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[23.128.96.18]) by mx.google.com with ESMTP id 32si2153271edq.92.2020.11.11.11.09.22; Wed, 11 Nov 2020 11:09:47 -0800 (PST) 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=@gmail.com header.s=20161025 header.b=Yu2vAQry; 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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726201AbgKKTHp (ORCPT + 99 others); Wed, 11 Nov 2020 14:07:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725860AbgKKTHp (ORCPT ); Wed, 11 Nov 2020 14:07:45 -0500 Received: from mail-pg1-x543.google.com (mail-pg1-x543.google.com [IPv6:2607:f8b0:4864:20::543]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05996C0613D1; Wed, 11 Nov 2020 11:07:43 -0800 (PST) Received: by mail-pg1-x543.google.com with SMTP id h6so2007543pgk.4; Wed, 11 Nov 2020 11:07:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=IY7N9iGWYBPna6KqtMU+4Rp0xK0puoTYkTmvj2+4IAA=; b=Yu2vAQry9EtgtWKGx3ayH616HV05qvTTScaVWd4IHkZTBwOUDpEBKfbBXFE8KCm9Se iTUI3AETJJaVvVNdAE3cTxdUpxgLQqlZ+xuoxw9tZVY1MvM0G7zXrhNTdX9A2g5oowkC +ZFNl1t7Es9/HUqg7t3yXBsiwEzAyjoN1aL3f7RrWz+Xo2+E/mQWfD0NbDC8KIrMy95J zPx1NSBUWpDhIOjhxkzrNWB066Hjjme96Axm8xJcoBlzLHCTA7KuxezZsKDhk6t8Z1x/ 1nCtzl1dffl6Ol0pRAOoC11F9AAlQKRoyrTtD7OnbYFfy9W1WEapXFj41eJy3Uu0VepV eZ8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=IY7N9iGWYBPna6KqtMU+4Rp0xK0puoTYkTmvj2+4IAA=; b=tdbaxuMmoD4+HMPORgiTCo+LcVXlMlNu88ByuJNM+z3oUnxhk6YIW5u9UsO6Poqu/2 2/abNaF2muSAaFGHsjYPQgilLOISudnbi8g0pA8kkZnYge7iktWJ/9ACPBk/i4dvocBC YQuN3cWXoaFLjfaPqMkpLASa2NiAs00vmoDWMQIHVOn/pbu/gdVAqbHMtuqortQ1AcSz rixH9qWx4AzP3hexqGvfF/GCmR3EYaBaA1L1FUJyfKUIg305PNodkna0FwxlaAyM1u8j mD8shd2g32dutAP7Jnn5jlYqiQeiZd6Welv4brqVHi94MpBJjCIuLX5xpvaQDNjQ8LSV QQhQ== X-Gm-Message-State: AOAM5326xK2SgFd+d6kPnsmPsTWWtcajq7T1mGOYxBH+fmlGDtMHoWWW jTTMvwxWS6qIDN8BsizXNEw= X-Received: by 2002:a63:f74c:: with SMTP id f12mr22538253pgk.434.1605121663425; Wed, 11 Nov 2020 11:07:43 -0800 (PST) Received: from dtor-ws ([2620:15c:202:201:a6ae:11ff:fe11:fcc3]) by smtp.gmail.com with ESMTPSA id v23sm3108284pjh.46.2020.11.11.11.07.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Nov 2020 11:07:42 -0800 (PST) Date: Wed, 11 Nov 2020 11:07:40 -0800 From: Dmitry Torokhov To: Oleksij Rempel Cc: Alexandru Ardelean , David Jander , kernel@pengutronix.de, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org Subject: Re: [PATCH v2] Input: touchscreen: ads7846.c: Fix race that causes missing releases Message-ID: <20201111190740.GY1003057@dtor-ws> References: <20201027105416.18773-1-o.rempel@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201027105416.18773-1-o.rempel@pengutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Oleksij, On Tue, Oct 27, 2020 at 11:54:16AM +0100, Oleksij Rempel wrote: > From: David Jander > > If touchscreen is released while busy reading HWMON device, the release > can be missed. The IRQ thread is not started because no touch is active > and BTN_TOUCH release event is never sent. > > Fixes: f5a28a7d4858f94a ("Input: ads7846 - avoid pen up/down when reading hwmon") > Co-Developed-by: David Jander Since the patch is nominally attributed to David (via the From: tag) I'll be changing Co-developed-by tag to your name, OK? > Signed-off-by: David Jander > Signed-off-by: Oleksij Rempel Thanks. -- Dmitry