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TTY/Serial driver patches for 3.20-rc1

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Here's the big tty/serial driver update for 3.20-rc1.  Nothing huge
 here, just lots of driver updates and some core tty layer fixes as well.
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.20-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 update for 3.20-rc1.  Nothing huge
  here, just lots of driver updates and some core tty layer fixes as
  well.  All have been in linux-next with no reported issues"

* tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (119 commits)
  serial: 8250: Fix UART_BUG_TXEN workaround
  serial: driver for ETRAX FS UART
  tty: remove unused variable sprop
  serial: of-serial: fetch line number from DT
  serial: samsung: earlycon support depends on CONFIG_SERIAL_SAMSUNG_CONSOLE
  tty/serial: serial8250_set_divisor() can be static
  tty/serial: Add Spreadtrum sc9836-uart driver support
  Documentation: DT: Add bindings for Spreadtrum SoC Platform
  serial: samsung: remove redundant interrupt enabling
  tty: Remove external interface for tty_set_termios()
  serial: omap: Fix RTS handling
  serial: 8250_omap: Use UPSTAT_AUTORTS for RTS handling
  serial: core: Rework hw-assisted flow control support
  tty/serial: 8250_early: Add support for PXA UARTs
  tty/serial: of_serial: add support for PXA/MMP uarts
  tty/serial: of_serial: add DT alias ID handling
  serial: 8250: Prevent concurrent updates to shadow registers
  serial: 8250: Use canary to restart console after suspend
  serial: 8250: Refactor XR17V35X divisor calculation
  serial: 8250: Refactor divisor programming
  ...
This commit is contained in:
Linus Torvalds 2015-02-15 11:37:02 -08:00
commit a9724125ad
73 changed files with 4523 additions and 1910 deletions
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12
include/uapi/linux/serial_core.h
View file

@ -55,7 +55,8 @@
#define PORT_ALTR_16550_F64 27 /* Altera 16550 UART with 64 FIFOs */
#define PORT_ALTR_16550_F128 28 /* Altera 16550 UART with 128 FIFOs */
#define PORT_RT2880 29 /* Ralink RT2880 internal UART */
#define PORT_MAX_8250 29 /* max port ID */
#define PORT_16550A_FSL64 30 /* Freescale 16550 UART with 64 FIFOs */
#define PORT_MAX_8250 30 /* max port ID */
/*
* ARM specific type numbers. These are not currently guaranteed
@ -248,4 +249,13 @@
/* MESON */
#define PORT_MESON 109
/* Conexant Digicolor */
#define PORT_DIGICOLOR 110
/* SPRD SERIAL */
#define PORT_SPRD 111
/* Cris v10 / v32 SoC */
#define PORT_CRIS 112
#endif /* _UAPILINUX_SERIAL_CORE_H */

3
include/uapi/linux/serial_reg.h
View file

@ -86,7 +86,8 @@
#define UART_FCR6_T_TRIGGER_8 0x10 /* Mask for transmit trigger set at 8 */
#define UART_FCR6_T_TRIGGER_24 0x20 /* Mask for transmit trigger set at 24 */
#define UART_FCR6_T_TRIGGER_30 0x30 /* Mask for transmit trigger set at 30 */
#define UART_FCR7_64BYTE 0x20 /* Go into 64 byte mode (TI16C750) */
#define UART_FCR7_64BYTE 0x20 /* Go into 64 byte mode (TI16C750 and
some Freescale UARTs) */
#define UART_FCR_R_TRIG_SHIFT 6
#define UART_FCR_R_TRIG_BITS(x) \