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Thu, 17 Apr 2025 09:53:48 -0700 (PDT) Received: from [127.0.1.1] ([2600:8803:e7e4:1d00:c91b:eea3:7afd:2dee]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-2d5218248b7sm15812fac.47.2025.04.17.09.53.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Apr 2025 09:53:47 -0700 (PDT) From: David Lechner Date: Thu, 17 Apr 2025 11:52:39 -0500 Subject: [PATCH 7/8] iio: imu: inv_mpu6050: align buffer for timestamp MIME-Version: 1.0 Message-Id: <20250417-iio-more-timestamp-alignment-v1-7-eafac1e22318@baylibre.com> References: <20250417-iio-more-timestamp-alignment-v1-0-eafac1e22318@baylibre.com> In-Reply-To: <20250417-iio-more-timestamp-alignment-v1-0-eafac1e22318@baylibre.com> To: Jonathan Cameron , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Matthias Brugger , AngeloGioacchino Del Regno , Lars-Peter Clausen , Michael Hennerich , Cosmin Tanislav , Tomasz Duszynski , Jean-Baptiste Maneyrol , Andreas Klinger , Petre Rodan Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, David Lechner X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=865; i=dlechner@baylibre.com; h=from:subject:message-id; bh=r2Lf6V871r0X8NFwArauQL/aP2ip9vu9Z8iRNi1+BAo=; b=owEBbQGS/pANAwAKAcLMIAH/AY/AAcsmYgBoATIA+teM+VsDaed33qq9DGEWH0kyRosXw6BwA FFyhafZOMSJATMEAAEKAB0WIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCaAEyAAAKCRDCzCAB/wGP wKsAB/49x03HWwW8kibDISBd6Ld/CibPThaqCLxFDvm4mQF6Lwdkjzvmy0QtIyU0hwRJG2fl+Lh 4pIf4SyMG/WlJYZzS2R6JHm1Dm/WhAw2FYk/K4XAmzvakOcJDp7frIcgxKMgIiS03ab0WkHktkP e4iQNzBwOC88d06nrgETtFhtQoZ8nyU6wPWQuq8RMQ+J96hkRf3QYNT6XnuN6j2nFuDNHysfKDR RwSoR6I5TUGwsJiiMEIpykJQUvwfGiQpFkxOdvDy51nDD4Izr18DudobB0FWvxwiIC086FaF5OJ 6kkLPmFBHSgFMmXXVmHKRUa1AJ8QDjp/Iw3muuNM7vA3a9Pr X-Developer-Key: i=dlechner@baylibre.com; a=openpgp; fpr=8A73D82A6A1F509907F373881F8AF88C82F77C03 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250417_095349_550045_75FE0408 X-CRM114-Status: GOOD ( 10.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Align the buffer used with iio_push_to_buffers_with_timestamp() to ensure the s64 timestamp is aligned to 8 bytes. Signed-off-by: David Lechner --- drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c index 3d3b27f28c9d1c94aba93678261ce0d63099e1dc..273196e647a2b5a4860e18cfa34a088c773540e4 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c @@ -50,7 +50,7 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p) u16 fifo_count; u32 fifo_period; s64 timestamp; - u8 data[INV_MPU6050_OUTPUT_DATA_SIZE]; + u8 data[INV_MPU6050_OUTPUT_DATA_SIZE] __aligned(8); size_t i, nb; mutex_lock(&st->lock);