From patchwork Tue May 3 08:59:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835378 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 F2800C433F5 for ; Tue, 3 May 2022 09:04:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233212AbiECJHj (ORCPT ); Tue, 3 May 2022 05:07:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233155AbiECJHi (ORCPT ); Tue, 3 May 2022 05:07:38 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D8C21BE93 for ; Tue, 3 May 2022 02:04:07 -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 dfw.source.kernel.org (Postfix) with ESMTPS id DA87F61259 for ; Tue, 3 May 2022 09:04:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3E1EDC385B0; Tue, 3 May 2022 09:03:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568646; bh=MjJjtUvNlgwtIKR33x5mDkH8Sj+HqWf68lmpgd85bfU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ank5oFsJghhBMKlBOXkudwm+ulLKe5MLShEXy58WuePWrx1nHS2dHeCWzj5LueL5R yZy8CPECThcWZQCWWA4AapJKsKB9k5Xbm3AhJOGJtaRyUnwy5AgLHdWe53cT8KfdaG Shq4BML1PctERERW6QQ5P2kHYHj57R+d3tEeQS3vU9Eip7qmbpPteD62Gj/4h8mZd0 f8f3WhbsfUhFBdy6ax9P1IlZ+M1T4ViBMzkh1pp3pot2ZntE5mcmLyD3yxrrWvFAl0 nIX1pyagl75STFI1blxUfkMXkD0rmgUVFEPfROGPHxHrOs2T7nnI72tJD7tJMoc/Rr h2NlAuXHglfKQ== From: Jonathan Cameron To: linux-iio@vger.kernel.org Cc: Akinobu Mita , Alexandru Lazar , Alexandru Tachici , Antoniu Miclaus , Charles-Antoine Couret , Cosmin Tanislav , Cristian Pop , David Lechner , Ivan Mikhaylov , Jacopo Mondi , Jean-Baptiste Maneyrol , Lars-Peter Clausen , Marcelo Schmitt , =?utf-8?q?M=C3=A5rten_Lindahl?= , Matt Ranostay , Michael Hennerich , Michael Welling , Mugilraj Dhavachelvan , Navin Sankar Velliangiri , =?utf-8?q?Nuno_S=C3=A1?= , Paul Cercueil , Phil Reid , Puranjay Mohan , Ricardo Ribalda , Robert Jones , Rui Miguel Silva , Sean Nyekjaer , Tomas Melin , Tomislav Denis , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Jonathan Cameron Subject: [PATCH 79/92] iio: imu: mpu6050: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:22 +0100 Message-Id: <20220503085935.1533814-80-jic23@kernel.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220503085935.1533814-1-jic23@kernel.org> References: <20220503085935.1533814-1-jic23@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Jonathan Cameron ____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_ALIGN definition. Fixes: 6b0cc5dce072 ("iio:imu:inv_mpu6050 Fix dma and ts alignment and data leak issues.") Signed-off-by: Jonathan Cameron Cc: Jean-Baptiste Maneyrol Acked-by: Jean-Baptiste Maneyrol Signed-off-by: Jonathan Cameron --- 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/inv_mpu6050/inv_mpu_iio.h index c6aa36ee966a..18bd1a50463c 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h @@ -203,7 +203,7 @@ 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_ALIGN); }; /*register and associated bit definition*/