From nobody Mon Sep 29 20:16:02 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 68A3DC2BB45 for ; Tue, 16 Aug 2022 00:14:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357082AbiHPANA (ORCPT ); Mon, 15 Aug 2022 20:13:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356927AbiHPADV (ORCPT ); Mon, 15 Aug 2022 20:03:21 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3637F16D45B; Mon, 15 Aug 2022 13:25:16 -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 22F6AB8119C; Mon, 15 Aug 2022 20:25:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74FB4C433C1; Mon, 15 Aug 2022 20:25:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595112; bh=DodGUGhhzSe5+/SXIMWvmy4wXtJmh4+oOf6w+xHaOjU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VAWITPjhbiFIFJ7zbvH6pTus/SyxzdUmqsBTezAGZFlMSkDWVhxeZvsF7D97O62xB k6nWWSqh/Qw89h8DxEZIp1vgWS1rrGlIFiQ9ernwW10kncPbMMd6cEIfSFQ8at0DYg 09nq2RTpEuLpYL4MjLMDhf7jKbO8vKokyIWTsbrs= 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 0661/1157] iio: adc: ti-adc128s052: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:17 +0200 Message-Id: <20220815180506.162423400@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 23c81e7a7e5204a08b553d07362d3082926663b8 ] ____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: 913b86468674 ("iio: adc: Add TI ADC128S052") Signed-off-by: Jonathan Cameron Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-33-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/adc/ti-adc128s052.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s05= 2.c index 8e7adec87755..622fd384983c 100644 --- a/drivers/iio/adc/ti-adc128s052.c +++ b/drivers/iio/adc/ti-adc128s052.c @@ -29,7 +29,7 @@ struct adc128 { struct regulator *reg; struct mutex lock; =20 - u8 buffer[2] ____cacheline_aligned; + u8 buffer[2] __aligned(IIO_DMA_MINALIGN); }; =20 static int adc128_adc_conversion(struct adc128 *adc, u8 channel) --=20 2.35.1