From nobody Mon Sep 29 20:16:04 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 CCF68C2BBC5 for ; Tue, 16 Aug 2022 00:14:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357238AbiHPANQ (ORCPT ); Mon, 15 Aug 2022 20:13:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357026AbiHPADe (ORCPT ); Mon, 15 Aug 2022 20:03:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17F4A16D47D; Mon, 15 Aug 2022 13:25:20 -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 3281E610A7; Mon, 15 Aug 2022 20:25:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B56DC433C1; Mon, 15 Aug 2022 20:25:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595119; bh=32JWxgsHlTzu0E40Cgme+bJNd6tCN/0r15ri5IIlPQg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ESZCPMp4LdVDMxBu27aZoUokQkOq0wmLujtar2SaZeOy1h9jIsV+HqrP+tAp4uNHj X+dR7jUvxqj1Zs4bXYk/fWizm4TFnPufTIpgG9xyJjG/dAfL21bqYK6ebYYQ8SwAYz d1PtswlIxCbXzyVszWMD2U/QONGYteirYDVavStM= 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 0663/1157] iio: adc: ti-ads124s08: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:19 +0200 Message-Id: <20220815180506.237341583@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 7df19bd26cc0b85ff997cc9e2aaea712836b5460 ] ____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: e717f8c6dfec ("iio: adc: Add the TI ads124s08 ADC code") Signed-off-by: Jonathan Cameron Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-35-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/adc/ti-ads124s08.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ti-ads124s08.c b/drivers/iio/adc/ti-ads124s08.c index 767b3b634809..64833156c199 100644 --- a/drivers/iio/adc/ti-ads124s08.c +++ b/drivers/iio/adc/ti-ads124s08.c @@ -106,7 +106,7 @@ struct ads124s_private { * timestamp is maintained. */ u32 buffer[ADS124S08_MAX_CHANNELS + sizeof(s64)/sizeof(u32)] __aligned(8); - u8 data[5] ____cacheline_aligned; + u8 data[5] __aligned(IIO_DMA_MINALIGN); }; =20 #define ADS124S08_CHAN(index) \ --=20 2.35.1