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[2a06:4004:215b:0:2aa0:6bff:feb3:5b8c]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-69a19dbee72sm9934268a12.30.2026.07.09.11.26.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jul 2026 11:26:44 -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 v2 3/3] Input: ilitek_ts: ratelimit unexpected report logging Date: Thu, 9 Jul 2026 20:26:02 +0200 Message-ID: <20260709182602.7308-4-kristian@mide.dk> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260709182602.7308-1-kristian@mide.dk> References: <20260626214248.5563-1-kristian@mide.dk> <20260709182602.7308-1-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 6146baa2b..e68bc0522 100644 --- a/drivers/input/touchscreen/ilitek_ts_i2c.c +++ b/drivers/input/touchscreen/ilitek_ts_i2c.c @@ -238,7 +238,9 @@ 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