Re: [PATCH OLK-6.6] serial: protect uart_port_dtr_rts() in uart_shutdown() too

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FeedBack: The patch(es) which you have sent to kernel@openeuler.org mailing list has been converted to a pull request successfully! Pull request link: https://gitee.com/openeuler/kernel/pulls/12916 Mailing list address: https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/3...