From mboxrd@z Thu Jan 1 00:00:00 1970 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 BC017C28B2B for ; Mon, 15 Aug 2022 21:48:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349874AbiHOVsz (ORCPT ); Mon, 15 Aug 2022 17:48:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349376AbiHOVpZ (ORCPT ); Mon, 15 Aug 2022 17:45:25 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33864C9EAA; Mon, 15 Aug 2022 12:30:08 -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 94D49B81062; Mon, 15 Aug 2022 19:30:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ABA6FC433D6; Mon, 15 Aug 2022 19:30:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591806; bh=rqdC4nZwbSnbxPw0o+7GJSE6FDRyxJqDCjoWH0/UZjQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G8zxx/mDsjwsvbPa+jaRyGihBRpyFOmBT+VK71qE6f38zE/t75TJ1wHz+TRvIAoQ0 bu6nMCj1mSLAKwHQ1Tzyi23fHaYbvItWti/QasNaFcNXb7Pw59C7+lAChXIBP8J0qd XvfpaKv/TzrtwLLxNwnxM72HDvu5UX+KAuN1wfQ4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Robert Jones , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.18 0660/1095] iio: imu: fxos8700: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:59 +0200 Message-Id: <20220815180456.707717476@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron [ Upstream commit c9a8417a13ed9c81383662fca8a4b89f84d31e78 ] ____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: 84e5ddd5c46e ("iio: imu: Add support for the FXOS8700 IMU") Signed-off-by: Jonathan Cameron Cc: Robert Jones Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-77-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/imu/fxos8700_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/imu/fxos8700_core.c b/drivers/iio/imu/fxos8700_core.c index ab288186f36e..423cfe526f2a 100644 --- a/drivers/iio/imu/fxos8700_core.c +++ b/drivers/iio/imu/fxos8700_core.c @@ -167,7 +167,7 @@ struct fxos8700_data { struct regmap *regmap; struct iio_trigger *trig; - __be16 buf[FXOS8700_DATA_BUF_SIZE] ____cacheline_aligned; + __be16 buf[FXOS8700_DATA_BUF_SIZE] __aligned(IIO_DMA_MINALIGN); }; /* Regmap info */ -- 2.35.1