[PATCH 00/14] tty: n_tty: cleanup

From: Jiri Slaby (SUSE)
Date: Wed Aug 16 2023 - 07:00:23 EST


This is another part (say part III.) of the previous type unification
across the tty layer[1]. This time, in n_tty line discipline. Apart from
type changes, this series contains a larger set of refactoring of the
code. Namely, separating hairy code into single functions for better
readability.

[1] https://lore.kernel.org/all/20230810091510.13006-1-jirislaby@xxxxxxxxxx/

Note this is completely independent on "part II." (tty_buffer cleanup),
so those two can be applied in any order.

Jiri Slaby (SUSE) (14):
tty: n_tty: make flow of n_tty_receive_buf_common() a bool
tty: n_tty: use output character directly
tty: n_tty: use 'retval' for writes' retvals
tty: n_tty: use time_is_before_jiffies() in n_tty_receive_overrun()
tty: n_tty: make n_tty_data::num_overrun unsigned
tty: n_tty: use MASK() for masking out size bits
tty: n_tty: move canon handling to a separate function
tty: n_tty: move newline handling to a separate function
tty: n_tty: remove unsigned char casts from character constants
tty: n_tty: simplify chars_in_buffer()
tty: n_tty: use u8 for chars and flags
tty: n_tty: unify counts to size_t
tty: n_tty: extract ECHO_OP processing to a separate function
tty: n_tty: deduplicate copy code in n_tty_receive_buf_real_raw()

drivers/tty/n_tty.c | 551 +++++++++++++++++++++++---------------------
1 file changed, 284 insertions(+), 267 deletions(-)

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2.41.0