From nobody Fri Oct 24 22:13:26 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 2B6CFC25B08 for ; Mon, 15 Aug 2022 21:40:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349194AbiHOVj5 (ORCPT ); Mon, 15 Aug 2022 17:39:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349073AbiHOVgg (ORCPT ); Mon, 15 Aug 2022 17:36:36 -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 11ED420F; Mon, 15 Aug 2022 12:26:24 -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 C8CA3B80FD3; Mon, 15 Aug 2022 19:26:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 154C6C433C1; Mon, 15 Aug 2022 19:26:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591581; bh=o+aJkkxQg1xdwE3GE8FcNT0QI3kL4+w+o02wQgstK8o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MMwUKPPjoROqNOzJrbLzSRY5u8u4/yhAmkMEld8Jc2VDyYlSncElMj0h30UpjdI9Q QG/3ZTdSE+xVO9NSLqIVlVQzK/da9745gRI1UNTXgPeI7WYPMtyPmbWXXJA6ErkgVE 5Jkycg3tCf+mg+Oo8l/dZBsies0bcbUufovRvrgY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Tomislav Denis , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.18 0619/1095] iio: adc: ti-ads131e08: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:18 +0200 Message-Id: <20220815180455.091558736@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 55afdd050c063ae4b8dbd566107a030c00d005fd ] ____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: d935eddd2799 ("iio: adc: Add driver for Texas Instruments ADS131E0x = ADC family") Signed-off-by: Jonathan Cameron Cc: Tomislav Denis Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-36-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/adc/ti-ads131e08.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ti-ads131e08.c b/drivers/iio/adc/ti-ads131e08.c index 80a09817c119..32237cacc9a3 100644 --- a/drivers/iio/adc/ti-ads131e08.c +++ b/drivers/iio/adc/ti-ads131e08.c @@ -105,7 +105,7 @@ struct ads131e08_state { s64 ts __aligned(8); } tmp_buf; =20 - u8 tx_buf[3] ____cacheline_aligned; + u8 tx_buf[3] __aligned(IIO_DMA_MINALIGN); /* * Add extra one padding byte to be able to access the last channel * value using u32 pointer --=20 2.35.1