Jiri Slaby fa7501e57e tty: remove tty_operations::chars_in_buffer for non-buffering ... The only user of tty_ops::chars_in_buffer is tty_chars_in_buffer. And it considers tty_ops::chars_in_buffer optional. In case it's NULL, zero is returned. So remove all those chars_in_buffer from tty_ops which return zero. (Zero means such driver doesn't buffer.) Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Richard Henderson <rth@twiddle.net> Acked-by: Max Filippov <jcmvbkbc@gmail.com> # xtensa Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Chris Zankel <chris@zankel.net> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Link: https://lore.kernel.org/r/20210505091928.22010-26-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-05-13 18:29:11 +02:00
..
boot	xtensa: remove unneeded export in boot-elf/Makefile	2021-04-04 15:39:02 -07:00
configs	drivers/char: remove /dev/kmem for good	2021-05-07 00:26:34 -07:00
include	xtensa: drop extraneous register load from initialize_mmu	2021-04-04 15:39:04 -07:00
kernel	Add Landlock, a new LSM from Mickaël Salaün <mic@linux.microsoft.com>	2021-05-01 18:50:44 -07:00
lib	xtensa: propagate the calling conventions change down into csum_partial_copy_generic()	2020-08-20 15:45:21 -04:00
mm	Merge branch 'akpm' (patches from Andrew)	2021-04-30 14:38:01 -07:00
platforms	tty: remove tty_operations::chars_in_buffer for non-buffering	2021-05-13 18:29:11 +02:00
variants	xtensa: add test_kc705_be variant	2018-08-20 12:34:45 -07:00
Kconfig	Merge branch 'akpm' (patches from Andrew)	2021-04-30 14:38:01 -07:00
Kconfig.debug	xtensa: make stack dump size configurable	2019-11-26 11:33:39 -08:00
Makefile	arch: use cross_compiling to check whether it is a cross build or not	2021-05-06 01:49:13 +09:00