Re: [PATCH V2] tty: serial: imx: disable UCR4_OREN in .stop_rx() instead of .shutdown()

[Greg KH]

On Tue, Nov 23, 2021 at 06:51:22PM +0800, Sherry Sun wrote:
> From: Fugang Duan <fugang.duan@xxxxxxx>
> 
> 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