From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f41.google.com (mail-ed1-f41.google.com [209.85.208.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6C8B83C10B8 for ; Fri, 26 Jun 2026 21:43:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782510204; cv=none; b=po5+oOfjzNNzVErHImU4MBOEwj0Xqn2B+T3ag9Sg7KFlV9jmZVIooM82qJ2be5+IS5qadhkLBqP1STV1q9YtpCBXU5IU9vsHILjXdp9sNXPgaicJYITCsJc+AtLmOHuDUZANVxjCZqpx2Vj7cKF1JiHhhzWKa9IrHwhcgBKDfBw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782510204; c=relaxed/simple; bh=zWOQhEgXDSMZuNPR2XXmDUrg9p8HWA1NCXemKbEVnVc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GEUO/GCSe+PPA8QAQBdSSB2VFhPscTiaDbZQBGoY94nAUlR2hQbwTyGdH/kq0NO6iKGpkbAFCs+TrzG3fgQ92BPrETQWd0XvT4VGpyHNF3Ary6fSuKMfDFlrYOXb/z0mPGp3K6Is+0ZxTbFPBh1miMdyTQkxBX1XUhYrS9i5zls= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mide.dk; spf=none smtp.mailfrom=mide.dk; dkim=pass (2048-bit key) header.d=mide-dk.20251104.gappssmtp.com header.i=@mide-dk.20251104.gappssmtp.com header.b=AbaZG8HK; arc=none smtp.client-ip=209.85.208.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mide.dk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=mide.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mide-dk.20251104.gappssmtp.com header.i=@mide-dk.20251104.gappssmtp.com header.b="AbaZG8HK" Received: by mail-ed1-f41.google.com with SMTP id 4fb4d7f45d1cf-69532288224so3138218a12.0 for ; Fri, 26 Jun 2026 14:43:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mide-dk.20251104.gappssmtp.com; s=20251104; t=1782510202; x=1783115002; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=29CA9KnnHGCF5MZPePPPS8XZ1hqLV3Zp31LUg8QVI98=; b=AbaZG8HKcce/rrOHrBkGLWRrhTZiVMsgKOPXg5yBQGCdCtrWcJH2AaDGXd5FMtUSyU 70oesF0at1pKsDabTSeGOr8aHuoIfXxWlsMHQGD1Hyrn8cBq6SOnsWMy0J7IvzENbSsF /7cDcwmI9YhS2TSra2CGLzQnXwpvp8ywdZ40cCnyyCuNYGwZaZ2Zbq1rE4QLFrB/p4Jq 5+utucUT53Q5VwUCqwMUcZ+G6v2a8TYaXaAoxyAAb6oaAQhGk7A3cQvcGaei7FUG5iyi /loYU+6ozBrfthtG4+IlFo1V0wQJycUNbc4kS+LIdd7pVu+As3dILxFIOaF2XKAjTsS0 0D7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782510202; x=1783115002; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=29CA9KnnHGCF5MZPePPPS8XZ1hqLV3Zp31LUg8QVI98=; b=YAtG93oqyku/oiXeX63s05zvB+tiL8XdYJxm6cvGeH1uCS/ySQ6VLAf6ibNBtw9uvv o/e/gD6BbF4GAhqpVMe7r6vQw2tXAs1PPvwIbDgEzlSYLXE3qHFBAHOtyn39LroFOQub N6IFF9Fkt3PdEiPSYCJdMIRDIr25+bZbLm8GPCS7ZxWYy7sEVEHVXqsh/1XbVeG0r9Qx coypTaPia28qhgQ6BQFi+Y2CI09YQWR0+BKKAlaS9LjCoz+Jm9QATqmL5DQ+ALuuoo+/ sipcQY5kvMksrG/QAnBDFv5e5pno1lXhe5wlg39mxhpq8RSVXojqK/ZoN9cDusizFRt3 SjgQ== X-Gm-Message-State: AOJu0YyLjv465lQ2moh6XrISr1qAiSiPUAwp0KNifZ7wn16IA9Zgxspz leTJ6qlEPPZlO768TpPHeALbcSci3vaErlOIEzkbTqDpDXt1S2s0sbiBw7P4rTj3RQ== X-Gm-Gg: AfdE7clgV3PxYR/HcSTVZ1CXOY8k4kfdnnaSu9uTcSXBMe6Ila5kjRBjkQUbOF0S3Xn 2X37rFapItvLtBJLe7fRMogaD+AznfljtOZLd+T1SEXJwQBibFiQI3gDNOfTUZPMPxscrHR+hbO YrvRmjwa4xovv69kiqjgxyMKsNjv8k8pUu1gJFqw1Asih8NMhHYuccs7ROIjvNp5BBNZn1jXLBx rZl+CSLtoo/tFZQEFo75nhfXlIv2NL57ZeE1xZ7VdqIVPZBp0SZ+q2EmzOPBjChNGoCVect8mxW T1jP1KKgbKqkziWFL3Fts01Ub20M6U4tab4goZPZdBCdtYgLJq1vKGVBA+EaWpV9pR9mcww8eJA f5CxrNQFZXB4wlXjbtPI6X8uaCAEqsj4wqCX5L715p+YDr1lfgYSshFeKlXFNkLObeOqz9ggv7o 019vqlvORT/lupf22kXM+1trFlbDLCivSbmP32UVKaLujAStb2dFfUnI9mbyWDqVLUwLtBpZEB/ 6rmshg+ZycE7mASTZlz9Xpf1w== X-Received: by 2002:a05:6402:50cf:b0:697:ce9a:640e with SMTP id 4fb4d7f45d1cf-69810ae0428mr2780900a12.24.1782510201878; Fri, 26 Jun 2026 14:43:21 -0700 (PDT) Received: from localhost.localdomain (78-31-252-186.static.kviknet.net. [78.31.252.186]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-697f3aece6dsm3385821a12.12.2026.06.26.14.43.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jun 2026 14:43:19 -0700 (PDT) From: Kristian Mide To: dmitry.torokhov@gmail.com Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Kristian Mide Subject: [PATCH 2/2] Input: ilitek_ts: ratelimit unexpected report logging Date: Fri, 26 Jun 2026 23:42:48 +0200 Message-ID: <20260626214248.5563-3-kristian@mide.dk> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260626214248.5563-1-kristian@mide.dk> References: <20260626214248.5563-1-kristian@mide.dk> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Unexpected report IDs can repeat quickly when the controller emits unknown packets. Use dev_err_ratelimited() and include the first 16 bytes of the raw packet to keep dmesg usable while preserving enough context for debugging. --- drivers/input/touchscreen/ilitek_ts_i2c.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/ilitek_ts_i2c.c b/drivers/input/touchscreen/ilitek_ts_i2c.c index f0721af02..8886bd39b 100644 --- a/drivers/input/touchscreen/ilitek_ts_i2c.c +++ b/drivers/input/touchscreen/ilitek_ts_i2c.c @@ -241,7 +241,9 @@ static int ilitek_process_and_report_v6(struct ilitek_ts_data *ts) return ilitek_process_pen_report(ts, buf); if (buf[0] != ILITEK_TP_I2C_REPORT_ID) { - dev_err(dev, "get touch info failed. Wrong id: 0x%02X\n", buf[0]); + dev_err_ratelimited(dev, + "get touch info failed. Wrong id: 0x%02X raw[0:16]=%*ph\n", + buf[0], 16, buf); return -EINVAL; } -- 2.54.0