From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6745CEB64DD for ; Thu, 6 Jul 2023 22:11:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231786AbjGFWLS (ORCPT ); Thu, 6 Jul 2023 18:11:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229452AbjGFWLQ (ORCPT ); Thu, 6 Jul 2023 18:11:16 -0400 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02DEC1725; Thu, 6 Jul 2023 15:11:14 -0700 (PDT) Received: from [127.0.0.1] (p578adb1c.dip0.t-ipconnect.de [87.138.219.28]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 5AE3C862AE; Fri, 7 Jul 2023 00:11:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1688681472; bh=0EIkI2jUI4DFcoRWiE7tteNt5GIFvY9v+UbpdSJnVDs=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=il+Bf/oB+qrKGRQGAOOh8OKqT4gYPlcuD3JqNBo5FJuxZcYAtRxtbXrs+QgHXE9jU RKLfszdUe4tvYLquFv7btSnPW6O2WqTejIxax0MLqWlkXWL3M0+k0seG78m34OmXrE jvrwPgn7Hlq+OuHrgi/99ghLKGypxirQV3Kgp1TFaKE8LnUaLWm8vvqx76c6dndWjw 8Fuc9aZf0F0U2cIGyjmMWy3ZTPLvue3XNZS9OMJjnoDiAGyB7CANzNMRhWupl0nmLE RrbMMta24Ep8b8JQrvo0zwyk4ZFmN5Nyy13059mLzsR7Kuti6wFiyKIlDryDVEsdvG pqnw/ApBFyuhg== Message-ID: <64358ffc-449d-b676-6ac6-a2f273c3129d@denx.de> Date: Fri, 7 Jul 2023 00:11:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH] tty: serial: imx: fix rs485 rx after tx Content-Language: en-US From: Marek Vasut To: Martin Fuzzey , linux-serial@vger.kernel.org Cc: Greg Kroah-Hartman , Shawn Guo , Fabio Estevam , linux-kernel@vger.kernel.org References: <20230616104838.2729694-1-martin.fuzzey@flowbird.group> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.