From nobody Mon Sep 29 20:18:43 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 0FD39C25B0D for ; Tue, 16 Aug 2022 04:38:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231479AbiHPEiI (ORCPT ); Tue, 16 Aug 2022 00:38:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231283AbiHPEhC (ORCPT ); Tue, 16 Aug 2022 00:37:02 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DCB7357EC; Mon, 15 Aug 2022 13:27:01 -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 2D62D61133; Mon, 15 Aug 2022 20:27:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 192DDC433D6; Mon, 15 Aug 2022 20:26:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595220; bh=iTmeA8s+xFoCTgBSS0GCvKoR1P2ycaxa6jZr3GJywEY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gA14AuHpjJmwQ7M7ep58ZnRwPdOd+Xz0e+7hP1ZddQXd/rUZ0TSIKm5ZroD+Tr2X6 R0VekTjmNqwjKcYRsdEbJHt8Qk+MmbH8qlrk0v02p8LxZCm/Zqg+YjluhdebEYOaZl pw68kDGGtnFboysC4oPkZNqwSy+/e5c/K3/PVqrQ= 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 0696/1157] iio: frequency: adf4371: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:52 +0200 Message-Id: <20220815180507.470699394@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 0bb5675befe666eeed71ad808426cf2ec1c9a714 ] ____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: 7f699bd14913 ("iio: frequency: adf4371: Add support for ADF4371 PLL") Signed-off-by: Jonathan Cameron Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-68-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/frequency/adf4371.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/frequency/adf4371.c b/drivers/iio/frequency/adf437= 1.c index ecd5e18995ad..135c8cedc33d 100644 --- a/drivers/iio/frequency/adf4371.c +++ b/drivers/iio/frequency/adf4371.c @@ -175,7 +175,7 @@ struct adf4371_state { unsigned int mod2; unsigned int rf_div_sel; unsigned int ref_div_factor; - u8 buf[10] ____cacheline_aligned; + u8 buf[10] __aligned(IIO_DMA_MINALIGN); }; =20 static unsigned long long adf4371_pll_fract_n_get_rate(struct adf4371_stat= e *st, --=20 2.35.1