linux-stable.git/drivers/tty/serial/serial_core.c, branch linux-4.6.y Linux kernel stable tree serial: core: remove baud_rates when serial console setup 2016-02-07T06:54:55+00:00 Jeffy Chen jeffy.chen@rock-chips.com 2016-01-04T07:54:46+00:00 ba47f97a18f2f9c517131fcdaceb3b5a4811dc19 Currently, when tring to set up a serial console with a higher baud rate, it would fallback to 921600. Tested-by: Jianqun Xu <jay.xu@rock-chips.com> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Currently, when tring to set up a serial console with a higher
baud rate, it would fallback to 921600.

Tested-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tty: Remove ASYNC_CLOSING 2016-01-28T22:19:12+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-10T22:51:40+00:00 afc5ab096581e1ad6e7e7d1533a6bbb1d2b12455 The tty core no longer provides nor uses ASYNC_CLOSING; remove from tty_port_close_start() and tty_port_close_end() as well as tty drivers which open-code these state changes. Unfortunately, even though the bit is masked from userspace, its inclusion in a uapi header precludes removing the macro. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-s390@vger.kernel.org Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: linux-cris-kernel@axis.com Cc: Samuel Ortiz <samuel@sortiz.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
The tty core no longer provides nor uses ASYNC_CLOSING; remove from
tty_port_close_start() and tty_port_close_end() as well as tty drivers
which open-code these state changes. Unfortunately, even though the
bit is masked from userspace, its inclusion in a uapi header precludes
removing the macro.

Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-s390@vger.kernel.org
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: linux-cris-kernel@axis.com
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
serial: core: Perform RTS signalling before soft flow ctrl 2016-01-28T22:17:42+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-11T04:24:02+00:00 b4749b97ae41f02775967bd109a15b2e223f86be When throttling, time is of the essence; try RTS signalling before soft flow control, which will take longer. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
When throttling, time is of the essence; try RTS signalling before
soft flow control, which will take longer.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
serial: core: Unfold < 80 char lines 2016-01-28T22:17:42+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-11T04:24:01+00:00 968af29836297388743d208a360bac6f1a690148 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>
serial: core: Remove cast from void ptr in uart_open() 2016-01-28T22:17:42+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-11T04:24:00+00:00 5e3880273fa3c85bc8f14b9719d2c4be00dd3279 void * promotes to any pointer type; remove type cast. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
void * promotes to any pointer type; remove type cast.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
serial: core: Cleanup uart_open() exit 2016-01-28T22:17:42+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-11T04:23:59+00:00 f9d1083da00514ef36a06e915f32b7304ae5b5bd If aborting uart_open() unsuccessfully, retval is non-zero, so the existing fall-through exit is equivalent. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
If aborting uart_open() unsuccessfully, retval is non-zero, so the
existing fall-through exit is equivalent.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
serial: core: Use tty->index for port # in debug messages 2016-01-28T22:17:42+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-11T04:23:57+00:00 39b3d8929f3d2104772046977ba0781eaf032df4 The uart port may have already been removed by uart_remove_one_port(); use equivalent tty->index (which is always valid in these contexts) instead. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
The uart port may have already been removed by uart_remove_one_port();
use equivalent tty->index (which is always valid in these contexts)
instead.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
serial: core: Fold do_uart_get_info() into caller 2016-01-28T22:17:42+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-11T04:23:56+00:00 3abe8c7671a53f2243d1279a1017d3f4483d34c4 do_uart_get_info() has a single caller: uart_get_info(). Manually inline do_uart_get_info(). Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
do_uart_get_info() has a single caller: uart_get_info().
Manually inline do_uart_get_info().

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
serial: core: Fold __uart_put_char() into caller 2016-01-28T22:17:42+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-11T04:23:55+00:00 f5291ecca148e1a4a75498177862040f9ab7b600 uart_put_char() is the required interface; manually inline __uart_put_char(). Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
uart_put_char() is the required interface; manually inline
__uart_put_char().

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tty: Use termios c_*flag macros 2016-01-28T22:13:44+00:00 Peter Hurley peter@hurleysoftware.com 2016-01-11T04:36:15+00:00 9db276f8f02145068d8c04614bc28c2a4532a8c7 Expressions of the form "tty->termios.c_*flag & FLAG" are more clearly expressed with the termios flags macros, I_FLAG(), C_FLAG(), O_FLAG(), and L_FLAG(). Convert treewide. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Expressions of the form "tty->termios.c_*flag & FLAG"
are more clearly expressed with the termios flags macros,
I_FLAG(), C_FLAG(), O_FLAG(), and L_FLAG().

Convert treewide.

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