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 A46A0C433EF for ; Thu, 6 Jan 2022 12:57:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239092AbiAFM5p (ORCPT ); Thu, 6 Jan 2022 07:57:45 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:40034 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239070AbiAFM5o (ORCPT ); Thu, 6 Jan 2022 07:57:44 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7FED6B820D6; Thu, 6 Jan 2022 12:57:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 522BAC36AE5; Thu, 6 Jan 2022 12:57:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1641473862; bh=l/UE+revKaXT7Bb0p/V4j8d5w62p/C4OUBxIoaWlMws=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=puAQWQw2OepEM2ilLggQguUQkjBkI4rshnKO3qDD5JoUIMbGn5yP9tuD8+0Cb95LU yJrMKfv4yhza6IiypxKrSvkBaqxQvVXGXcySErTxUK1X/aoYDLgXrBYaod8XieNJuh /zP5t6+DUmActNuwVxbhOgLVts+BCwjGfBn00N1iB+GOmCqjBafisvf4xiUGKQIzLt I3pZM1M3eTpKLbUpgqZDkiKfuwwUSP0SxLnAuyvpB5SJGyrO5avd0GGKHiF6dTd6F8 2HkyfN5vej5bsOVzurRXrx1h/naVYZC5mFMvSegeG9c+iUQ7h4aP7Dr044qunNJT8b KtQpSbrzg1zyw== Date: Thu, 6 Jan 2022 13:57:38 +0100 From: Wolfram Sang To: Miroslav =?utf-8?Q?Bend=C3=ADk?= Cc: linux-i2c@vger.kernel.org, linux-input@vger.kernel.org Subject: Re: Wrong piix4_smbus address / slow trackpoint on Thinkpad P14s gen 2 (AMD) Message-ID: Mail-Followup-To: Wolfram Sang , Miroslav =?utf-8?Q?Bend=C3=ADk?= , linux-i2c@vger.kernel.org, linux-input@vger.kernel.org References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="o3ME+rrv2v82vae7" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --o3ME+rrv2v82vae7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi again, > Address detection does not work because cd6h/cd7h port io can be > disabled, but it's accessible using mmio. This patch: > https://lore.kernel.org/all/20210715221828.244536-1-Terry.Bowman@amd.com/ > with modified AMD_PCI_SMBUS_REVISION_MMIO fixed base address > detection. Okay, this patch is stalled because Terry is waiting for review comments. I'll mention the high priority. > Problem with RMI4 touchpad / trackpoint remains, because rmi4-smbus > needs host notify feature. I have tried implement this feature, > without success. Interrupts on IRQ 7 (SMBus) are generated only for > block data transfers, but not for trackpoint / touchpad move actions. > I have looked at pinctrl_amd and it looks, that activity is signaled > using GPIO. This looks promising: Isn't the interrupt described in the ACPI tables? All the best, Wolfram --o3ME+rrv2v82vae7 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmHW50EACgkQFA3kzBSg KbY8bA//aLJywXLpXOv/idwuijcgWOf3WCGMHER6mxlIhKTJZcnRrjNXMmMOgMMq G6oj/W0DnDLwrfDUgMatGVBanX/kcI7UZyowZEYNHd1zVTryX3tHiMVYzG6HR02L tLyYmGNqcuit7+wmNYY34QLI36rrI9XFAT3NnBOIrFQBUVZmyBl4ZatPmv1iqlPk 8kXeptefZ6THLCkXJYhwy7cEms9FMvXOGmcJ97HEDCTxcxWEMSVtknKeqqcAJuPM ws7JJzhkA0lV3BOn79JECN05AfbVwVuwXfb3yXYP3yOSozQIrzLF8NEEFJ3LA44F qBYewcFN58Q11xIE2bsBJpuxiQrhxRlD0IzUByi+Fh2LIszkdNIeUlTnVkFXMQOb wXjymffuGHKY4ysryIg58Se1GN4QfUoFNEhuhX36s7ZN3PSH9tVBcPvz2nBDs7J7 /6HUTDto8xd12x+5MRnwqQOiuFZFZ/q0Ja7ibaT6uG5M7q1y3LYiVEFyWV/2Tu+x nCxUb0NQCvXf9ZljAu9Vdo4XqgoPwsFTWwMk6AbJGpg2LoBH5xOsBp/5sn0zGzUL KMPF/3XO1wwa5eQhawyuLUehp6Pz8I9OIuTt5neArScVaXdb5Ce1clM3llqhjPkW BuMkOSEYp1a8IosLPgmxq6tTp+wOgcoQiapC4IbDEu4fxvj4zYA= =6Jci -----END PGP SIGNATURE----- --o3ME+rrv2v82vae7--