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=-14.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 EE588C43465 for ; Mon, 21 Sep 2020 14:42:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B380D221EC for ; Mon, 21 Sep 2020 14:42:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600699325; bh=WEZyZNqfW/C+sRQVnWNIPikBqCLwB8c/1BQSph6wUcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ibVD5WTQOdEOB5/VGsPoCaRzs81sFezBHeY1EZwEftQPnStlEMlCUaf7U93nsshsT jVf6eDffKO0Pb0jssqr61UVDD3jku4YKtVgVxLRP4A+rZ8VtCjgq+ktLR37F3S/h9C DSsBuLBuCM3A7gn4a8shOfFEnnBvCNyr5Xj2+3Is= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728055AbgIUOla (ORCPT ); Mon, 21 Sep 2020 10:41:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:50726 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727906AbgIUOlZ (ORCPT ); Mon, 21 Sep 2020 10:41:25 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 98FAD2389E; Mon, 21 Sep 2020 14:41:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600699285; bh=WEZyZNqfW/C+sRQVnWNIPikBqCLwB8c/1BQSph6wUcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KlnNqCeYuvPO1SLxAjMwxu5GuZSsoPF3ep1bY6ipu3LDyPVKj/RDHli8899/0CVDv SYecCu0arrPrpmDCSARHgSYQwHMlk1gjDfgzgx5OXYHeAoh1PRwZaV0qDeK24gDs1D k2PrgeUCVkC4gWLFUPoPuFBKbzcOKc7CoqnQRenI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Hans de Goede , Mika Westerberg , Wolfram Sang , Sasha Levin , linux-i2c@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 8/9] i2c: core: Call i2c_acpi_install_space_handler() before i2c_acpi_register_devices() Date: Mon, 21 Sep 2020 10:41:13 -0400 Message-Id: <20200921144114.2135773-8-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200921144114.2135773-1-sashal@kernel.org> References: <20200921144114.2135773-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hans de Goede [ Upstream commit 21653a4181ff292480599dad996a2b759ccf050f ] Some ACPI i2c-devices _STA method (which is used to detect if the device is present) use autodetection code which probes which device is present over i2c. This requires the I2C ACPI OpRegion handler to be registered before we enumerate i2c-clients under the i2c-adapter. This fixes the i2c touchpad on the Lenovo ThinkBook 14-IIL and ThinkBook 15 IIL not getting an i2c-client instantiated and thus not working. BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1842039 Signed-off-by: Hans de Goede Reviewed-by: Mika Westerberg Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/i2c-core-base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index f225bef1e043c..41dd0a08a625c 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1292,8 +1292,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap) /* create pre-declared device nodes */ of_i2c_register_devices(adap); - i2c_acpi_register_devices(adap); i2c_acpi_install_space_handler(adap); + i2c_acpi_register_devices(adap); if (adap->nr < __i2c_first_dynamic_bus_num) i2c_scan_static_board_info(adap); -- 2.25.1