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 9E877C25B0D for ; Tue, 16 Aug 2022 04:37:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231410AbiHPEhr (ORCPT ); Tue, 16 Aug 2022 00:37:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231247AbiHPEgx (ORCPT ); Tue, 16 Aug 2022 00:36:53 -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 77A0A9DB5E; Mon, 15 Aug 2022 13:27:16 -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 11642B811A2; Mon, 15 Aug 2022 20:27:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A178C43141; Mon, 15 Aug 2022 20:27:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595232; bh=PatvG9eaTtQbGqYAXTyhKleN5tMw5LZqmxtcyReqGO4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yfoKCw4C/2xjQtWAziJQwomT6AIe0iqbWUTBhQ0WwBgXe/GDFX+OsPfcI6TvsWvNh gDeRLm6hdKjvOlGlxgYG19BDmQytiMDbpIN2ZMFDaDo/cmcrS2XNlMkNK29Jc/uf9K QlWIWGdHrqvEmFlsbhZkumjL/z39KRQyVoEN4C3w= 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 0700/1157] iio: frequency: adrf6780: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:56 +0200 Message-Id: <20220815180507.610123308@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 9a5b11884cb72780cb824cac8aab47094654a84f ] ____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: 63aaf6d06d87 ("iio: frequency: adrf6780: add support for ADRF6780") Signed-off-by: Jonathan Cameron Cc: Antoniu Miclaus Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-72-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/frequency/adrf6780.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/frequency/adrf6780.c b/drivers/iio/frequency/adrf6= 780.c index 8255ffd174f6..21878bad0909 100644 --- a/drivers/iio/frequency/adrf6780.c +++ b/drivers/iio/frequency/adrf6780.c @@ -86,7 +86,7 @@ struct adrf6780_state { bool uc_bias_en; bool lo_sideband; bool vdet_out_en; - u8 data[3] ____cacheline_aligned; + u8 data[3] __aligned(IIO_DMA_MINALIGN); }; =20 static int __adrf6780_spi_read(struct adrf6780_state *st, unsigned int reg, --=20 2.35.1