Re: [PATCH V2] tty: serial: imx: disable UCR4_OREN in .stop_rx() instead of .shutdown()
From: Greg KH <gregkh@linuxfoundation.org>
Date: 2021-11-24 09:59:15
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On Tue, Nov 23, 2021 at 06:51:22PM +0800, Sherry Sun wrote:
From: Fugang Duan <redacted> Disable the UCR4_OREN bit in .stop_rx() before the uart receiver is disabled maybe better than in the .shutdown() function.
Why is it better? What does this "fix"? thanks, greg k-h