From nobody Fri Oct 24 20:33:56 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 92AB6C00140 for ; Mon, 15 Aug 2022 21:36:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243348AbiHOVgj (ORCPT ); Mon, 15 Aug 2022 17:36:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348651AbiHOVeE (ORCPT ); Mon, 15 Aug 2022 17:34:04 -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 D408275CD1; Mon, 15 Aug 2022 12:24:46 -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 17AF4B810C6; Mon, 15 Aug 2022 19:24:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 73435C433D7; Mon, 15 Aug 2022 19:24:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591483; bh=ENrKwTqUaG6wm01FcYnw3KyNtxaADTZHndpvPJ+CDHQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ukJg/WNt1dPev6qQGEhRDogdiK7Aq2NN5kSTuhgLy3Nf3CDSM7RqIb5FB3t1rhkFF 7DAg24KKkS2Z8ewcaN+PjR4JacjOxyZDpSFYxPa+87VbFEcudncn/GRCB77GiXMdKP 7cAN4PDg3NnUZQ7e0Go92JqjID5gyCunfQFhiMVI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Marcelo Schmitt , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.18 0595/1095] iio: adc: ad7292: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 19:59:54 +0200 Message-Id: <20220815180454.164862407@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: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron [ Upstream commit 98295a206d04633bae31f279de11ff7d04724bce ] ____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: 506d2e317a0a ("iio: adc: Add driver support for AD7292") Signed-off-by: Jonathan Cameron Acked-by: Marcelo Schmitt Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-12-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/adc/ad7292.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad7292.c b/drivers/iio/adc/ad7292.c index 3271a31afde1..92c68d467c50 100644 --- a/drivers/iio/adc/ad7292.c +++ b/drivers/iio/adc/ad7292.c @@ -80,7 +80,7 @@ struct ad7292_state { struct regulator *reg; unsigned short vref_mv; =20 - __be16 d16 ____cacheline_aligned; + __be16 d16 __aligned(IIO_DMA_MINALIGN); u8 d8[2]; }; =20 --=20 2.35.1