Duoming Zhou 1b00494c8f Revert "char: pcmcia: cm4000_cs: Replace mdelay with usleep_range in set_protocol" ... [ Upstream commit 70fae37a09 ] This reverts commit be826ada52. The function monitor_card() is a timer handler that runs in an atomic context, but it calls usleep_range() that can sleep. As a result, the sleep-in-atomic-context bugs will happen. The process is shown below: (atomic context) monitor_card() set_protocol() usleep_range() //sleep The origin commit c1986ee9be ("[PATCH] New Omnikey Cardman 4000 driver") works fine. Fixes: be826ada52 ("char: pcmcia: cm4000_cs: Replace mdelay with usleep_range in set_protocol") Signed-off-by: Duoming Zhou <duoming@zju.edu.cn> Link: https://lore.kernel.org/r/20230118141000.5580-1-duoming@zju.edu.cn Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-03-10 09:33:32 +01:00
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Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
cm4000_cs.c	Revert "char: pcmcia: cm4000_cs: Replace mdelay with usleep_range in set_protocol"	2023-03-10 09:33:32 +01:00
cm4040_cs.c	char: pcmcia: cm4040_cs: Remove unused variable 'uc'	2021-05-21 10:09:28 +02:00
cm4040_cs.h	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
scr24x_cs.c	char: pcmcia: scr24x_cs: Fix redundant fops	2021-05-27 14:46:13 +02:00
synclink_cs.c	tty: Make ->set_termios() old ktermios const	2022-08-30 14:22:35 +02:00