From nobody Fri Oct 24 20:13:48 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 F1135C3F6B0 for ; Mon, 15 Aug 2022 21:42:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349300AbiHOVkx (ORCPT ); Mon, 15 Aug 2022 17:40:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348667AbiHOVhB (ORCPT ); Mon, 15 Aug 2022 17:37:01 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6CF32E4; Mon, 15 Aug 2022 12:26:53 -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 4C7F8610A3; Mon, 15 Aug 2022 19:26:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32FC7C433C1; Mon, 15 Aug 2022 19:26:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591612; bh=ZxyM/5s66vFtuDDP4J/0MFczF9QSWxEyXjL60nT96AE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q4J8NacJkVa2rfvCuXuFmNLXAm0VNy9z5I0OlBp6RKOyUHb+yzf/RI8KRUtgokO9Q 3KNK/A68Lh3Ie/qbIiJwCsQZURtSNNj4RTdZVFrsARYYu7rAQYFCBd2+HfBViPxgPx wCHmICwuVhi6zPTqKKGQpKknE1rkXuMtst9DR/+M= 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 5.18 0637/1095] iio: dac: ad5766: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:36 +0200 Message-Id: <20220815180455.770895356@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 c32be7f035ae430ba9c142b03ceb9f935b09ed6b ] ____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: fd9373e41b9b ("iio: dac: ad5766: add driver support for AD5766") Signed-off-by: Jonathan Cameron Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-54-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/dac/ad5766.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5766.c b/drivers/iio/dac/ad5766.c index 43189af2fb1f..899894523752 100644 --- a/drivers/iio/dac/ad5766.c +++ b/drivers/iio/dac/ad5766.c @@ -123,7 +123,7 @@ struct ad5766_state { u32 d32; u16 w16[2]; u8 b8[4]; - } data[3] ____cacheline_aligned; + } data[3] __aligned(IIO_DMA_MINALIGN); }; =20 struct ad5766_span_tbl { --=20 2.35.1