From nobody Mon Sep 29 21:12:45 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 54BD9C25B0D for ; Tue, 16 Aug 2022 04:38:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231317AbiHPEiP (ORCPT ); Tue, 16 Aug 2022 00:38:15 -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 S231299AbiHPEhJ (ORCPT ); Tue, 16 Aug 2022 00:37:09 -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 F3DFE9DF9E; Mon, 15 Aug 2022 13:27:18 -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 33B20B8119E; Mon, 15 Aug 2022 20:27:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84DABC4314C; Mon, 15 Aug 2022 20:27:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595235; bh=z1xUNYx42fke/EV5QP7IxecBd8URVJ29kBbGoG4kACI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BMdG5dQotN5xonSMsDsIrrkPeoZj6ToHNLk30ILY4hgXP5FXoa9v6u6sIU33+b5Pl 8icaf+7tgmJxMzHfIlvR3htasRZIbG4iJ+2/gCp2wBh992BZOca0OSTdkauUT8DfrH KkFl9aMx5Qp5QK+J/9j1gz9H/jjFaJU0tCoDDqto= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.19 0701/1157] iio: gyro: adis16080: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:57 +0200 Message-Id: <20220815180507.650801423@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 ae6eeb534924ecc2afd5a394964fd6de0ca54d39 ] ____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 tag is inaccurate but unlikely anyone will backport this beyond that point so I haven't chased the history futher than 2013. Fixes: 3c80372dae17 ("staging:iio:adis16080: be16 cleanups") Signed-off-by: Jonathan Cameron Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-73-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/gyro/adis16080.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/gyro/adis16080.c b/drivers/iio/gyro/adis16080.c index acef59d822b1..14b3abf6dce9 100644 --- a/drivers/iio/gyro/adis16080.c +++ b/drivers/iio/gyro/adis16080.c @@ -45,7 +45,7 @@ struct adis16080_state { const struct adis16080_chip_info *info; struct mutex lock; =20 - __be16 buf ____cacheline_aligned; + __be16 buf __aligned(IIO_DMA_MINALIGN); }; =20 static int adis16080_read_sample(struct iio_dev *indio_dev, --=20 2.35.1