jun qian <hangdianqj@xxxxxxx> 于2018年8月27日周一 下午10:49写道： > > 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@xxxxxxx> many discussions have been done with jun in wechat regarding this patch. and Reviewed-by: Barry Song <21cnbao@xxxxxxxxx> > --- > drivers/tty/serial/imx.c | 21 ++++++++------------- > 1 file changed, 8 insertions(+), 13 deletions(-) >
