers/char/pcmcia/synclink_cs.c | 21 +-
drivers/char/ttyprintk.c | 2 +-
drivers/isdn/i4l/isdn_tty.c | 12 +-
drivers/mmc/card/sdio_uart.c | 14 +-
drivers/net/irda/irtty-sir.c | 10 -
drivers/of/fdt.c | 32 +-
drivers/of/fdt_address.c | 11 +-
drivers/s390/char/con3215.c | 3 +-
drivers/staging/dgap/dgap.c | 36 +-
drivers/staging/dgnc/dgnc_tty.c | 20 +-
drivers/tty/Kconfig | 2 +-
drivers/tty/amiserial.c | 28 +-
drivers/tty/cyclades.c | 22 +-
drivers/tty/ehv_bytechan.c | 40 +-
drivers/tty/goldfish.c | 42 +-
drivers/tty/hvc/hvc_vio.c | 29 +-
drivers/tty/hvc/hvc_xen.c | 6 +-
drivers/tty/isicom.c | 3 +-
drivers/tty/mxser.c | 21 +-
drivers/tty/n_gsm.c | 22 +-
drivers/tty/n_hdlc.c | 19 +-
drivers/tty/n_tty.c | 117 +-
drivers/tty/nozomi.c | 2 +-
drivers/tty/pty.c | 30 +-
drivers/tty/rocket.c | 18 +-
drivers/tty/rocket_int.h | 1 -
drivers/tty/serial/68328serial.c | 1322 --------------------
drivers/tty/serial/8250/8250.h | 14 +
drivers/tty/serial/8250/8250_accent.c | 13 +-
drivers/tty/serial/8250/8250_acorn.c | 2 +-
drivers/tty/serial/8250/8250_bcm2835aux.c | 146 +++
drivers/tty/serial/8250/8250_boca.c | 41 +-
drivers/tty/serial/8250/8250_core.c | 30 +-
drivers/tty/serial/8250/8250_dw.c | 137 +-
drivers/tty/serial/8250/8250_early.c | 38 +-
drivers/tty/serial/8250/8250_exar_st16c554.c | 17 +-
drivers/tty/serial/8250/8250_fourport.c | 28 +-
drivers/tty/serial/8250/8250_gsc.c | 7 +-
drivers/tty/serial/8250/8250_hp300.c | 27 +-
drivers/tty/serial/8250/8250_hub6.c | 2 +-
drivers/tty/serial/8250/8250_ingenic.c | 14 +-
drivers/tty/serial/8250/8250_moxa.c | 157 +++
drivers/tty/serial/8250/8250_mtk.c | 51 +-
drivers/tty/serial/8250/8250_of.c | 1 +
drivers/tty/serial/8250/8250_omap.c | 40 +-
drivers/tty/serial/8250/8250_pci.c | 147 +--
drivers/tty/serial/8250/8250_pnp.c | 48 +-
drivers/tty/serial/8250/8250_port.c | 462 +++++--
drivers/tty/serial/8250/8250_uniphier.c | 2 +-
drivers/tty/serial/8250/Kconfig | 51 +-
drivers/tty/serial/8250/Makefile | 2 +
drivers/tty/serial/8250/serial_cs.c | 90 +-
drivers/tty/serial/Kconfig | 42 +-
drivers/tty/serial/Makefile | 2 +-
drivers/tty/serial/amba-pl011.c | 24 +-
drivers/tty/serial/arc_uart.c | 1 -
drivers/tty/serial/atmel_serial.c | 180 ++-
drivers/tty/serial/clps711x.c | 10 +-
drivers/tty/serial/crisv10.c | 33 +-
drivers/tty/serial/digicolor-usart.c | 9 +-
drivers/tty/serial/earlycon.c | 118 +-
drivers/tty/serial/ifx6x60.c | 3 +
drivers/tty/serial/imx.c | 5 +-
drivers/tty/serial/jsm/jsm_tty.c | 13 +-
drivers/tty/serial/m32r_sio.c | 134 +-
drivers/tty/serial/m32r_sio.h | 49 -
drivers/tty/serial/meson_uart.c | 8 +-
drivers/tty/serial/mpc52xx_uart.c | 8 +-
drivers/tty/serial/mpsc.c | 178 ++-
drivers/tty/serial/msm_serial.c | 2 -
drivers/tty/serial/mvebu-uart.c | 650 ++++++++++
drivers/tty/serial/omap-serial.c | 2 +-
drivers/tty/serial/samsung.c | 24 +-
drivers/tty/serial/sc16is7xx.c | 24 +-
drivers/tty/serial/serial_core.c | 125 +-
drivers/tty/serial/serial_ks8695.c | 2 +-
drivers/tty/serial/serial_mctrl_gpio.c | 3 +
drivers/tty/serial/sh-sci.c | 178 ++-
drivers/tty/serial/sh-sci.h | 15 +
drivers/tty/serial/sprd_serial.c | 2 -
drivers/tty/serial/uartlite.c | 61 +-
drivers/tty/serial/xilinx_uartps.c | 543 ++++----
drivers/tty/serial/zs.c | 4 +
drivers/tty/synclink.c | 23 +-
drivers/tty/synclink_gt.c | 19 +-
drivers/tty/synclinkmp.c | 63 +-
drivers/tty/tty_audit.c | 237 +---
drivers/tty/tty_buffer.c | 39 +-
drivers/tty/tty_io.c | 267 ++--
drivers/tty/tty_ioctl.c | 12 +-
drivers/tty/tty_ldisc.c | 198 +--
drivers/tty/tty_mutex.c | 8 +-
drivers/tty/tty_port.c | 11 +-
drivers/tty/vt/keyboard.c | 14 +-
drivers/tty/vt/selection.c | 2 +
drivers/tty/vt/vt.c | 2 +-
drivers/usb/serial/console.c | 6 +-
drivers/usb/serial/cypress_m8.c | 3 +-
drivers/usb/serial/digi_acceleport.c | 8 +-
drivers/usb/serial/io_edgeport.c | 4 +-
drivers/usb/serial/mct_u232.c | 2 +-
drivers/usb/serial/mos7720.c | 4 +-
drivers/usb/serial/mos7840.c | 4 +-
include/asm-generic/vmlinux.lds.h | 6 +-
include/linux/atmel_serial.h | 3 +-
include/linux/audit.h | 4 +
include/linux/isdn.h | 1 +
include/linux/of_fdt.h | 2 +-
include/linux/platform_data/sa11x0-serial.h | 8 +-
include/linux/platform_data/serial-omap.h | 2 +-
include/linux/sched.h | 1 -
include/linux/serial_8250.h | 8 +
include/linux/serial_core.h | 25 +-
include/linux/tty.h | 58 +-
include/linux/tty_ldisc.h | 13 -
include/uapi/linux/serial_core.h | 3 +
kernel/audit.c | 27 +-
net/irda/ircomm/ircomm_tty.c | 15 +-
net/irda/ircomm/ircomm_tty_ioctl.c | 13 +-
net/nfc/nci/uart.c | 9 +-
security/selinux/hooks.c | 4 +-
139 files changed, 3447 insertions(+), 3701 deletions(-)
create mode 100644 Documentation/devicetree/bindings/goldfish/tty.txt
create mode 100644 Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.txt
create mode 100644 Documentation/devicetree/bindings/tty/serial/mvebu-uart.txt
delete mode 100644 drivers/tty/serial/68328serial.c
create mode 100644 drivers/tty/serial/8250/8250_bcm2835aux.c
create mode 100644 drivers/tty/serial/8250/8250_moxa.c
delete mode 100644 drivers/tty/serial/m32r_sio.h
create mode 100644 drivers/tty/serial/mvebu-uart.c

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