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Reset mphy when resetting host. Backup mphy setting after mphy reset
control get. Restore mphy setting after mphy reset.
Acked-by: Chun-Hung Wu <Chun-Hung.Wu@mediatek.com>
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240315083448.7185-7-peter.wang@mediatek.com

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>