From nobody Mon Sep 29 20:19:35 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 F3B08C25B0D for ; Tue, 16 Aug 2022 04:38:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231489AbiHPEiL (ORCPT ); Tue, 16 Aug 2022 00:38:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231290AbiHPEhI (ORCPT ); Tue, 16 Aug 2022 00:37:08 -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 285AA357EE; Mon, 15 Aug 2022 13:27:06 -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 D33E0B80EB1; Mon, 15 Aug 2022 20:27:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2EC51C433C1; Mon, 15 Aug 2022 20:27:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595223; bh=UJIY00J93F1Q/dE4S4wXG9IfUZT8NkvrOkTOVnXQXpA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jnWrNnambWiLqhMbhLLy9HyusUsHUBEiruRx5c3finTogTKrAypMNQi99GimGICDi DrD70EcezUUcpKBW0tIr9yEiQeV/vYjdNrJR3lgI4Djb0xgUKKqHbiQr9P4Gv7fKx1 RxLbvGw+o10oWLZNKFLlb6zGpnPk1QyT1XHEmzQs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Antoniu Miclaus , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.19 0697/1157] iio: frequency: admv1013: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:53 +0200 Message-Id: <20220815180507.510663947@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 b3f3f8d264b9be0cb3e50e89e3f8789a948a43bb ] ____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: da35a7b526d9 ("iio: frequency: admv1013: add support for ADMV1013") Signed-off-by: Jonathan Cameron Cc: Antoniu Miclaus Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-69-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/frequency/admv1013.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1= 013.c index b0e1f6571afb..ed8167271358 100644 --- a/drivers/iio/frequency/admv1013.c +++ b/drivers/iio/frequency/admv1013.c @@ -100,7 +100,7 @@ struct admv1013_state { unsigned int input_mode; unsigned int quad_se_mode; bool det_en; - u8 data[3] ____cacheline_aligned; + u8 data[3] __aligned(IIO_DMA_MINALIGN); }; =20 static int __admv1013_spi_read(struct admv1013_state *st, unsigned int reg, --=20 2.35.1