From patchwork Sun May 8 17:56:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12842600 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 8426DC433EF for ; Sun, 8 May 2022 19:13:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231332AbiEHTRe (ORCPT ); Sun, 8 May 2022 15:17:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239480AbiEHSCs (ORCPT ); Sun, 8 May 2022 14:02:48 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32894558C for ; Sun, 8 May 2022 10:58:58 -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 DD8B0B80E5C for ; Sun, 8 May 2022 17:58:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 301B5C385A4; Sun, 8 May 2022 17:58:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652032735; bh=AP2v3b6pP+uDm/fTVMkqOpAYVOrYRW1kGK1dpRhQIVQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tTXc+9W3t71vHQSFVkSkzhCzjRANjob+NQYKEHFcfR+oKuxwGJOjad8jqPBrslEW/ T5/VUYtQDxMNKP7sFFKLVsW4eZaTC/oCWHJWDMqkdV1xBAy1mFTI+REVVEGZDhqheY XGRNC7fuOPb5G6umobOV9bJLsdrb2CxMVYMiLVfXTaQjJV7KsdAHvG5EusS1OYIy1Q GY3DAF1bStuTgVwJJqkOlnNqC1QWo5LcwpXwsfYaCRSo8YLOaKg3UMcGHC2PBUuyGy sgydQGEZ8FH+0xLEWSmqbF/2NEa7mh+7BhynerINHcD+TI/e/KTWonlYiEJczyIulp BdzUMC0f6J+0w== From: Jonathan Cameron To: linux-iio@vger.kernel.org Cc: Alexandru Lazar , Akinobu Mita , Alexandru Tachici , Antoniu Miclaus , Charles-Antoine Couret , Cosmin Tanislav , David Lechner , Ivan Mikhaylov , Jacopo Mondi , Jean-Baptiste Maneyrol , Lars-Peter Clausen , Marcelo Schmitt , =?utf-8?q?M=C3=A5rten_Lindahl?= , Matt Ranostay , 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 , Jean-Baptiste Maneyrol Subject: [PATCH v2 78/92] iio: imu: inv_icm42600: Fix alignment for DMA safety in buffer code. Date: Sun, 8 May 2022 18:56:58 +0100 Message-Id: <20220508175712.647246-79-jic23@kernel.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220508175712.647246-1-jic23@kernel.org> References: <20220508175712.647246-1-jic23@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Jonathan Cameron Second fix for this driver due to different introducing patches. ____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: 7f85e42a6c54 ("iio: imu: inv_icm42600: add buffer support in iio devices") Signed-off-by: Jonathan Cameron Cc: Jean-Baptiste Maneyrol Acked-by: Jean-Baptiste Maneyrol Acked-by: Nuno Sá --- drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h index de2a3949dcc7..8b85ee333bf8 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h @@ -39,7 +39,7 @@ struct inv_icm42600_fifo { size_t accel; size_t total; } nb; - uint8_t data[2080] ____cacheline_aligned; + uint8_t data[2080] __aligned(IIO_DMA_MINALIGN); }; /* FIFO data packet */