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Message-ID: <20250317070046.24386-1-jirislaby@kernel.org>
Date: Mon, 17 Mar 2025 08:00:15 +0100
From: "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To: gregkh@...uxfoundation.org
Cc: linux-serial@...r.kernel.org,
linux-kernel@...r.kernel.org,
"Jiri Slaby (SUSE)" <jirislaby@...nel.org>
Subject: [PATCH v2 00/31] tty: cleanup no. 99
Hi,
this is (again) a series of cleanup in tty. I am trying to rework
tty+serial to avoid limitations of devices (so called NR_UART or
tty_alloc_driver()'s first parameter). And the below popped up while
crawling through the code. So this is only a prep cleanup.
* many tty flags are now enums
* many functions were improved for readability
* quite a few unused or old code dropped
In particular, the runtime behaviour of the kernel before and after the
changes is supposed to be bug to bug compatible (except moxa's ioctl
and ISA evils dropped). That is, noone should notice.
[v2]
* use serial_port_in/out() helpers in 26/30 (and not use serial_in/out())
* the last patch is new
Jiri Slaby (SUSE) (31):
tty: convert "TTY Struct Flags" to an enum
tty: audit: do not use N_TTY_BUF_SIZE
tty: caif: do not use N_TTY_BUF_SIZE
tty: move N_TTY_BUF_SIZE to n_tty
tty: n_tty: use uint for space returned by tty_write_room()
tty: n_tty: simplify process_output()
tty: n_tty: clean up process_output_block()
tty: n_tty: drop n_tty_trace()
tty: n_tty: extract n_tty_continue_cookie() from n_tty_read()
tty: n_tty: extract n_tty_wait_for_input()
tty: n_tty: move more_to_be_read to the end of n_tty_read()
tty: tty_driver: move TTY macros to the top
tty: tty_driver: convert "TTY Driver Flags" to an enum
tty: tty_driver: document both {,__}tty_alloc_driver() properly
tty: tty_driver: introduce TTY driver sub/types enums
tty: serdev: drop serdev_controller_ops::write_room()
tty: mmc: sdio: use bool for cts and remove parentheses
tty: moxa: drop version dump to logs
tty: moxa: drop ISA support
tty: moxa: carve out special ioctls and extra tty_port
tty: srmcons: fix retval from srmcons_init()
tty: staging/greybus: pass tty_driver flags to tty_alloc_driver()
tty: sunsu: drop serial_{in,out}p()
tty: sunsu: remove unused serial_icr_read()
serial: remove redundant tty_port_link_device()
serial: pass struct uart_state to uart_line_info()
serial: 8250: use serial_port_in/out() helpers
serial: 8250_rsa: simplify rsa8250_{request/release}_resource()
serial: 8250_port: do not use goto for UPQ_NO_TXEN_TEST code flow
serial: 8250_port: simplify serial8250_request_std_resource()
serial: switch change_irq and change_port to bool in uart_set_info()
Documentation/driver-api/tty/tty_driver.rst | 4 +-
Documentation/driver-api/tty/tty_struct.rst | 2 +-
arch/alpha/kernel/srmcons.c | 62 ++---
drivers/mmc/core/sdio_uart.c | 2 +-
drivers/net/caif/caif_serial.c | 2 +-
drivers/staging/greybus/uart.c | 4 +-
drivers/tty/Kconfig | 2 +-
drivers/tty/moxa.c | 251 +-------------------
drivers/tty/n_tty.c | 212 ++++++++---------
drivers/tty/serdev/core.c | 11 -
drivers/tty/serdev/serdev-ttyport.c | 9 -
drivers/tty/serial/8250/8250_dw.c | 16 +-
drivers/tty/serial/8250/8250_fsl.c | 8 +-
drivers/tty/serial/8250/8250_omap.c | 2 +-
drivers/tty/serial/8250/8250_port.c | 59 ++---
drivers/tty/serial/8250/8250_rsa.c | 21 +-
drivers/tty/serial/serial_core.c | 10 +-
drivers/tty/serial/sunsu.c | 178 ++++++--------
drivers/tty/tty_audit.c | 10 +-
drivers/tty/tty_io.c | 8 +-
include/linux/serdev.h | 6 -
include/linux/tty.h | 53 +++--
include/linux/tty_driver.h | 180 +++++++-------
23 files changed, 412 insertions(+), 700 deletions(-)
--
2.49.0
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