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linux/drivers/tty/hvc
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Fabian Vogt d91604c39b tty: hvc_console: Call hvc_kick in hvc_write unconditionally 
commit cfd956dcb1 upstream.

After hvc_write completes, call hvc_kick also in the case the output
buffer has been drained, to ensure tty_wakeup gets called.

This fixes that functions which wait for a drained buffer got stuck
occasionally.

Cc: stable <stable@kernel.org>
Closes: https://bugzilla.opensuse.org/show_bug.cgi?id=1230062
Signed-off-by: Fabian Vogt <fvogt@suse.de>
Link: https://lore.kernel.org/r/2011735.PYKUYFuaPT@fvogt-thinkpad
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-10-02 13:39:02 +02:00
..
hvc_console.c tty: hvc_console: Call hvc_kick in hvc_write unconditionally 2025-10-02 13:39:02 +02:00
hvc_console.h tty: hvc: Use the correct style for SPDX License Identifier 2020-03-18 13:01:05 +01:00
hvc_dcc.c hvc: dcc: Add earlycon support 2019-10-11 08:38:07 +02:00
hvc_irq.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hvc_iucv.c tty: hvc: fix return value of __setup handler 2022-04-08 14:23:50 +02:00
hvc_opal.c tty: hvc: hvc_opal: Staticify function invoked by reference 2020-11-06 10:54:05 +01:00
hvc_riscv_sbi.c tty: Don't force RISCV SBI console as preferred console 2019-05-16 20:42:11 -07:00
hvc_rtas.c tty: hvc: Remove redundant license text 2017-11-08 13:08:12 +01:00
hvc_udbg.c tty: hvc: make symbol 'hvc_udbg_dev' static 2021-04-10 10:41:40 +02:00
hvc_vio.c tty: hvc: udbg_hvc: retry putc on -EAGAIN 2021-05-23 20:51:36 +10:00
hvc_xen.c xen: replace xen_remap() with memremap() 2025-07-17 18:30:48 +02:00
hvcs.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
hvsi.c tty: stop using alloc_tty_driver 2021-07-27 12:17:20 +02:00
hvsi_lib.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig tty: hvc: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n 2020-09-27 14:17:43 +02:00
Makefile TTY/Serial driver patches for 4.17-rc1 2018-04-04 18:43:49 -07:00