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 67146C4332F for ; Sun, 29 Oct 2023 17:17:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229689AbjJ2RRN (ORCPT ); Sun, 29 Oct 2023 13:17:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbjJ2RRM (ORCPT ); Sun, 29 Oct 2023 13:17:12 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 713F4AB; Sun, 29 Oct 2023 10:17:10 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F652C433C7; Sun, 29 Oct 2023 17:17:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1698599830; bh=kqHOtdnj+507j2C+JnNESsq5H7LYdz0LhzhA6Vu3rfQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XsE4M9P0mzhzERev83qkMJuMvJH4/AdIG2ZtGMSLbeAjhCZsip6fsg4WDtFH2niRp kqMi4prFv/tLAmSnC1Ph+uXxURhIRLU5atU6gjlDQs5Rmerr+GklwSSfL8WgTtZ8d8 HnZIUE/YaRQjgY2zzLc5TxE7NycUFTWQgDQ2JV+GHM9z5HnwzphW6crER2HTws34sD h05ntOySmUa7leVhGHu/Z4Ki8qQgYjQmDiRZJ08OH9bgp7gVKAtZaVgI4YuETK/nor /owuA8fQytpfT6nJkOVKUABHI26ocivq0rJXXwx+zNE9oL+Gh6JM21nbfNwNuM+w0F w5LAjZLs6IAUQ== Date: Sun, 29 Oct 2023 18:17:06 +0100 From: Wolfram Sang To: Marius Hoch Cc: Jean Delvare , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] i2c: i801: Force no IRQ for Dell Latitude E7450 Message-ID: Mail-Followup-To: Wolfram Sang , Marius Hoch , Jean Delvare , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230514103634.235917-1-mail@mariushoch.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="LVHbfEbx9LzAVSb2" Content-Disposition: inline In-Reply-To: <20230514103634.235917-1-mail@mariushoch.de> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --LVHbfEbx9LzAVSb2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, May 14, 2023 at 12:36:32PM +0200, Marius Hoch wrote: > The Dell Latitude E7450 uses IRQ 18 for the accelerometer, > but also claims that the SMBus uses IRQ 18. This will > result in: >=20 > i801_smbus 0000:00:1f.3: PCI INT C: failed to register GSI > i801_smbus 0000:00:1f.3: Failed to enable SMBus PCI device (-16) > i801_smbus: probe of 0000:00:1f.3 failed with error -16 >=20 > Force the SMBus IRQ to IRQ_NOTCONNECTED in this case, so that > we fall back to polling, which also seems to be what the (very > dated) Windows 7 drivers on the Dell Latitude E7450 do. >=20 > This was tested on Dell Latitude E7450. >=20 > I chose to explicitly list all affected devices here, but > alternatively it would be possible to do this programmatically: > If the initial pcim_enable_device fails and we're on (any) > Dell Latitude, re-try with IRQ_NOTCONNECTED. >=20 > Marius Hoch (2): > i2c: i801: Force no IRQ for Dell Latitude E7450 > i2c: i801: Force no IRQ for further Dell Latitudes >=20 > drivers/i2c/busses/i2c-i801.c | 34 ++++++++++++++++++++++++++++++++++ > 1 file changed, 34 insertions(+) Where are we with this patch set? Other solution found already? Discussion stalled? Too much other things going on? --LVHbfEbx9LzAVSb2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmU+k5IACgkQFA3kzBSg KbafUxAAgd58sc/w7TNN3XnqkARACN+uSB+NhVdhfF7g2NJbNSpUzXWttkaBD8L8 fqlX8gD9sNHs4cBL0MlCnUPDoA67flTb/q96Sk6zadnAL4eNW4v1bQpxHK1StNqR 8bEeEYAyoUGX6Xe2rdYiESHjtFNy2YCMX6pzAvLJn+yHwTrMcrYFU/VtOHi7HfA/ qiTUZJbLfrl1OXxqcuEBUyYB2WhXed/SRsO0NdKhkpwn90V/s4EwrlVXjGpuUKdn 0mI+OrCTt8umBQDn023FWtvUX8lWww4KQOo2szsMD/deCt4YzsYLO00Aj1z/T+GY YvYYo4R1W9zVZnbXq7w+nihYIApiaEN3QiICzbo4YvubRqyMeJ1B+vSutIrLVFKS gT2T90sMtWKxXjS/zAFSCB63dgabml8QB1o1SqdsLHL9l7vrnKK7TKXDrzo5I+Jg z/2mdCsxyaPHMjHRhk9dKQ3BtOHPSXsKajePtkgj1RYuOpSbI4EMt92l+luVgCUK s5miafDazxyru0b8F7zccy0FvMwXhJSMHChlfzjVbAvjwr/s79bzPEPuRNRoqJFB QXeODrTouBci68cqnV+eq3KL334+2mNB/yiVIWyckrcrmVdzXye+f1HshKNFwL2y XtPHFHG1lDWLVdbIq3O6kEm+Skr/5cDWSerAT8q/g5a1HaIJzM0= =yPh2 -----END PGP SIGNATURE----- --LVHbfEbx9LzAVSb2--