linux-kernel - Re: [PATCH] tty: serial: imx: fix rs485 rx after tx

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Message-ID: <64358ffc-449d-b676-6ac6-a2f273c3129d@denx.de>
Date:   Fri, 7 Jul 2023 00:11:11 +0200
From:   Marek Vasut <marex@...x.de>
To:     Martin Fuzzey <martin.fuzzey@...wbird.group>,
        linux-serial@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tty: serial: imx: fix rs485 rx after tx

On 6/16/23 13:16, Marek Vasut wrote:
> On 6/16/23 12:47, Martin Fuzzey wrote:
>> Since commit 79d0224f6bf2 ("tty: serial: imx: Handle RS485 DE signal
>> active high") RS485 reception no longer works after a transmission.
> 
> This RS485 is just a gift that keeps on giving, sigh.
> 
> I'll dig into this in a few days as time permits.

Alas, time did not permit until now, but yes, this makes sense.

Thanks

And sorry for the delayed reply.