From mboxrd@z Thu Jan 1 00:00:00 1970 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 BF988C433F5 for ; Tue, 3 May 2022 09:00:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231491AbiECJE2 (ORCPT ); Tue, 3 May 2022 05:04:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230514AbiECJE1 (ORCPT ); Tue, 3 May 2022 05:04:27 -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 D43F26393 for ; Tue, 3 May 2022 02:00:55 -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 8C61DB81AEC for ; Tue, 3 May 2022 09:00:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4B1FC385A4; Tue, 3 May 2022 09:00:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568453; bh=HVlsUZrGNgyE2H1iOfTqqcXNWUuYydWdYumNcPQ0rPQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hy3d4t/rEjOwVKFbGXlXWAAe/MbEtJxo2SCG0ULt3HD1E0JJrZMwc/+Q7zZxhdu9g cjYij3C33uN7ZNwg4kCccHmCEBp4DHhceAgP322wTUJLJCRC/NStCiUVBjyh7EmvAF dHP/geWMXRLMwShWRgX4GxsTaYGfLjHEuUqQ4Qsh113u2FkmvdwDlwVt3eihgigoFk ohvqI4hh9jvxhb8L4YmIdJlVS89t9X5AkypxqgC9L2HrNwaDH9TcFJlLSL7Jz3rWLz CZyuAbtQmny6VCeWPCljp60zU7tr4JpquPmEmTZUe9gXfS3S3m7CSCQ9+D5+Zz/Bq6 tuXZwwZ99WnIQ== From: Jonathan Cameron To: linux-iio@vger.kernel.org Cc: Akinobu Mita , Alexandru Lazar , Alexandru Tachici , Antoniu Miclaus , Charles-Antoine Couret , Cosmin Tanislav , Cristian Pop , David Lechner , Ivan Mikhaylov , Jacopo Mondi , Jean-Baptiste Maneyrol , Lars-Peter Clausen , Marcelo Schmitt , =?UTF-8?q?M=C3=A5rten=20Lindahl?= , Matt Ranostay , Michael Hennerich , Michael Welling , Mugilraj Dhavachelvan , Navin Sankar Velliangiri , =?UTF-8?q?Nuno=20S=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=20Kleine-K=C3=B6nig?= , Jonathan Cameron Subject: [PATCH 58/92] iio: dac: ad8801: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:01 +0100 Message-Id: <20220503085935.1533814-59-jic23@kernel.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220503085935.1533814-1-jic23@kernel.org> References: <20220503085935.1533814-1-jic23@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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_ALIGN definition. Fixes: 7f270bc9a2d9 ("iio: dac: AD8801: add Analog Devices AD8801/AD8803 support") Signed-off-by: Jonathan Cameron --- drivers/iio/dac/ad8801.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad8801.c b/drivers/iio/dac/ad8801.c index 6be35c92d435..dfe2640d6af2 100644 --- a/drivers/iio/dac/ad8801.c +++ b/drivers/iio/dac/ad8801.c @@ -26,7 +26,7 @@ struct ad8801_state { struct regulator *vrefh_reg; struct regulator *vrefl_reg; - __be16 data ____cacheline_aligned; + __be16 data __aligned(IIO_ALIGN); }; static int ad8801_spi_write(struct ad8801_state *state, -- 2.36.0