From nobody Mon Sep 29 20:19:38 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EEE66C25B0D for ; Tue, 16 Aug 2022 04:36:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230459AbiHPEf7 (ORCPT ); Tue, 16 Aug 2022 00:35:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230296AbiHPEfP (ORCPT ); Tue, 16 Aug 2022 00:35:15 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F335D6173C; Mon, 15 Aug 2022 13:27:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2BF39B8119F; Mon, 15 Aug 2022 20:27:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 861D4C433D6; Mon, 15 Aug 2022 20:27:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595260; bh=oKA0j2s2R5vr43XCyDlvJ2xrzIvot9ghVEQdDdyHXQI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vl4Zkl8gBIhdNLQ4rK3SSlgxVKbPVabqlPUNZNBEF6KqaeQlFAWsVpyYwidPmR0L4 FncEqbtkp1rUK1X8DUDkqvDU6OfjAZpyD5yOO71ug44rh7byQQvEhfAHJb6qYwcxTr YGKU+f7LEPXYVaMupXSQXmOqF8NONNxrWDAPTnpQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Jean-Baptiste Maneyrol , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.19 0708/1157] iio: imu: mpu6050: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:01:04 +0200 Message-Id: <20220815180507.890345241@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180439.416659447@linuxfoundation.org> References: <20220815180439.416659447@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron [ Upstream commit 54e03562bb960e78af050d2e550c28d77642ee44 ] ____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: 6b0cc5dce072 ("iio:imu:inv_mpu6050 Fix dma and ts alignment and data= leak issues.") Signed-off-by: Jonathan Cameron Acked-by: Jean-Baptiste Maneyrol Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-80-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/in= v_mpu6050/inv_mpu_iio.h index 8e14f20b1314..94b54c501ec0 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h @@ -204,7 +204,7 @@ struct inv_mpu6050_state { s32 magn_raw_to_gauss[3]; struct iio_mount_matrix magn_orient; unsigned int suspended_sensors; - u8 data[INV_MPU6050_OUTPUT_DATA_SIZE] ____cacheline_aligned; + u8 data[INV_MPU6050_OUTPUT_DATA_SIZE] __aligned(IIO_DMA_MINALIGN); }; =20 /*register and associated bit definition*/ --=20 2.35.1