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[23.128.96.18]) by mx.google.com with ESMTP id s8si2697635edr.75.2020.09.29.05.36.44; Tue, 29 Sep 2020 05:37:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=j3rrSqKe; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732392AbgI2Mfv (ORCPT + 99 others); Tue, 29 Sep 2020 08:35:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:37340 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729518AbgI2LVN (ORCPT ); Tue, 29 Sep 2020 07:21:13 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D7CD323977; Tue, 29 Sep 2020 11:18:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601378335; bh=2J1U52HG8jrWz3udJJtL9XCRofpGjS9y2Yu9OK3s4UE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j3rrSqKePj1Y1ZEpD7k7TQiAGf0MDj2evXBgBp/TnFBJXNTHd6qk+RtvvVam1zWmE clp+ay6Vxe5YUdOiLPF1IqCsvloa+Y8FWQ2UunzlYUU1q2d01MeUNlFWP+ckq13pfV 5ha8x2Kh3JbNzRxvdcaUsU3n5joyeZAbsIJzQbCg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans de Goede , Mika Westerberg , Wolfram Sang , Sasha Levin Subject: [PATCH 4.14 144/166] i2c: core: Call i2c_acpi_install_space_handler() before i2c_acpi_register_devices() Date: Tue, 29 Sep 2020 13:00:56 +0200 Message-Id: <20200929105942.385960358@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200929105935.184737111@linuxfoundation.org> References: <20200929105935.184737111@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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 7b961c9c62eff..9f2aa45560e62 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1280,8 +1280,8 @@ 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