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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DBE3DC43331 for ; Thu, 5 Sep 2019 20:22:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1568B2082E for ; Thu, 5 Sep 2019 20:22:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389802AbfIEUWb (ORCPT ); Thu, 5 Sep 2019 16:22:31 -0400 Received: from sauhun.de ([88.99.104.3]:60676 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388502AbfIEUWb (ORCPT ); Thu, 5 Sep 2019 16:22:31 -0400 Received: from localhost (p54B335F6.dip0.t-ipconnect.de [84.179.53.246]) by pokefinder.org (Postfix) with ESMTPSA id 8830B2C00C0; Thu, 5 Sep 2019 22:22:28 +0200 (CEST) Date: Thu, 5 Sep 2019 22:22:24 +0200 From: Wolfram Sang To: Lee Jones Cc: alokc@codeaurora.org, agross@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, bjorn.andersson@linaro.org, vkoul@kernel.org, linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [RESEND v3 1/1] i2c: qcom-geni: Disable DMA processing on the Lenovo Yoga C630 Message-ID: <20190905202224.GA8989@ninjato> References: <20190905192412.23116-1-lee.jones@linaro.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="UlVJffcvxoiEqYs2" Content-Disposition: inline In-Reply-To: <20190905192412.23116-1-lee.jones@linaro.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org --UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 05, 2019 at 08:24:12PM +0100, Lee Jones wrote: > We have a production-level laptop (Lenovo Yoga C630) which is exhibiting > a rather horrific bug. When I2C HID devices are being scanned for at > boot-time the QCom Geni based I2C (Serial Engine) attempts to use DMA. > When it does, the laptop reboots and the user never sees the OS. >=20 > Attempts are being made to debug the reason for the spontaneous reboot. > No luck so far, hence the requirement for this hot-fix. This workaround > will be removed once we have a viable fix. >=20 > Signed-off-by: Lee Jones Perfect now. Applied to for-current, thanks! --UlVJffcvxoiEqYs2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl1xbnwACgkQFA3kzBSg Kba33BAAo5WjqT1D+WfeoYxUWoPMcS53ngjWw/Ga7hVwL9XplajKI0mfbVDy/3AN 1M9+UtAkVbR2XytRpoDd+xt8aHwLXnOAgdILapvUNJcPFzHQDhOFGaeFFaENqWs/ m/BL7XXBq2Qi6HtexsZ/4JiAkD9e3pdWlzOStWSGEKEIdJozp0Jw4TW7vwcSFmoq e9CNjp55yaxw8KHwj0feHBQF2Q5uD7Ey9T4U8tPNVQx47877AtDKeMMQx/TBfNB9 ariibhw4jUrSbCjH+d/PzjrtuCpw0j1s0H4LOhELUb9HlowBGw3rzpyDeIObHRYT OLyt2O8t1oggwy1FU5Zv4lRuFqxvoVZKuiehSnkyk+LBfcwgD1NObLfFLhxXZWEQ x2agoa/G2d+E3zFpuXAKhOfXgebScIuXg+6PUp3FKVjqufLFufC5UwUsm/oF3Yib 9Mlhhs7daZ2zVESprl9Ki3s5yB8AHX13S2JyFgyz/IiIcon47AOMbSQhmr5cR88h mBjk3CBpkYAnHWT83nKZteBVMf4VpYhLLwo4Vlusd9DnD7vOyNRlH0elytkBFp2k 4hQpUZtnG9nY8zleh1ZMH9tngq7E3C4rldcjfxD8s8FaPkUv42f2UjxE67F1bVIL 3htgI0iPQOo7dHlw6KygB2dmYV2NidgF7LxxFSV7v9cwsM9qDFM= =n2QB -----END PGP SIGNATURE----- --UlVJffcvxoiEqYs2--