From nobody Mon Sep 29 21:20:49 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 C4DBFC00140 for ; Tue, 16 Aug 2022 00:15:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352511AbiHPAPJ (ORCPT ); Mon, 15 Aug 2022 20:15:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234032AbiHPAET (ORCPT ); Mon, 15 Aug 2022 20:04:19 -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 BA6B1A0603; Mon, 15 Aug 2022 13:28:31 -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 BC333B8119A; Mon, 15 Aug 2022 20:28:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D203C43140; Mon, 15 Aug 2022 20:28:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595308; bh=8JYCwawIHQS3LdXXjJNiUBr2d0Z9c75h0r0YDjxkPdQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eIvnZtUIoOyms80OkQkUaVlAl/z8poiXb4mJ78jUqX3QqMbv27GyIomCVFrcBHvgo 0U0sQnicqboaUPiaJqaIj2+YNi3tpvgf/zGnTggyZsxW61RwlpkwPjjhEDOom4Tkwb 67+pzOzT+T+Vmc0mWrRODEgU4ORjA1Moe1RuZdC0= 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 0690/1157] iio: dac: ti-dac082s085: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:46 +0200 Message-Id: <20220815180507.231057145@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 03a0cc77f164e4e59b970d50c6e9a6caf06dae80 ] ____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: 61011264c1af ("iio: dac: Add Texas Instruments 8/10/12-bit 2/4-chann= el DAC driver") Signed-off-by: Jonathan Cameron Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-62-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/dac/ti-dac082s085.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ti-dac082s085.c b/drivers/iio/dac/ti-dac082s08= 5.c index 106ce3546419..8e1590e3cc8b 100644 --- a/drivers/iio/dac/ti-dac082s085.c +++ b/drivers/iio/dac/ti-dac082s085.c @@ -55,7 +55,7 @@ struct ti_dac_chip { bool powerdown; u8 powerdown_mode; u8 resolution; - u8 buf[2] ____cacheline_aligned; + u8 buf[2] __aligned(IIO_DMA_MINALIGN); }; =20 #define WRITE_NOT_UPDATE(chan) (0x00 | (chan) << 6) --=20 2.35.1