linux-imx

can: flexcan: change the way of stop mode acknowledgment

Stop mode is entered when Stop mode is requested at chip level and
MCR[LPM_ACK] is asserted by the FlexCAN.

Double check with IP owner, should poll MCR[LPM_ACK] for stop mode
acknowledgment, not the acknowledgment from chip level.

Fixes: 5f186c257fa4(can: flexcan: fix stop mode acknowledgment)
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>