From patchwork Sun May 8 17:56:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12842585 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 44E88C4332F for ; Sun, 8 May 2022 19:13:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230349AbiEHTQy (ORCPT ); Sun, 8 May 2022 15:16:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235454AbiEHSBi (ORCPT ); Sun, 8 May 2022 14:01:38 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 844CE558C for ; Sun, 8 May 2022 10:57:47 -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 3ED3FB80E45 for ; Sun, 8 May 2022 17:57:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 842CAC385B0; Sun, 8 May 2022 17:57:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652032665; bh=WDjqqfU+angQAyV/tsEuTg7972IowSWtQyVHiloxMZc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lKZrgKrFzlkkI77feKWSFIDkyk7Ka7aYxEUYbr+ssYORWKvuZGMzqPGCS+O48tsnT sVYNb/YPRPvUhVN7nxVE6VzCtZgVfyh2+Mxj3gtDem17qVU1Y6l+kiJIgFCtCGkqWx e9yzH9+3UNd1LPmgNiRWj3gKIlNC39vzSH7XIqb5rfZYd3muaV6U8blDWA+QGJ0gQq akEz3xC3ns0Yr/37qNBpVZSTm1nEAntCeOLX4Jg3u5ifcq79RDLhSFg4HX+K2Xw5CI zGDYaXO0wPmpwIGa4iHlFg4IMQWfsTn/U6G6lMk90vX8TeKzGHg3O9tg0s63qeX7bC 9T38TiAHW3O/A== From: Jonathan Cameron To: linux-iio@vger.kernel.org Cc: Alexandru Lazar , Akinobu Mita , Alexandru Tachici , Antoniu Miclaus , Charles-Antoine Couret , Cosmin Tanislav , David Lechner , Ivan Mikhaylov , Jacopo Mondi , Jean-Baptiste Maneyrol , Lars-Peter Clausen , Marcelo Schmitt , =?utf-8?q?M=C3=A5rten_Lindahl?= , Matt Ranostay , Matt Ranostay , Michael Hennerich , Michael Welling , Mugilraj Dhavachelvan , Navin Sankar Velliangiri , =?utf-8?q?Nuno_S=C3=A1?= , Paul Cercueil , Phil Reid , Puranjay Mohan , Ricardo Ribalda , Robert Jones , Rui Miguel Silva , Sean Nyekjaer , Tomas Melin , Tomislav Denis , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Jonathan Cameron Subject: [PATCH v2 69/92] iio: frequency: admv1014: Fix alignment for DMA safety Date: Sun, 8 May 2022 18:56:49 +0100 Message-Id: <20220508175712.647246-70-jic23@kernel.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220508175712.647246-1-jic23@kernel.org> References: <20220508175712.647246-1-jic23@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Jonathan Cameron ____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: f4eb9ac7842f ("iio: frequency: admv1014: add support for ADMV1014") Signed-off-by: Jonathan Cameron Cc: Antoniu Miclaus Acked-by: Nuno Sá --- drivers/iio/frequency/admv1014.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/frequency/admv1014.c b/drivers/iio/frequency/admv1014.c index a7994f8e6b9b..d1ccaa7ed5fe 100644 --- a/drivers/iio/frequency/admv1014.c +++ b/drivers/iio/frequency/admv1014.c @@ -127,7 +127,7 @@ struct admv1014_state { unsigned int quad_se_mode; unsigned int p1db_comp; bool det_en; - u8 data[3] ____cacheline_aligned; + u8 data[3] __aligned(IIO_DMA_MINALIGN); }; static const int mixer_vgate_table[] = {106, 107, 108, 110, 111, 112, 113, 114,