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can: flexcan: assert FRZ bit in flexcan_chip_freeze()
Assert HALT bit to enter freeze mode, there is a premise that FRZ bit is asserted. This patch asserts FRZ bit in flexcan_chip_freeze, although the reset value is 1b'1. This is a prepare patch, later patch will invoke flexcan_chip_freeze() to enter freeze mode, which polling freeze mode acknowledge. Fixes: b1aa1c7 ("can: flexcan: fix transition from and to freeze mode in chip_{,un}freeze") Link: https://lore.kernel.org/r/20210218110037.16591-2-qiangqing.zhang@nxp.com Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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