tty:serial:imx: use spin_lock instead of spin_lock_irqsave in isr

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Before the program enters the uart ISR, the local interrupt has been
disabled by the system, so it's not appropriate to use spin_lock_irqsave
interface in the ISR.

Signed-off-by: jun qian <hangdianqj@163.com>
Reviewed-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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jun qian 2018-08-27 07:49:04 -07:00 • committed by Greg Kroah-Hartman

parent deeb33e8fd

commit c974991d26

1 changed files with 8 additions and 13 deletions

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drivers/tty/serial/imx.c

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