From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 33FE91714B3; Wed, 4 Dec 2024 13:27:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733318866; cv=none; b=gfdUpwcgGXz+sXDYzyWzK99Rqna5sZl86VVGdMZuKaw4Djjf5Lqn6nBs5a/+o7KB2PJ1+YdwpNbelbJv6JDqocdTO9NFxvpHFelX//svTaPW2g+tqdggIbO2BLh9w7rIJrtnlfs6XEPS21+TEmpxAB8WWXEhwwR2aUOQ6J80X+Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733318866; c=relaxed/simple; bh=sE23B4ttHCwF11SMH/4cQGZLTPJosFh75fu9WJI1yRg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=U/RDRAqzKcDCu9ytrIxqNazmBj46Z+ttFrdQ5QEflQ4ViK6s9HVTj5OSe1k1ZSNOJ+5huPd8puNKauLnYGjHB3MXMXvsZ3a/g4ywALadQOlaZUX4tFcTrla9P8gM3e3gns7c7r0ElCfFkmtYrKLdrI9UHZKI/VwbtJ1nHtPAmdo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.net; spf=pass smtp.mailfrom=gmx.net; dkim=pass (2048-bit key) header.d=gmx.net header.i=wahrenst@gmx.net header.b=S7s1XsDe; arc=none smtp.client-ip=212.227.17.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.net header.i=wahrenst@gmx.net header.b="S7s1XsDe" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.net; s=s31663417; t=1733318845; x=1733923645; i=wahrenst@gmx.net; bh=sE23B4ttHCwF11SMH/4cQGZLTPJosFh75fu9WJI1yRg=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:Subject:To:Cc: References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=S7s1XsDeA9AwZId04CoS+4zfCsuHwmpDQUsxAEFF+CDyauoaxLwu3cyFeku+btkr nSUwCnHHXO7kOaQxZqfEL0eT3n3ySX0uS7lpgW+e6N4P1sGwGVA9rzMgvLbqZWBbR siw4DqIAsVB5qy4xfq8G99px0uxrdV3aiQCKV3VnJJFtpt1E8LOb/UjyMyhlD6QbP HY5F4+tJgrNtnh3PDdELp2dnUDH598gGnz7qgKDzgLWJL2blRc98DXLlspw6zJiKm qEErLTZcD9+sv7iHO5L1cKUp8DQfV6sGfsF8XcfsCt/Pw+YtgcpBbfARobUKc46CI tJ4rmERt7OR8onrPiA== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [192.168.1.106] ([37.4.251.153]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M2O6Y-1tMfxb0lHq-0036dg; Wed, 04 Dec 2024 14:27:25 +0100 Message-ID: <5ab9b62a-6577-4a3f-9dfe-c7362bf725db@gmx.net> Date: Wed, 4 Dec 2024 14:27:24 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/1] spi-mxs: Fix chipselect glitch To: Fabio Estevam , Ralf Schlatterbeck Cc: Mark Brown , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , NXP Linux Team , linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman References: <20240202115330.wxkbfmvd76sy3a6a@runtux.com> <20240213170657.puwlx5pjl3odcs2k@runtux.com> Content-Language: en-US From: Stefan Wahren In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:G4xJvxn9JxBbFBtOCBgaPWVT/H5beKdM/r033wNOSnEfcHMS4uR kP50qLZwHr/eS++qjjefOovIiAMdSxwRdW7R39dQQcAclLnAEK2A6AXIpxWvfSG5tWJIM45 5DsoOZSUoAnGuog2Klzv8mDYPC3LoLesgHuf52WG+9XY9ajGvQrFT1FRq6gAZLz3bD+33Rl 4Gut2eCbMwAdMEbJBZdZg== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:n7ckTBxpn3Y=;meKGvBZSvoTceDyMUxt1Uwb/XKi EfnkEIwv36g25zdscY73nH7gKor1Xdd++wVXwrrbJphgiQHkTLB/dpViCk7rL0WKgegZHl3n3 buOUlrbi9zY+oyTKNpma7+PR4OcO8DCO25qpReW3vRqIECTU9JmpAlYSliAu78WI0o/mcCMRK z4bKQdS7cXHc8maddHaiGfvGCCKePGEv9XP2fmjLBAiJCjFJUlezo8IrA32lvXP03UzkyNc3S 0bsvVGgCuWVNXEQXtDHn9mB+2s5sD+pcE0q9UPc2xxz7ZO5X1M5MQ/4PklFynXj90+Tg7KB8c YkCQHWJX7nE2ryUxdmD1+X4xcJ4YJJoldXRdX/jPn08Fv957uyB5Ie9PDpYHyVFF+hN9Iil2u +lrcXgbHUYMAyq+iz1bslZDvQORL29LurfiB0i1q6ZnsUF490H0Fp/WRPc4QaDlCf8QqsLlaG UQzNBzpx3IEezahZpBgcYNyRGrlKrIb7mH+1GIIOGMO4DCqIHG1b0X0u+r4PZ+AkpzA+FtzLm DW4wpF5BQ8UEuUoJMCDjXXza3EDXtjZFeES1EJoxv4IVNSThMn+amekm7KS5SbJetUdznGYUk egl/M0Jmu57HNU7l5DCKZumFTTCWF9at/IRYiXtF70KXc9+mMDf3qf46J1fhks7W+ypBqoYtr lscVVFEvdhPc1D44LLVsogWrUcHg16GSLT0wig8f9CB2hbeM8h8ADuuWS4Q/4dUtVczRqx640 KoiGL6+WG8CJkpyXrUoUfGwrTlIXqYpe4uT5oj82UE9Hq1uu75YaPjiLnSBuujAUCdx9SHqjo Fb92h43dQo1fpsMk7HzHLuVUHD/ZbwU+3qBRh2JZuKKTuIj+WUZ7E5v6Dpkwf5mt5S0FC7SiT e3Ep8IyPJOoOYQnzu5OxRB+d2xwr+P/2J6Swdizslf8KW0RTPptvaMIa4QvsP9co2hyRSgpFQ 8wN+kBLhHm1dvKd9TQLNVxTEXFk0um5APrLQQ7NUpo1mPkhyCDHTGYf9WiiqHiHTJjhY+D7rN ihehpC8JfNMM7413lT+32ZeU07xNbqCU7TzCnJE3i54Jb0MECcLdT9+AER2Kjtx+hdZTnFYff 3dV+7L6DCkIEW/jcOdFDtD4wDRjn3q Hi, Am 13.02.24 um 18:22 schrieb Fabio Estevam: > Hi Ralf, > > On Tue, Feb 13, 2024 at 2:07=E2=80=AFPM Ralf Schlatterbeck wrote: >> On Fri, Feb 02, 2024 at 12:53:30PM +0100, Ralf Schlatterbeck wrote: >>> There was a change in the mxs-dma engine that uses a new custom flag. >>> The change was not applied to the mxs spi driver. >>> This results in chipselect being deasserted too early. >>> This fixes the chipselect problem by using the new flag in the mxs-spi >>> driver. >>> >>> Fixes: ceeeb99cd821 ("dmaengine: mxs: rename custom flag") >>> Signed-off-by: Ralf Schlatterbeck >>> --- >>> For oscilloscope screenshots and a verbose explanation see my blog pos= t >>> at https://blog.runtux.com/posts/2024/02/01/ > I suggest putting the link to your detailed explanation into the > commit log as this is useful information. > > Reviewed-by: Fabio Estevam I noticed that this patch hasn't applied to stable yet. Are there reason for not doing this or is it just because the patch missed the Cc: stable@vger.kernel.org ?