From patchwork Sun May 8 17:55:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12842619 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 5580DC4332F for ; Sun, 8 May 2022 19:14:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229588AbiEHTSg (ORCPT ); Sun, 8 May 2022 15:18:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236528AbiEHRxt (ORCPT ); Sun, 8 May 2022 13:53:49 -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 BC0EEDFC5 for ; Sun, 8 May 2022 10:49:58 -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 6A409B80E4A for ; Sun, 8 May 2022 17:49:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8D6C0C385A4; Sun, 8 May 2022 17:49:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652032196; bh=UEHMKCxdY5vM7NjnW2Hh2YW97kmIcOXJCZTj7SE3ncA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IEDFOWkcfPtrZaLEQIBwhw4vzGyxGeTJdk+unWGue6v3RpIWgQ4Q49NKXdhDPJ2S1 FPRyTls4GoNfiFEnfSPO0GFgEmBxpNesP96BZ/Qz+Bkw1zxjijBwZMDYqeahBRxp5C lW8xLlJlmGVh11NbQhrn/gx0h65b1s8rcLC00j9LVimF5WwBTFlSKpn3tGERr7ygnS L9Fir0VMMD+VLaesUbMBRkFbLSVChhbaeqM30gfS0p9HlqDn5MMPHtFcc8Ya4oJHh1 39tqcPXS8eYPwxDckX1gK0Fj/x0KtcowUATq7oBX7/r2+ZV+Jlo5o30/g3rqOsDrwU K9Lhn5GYWYFuA== 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 06/92] iio: accel: bmi088: Fix alignment for DMA safety Date: Sun, 8 May 2022 18:55:46 +0100 Message-Id: <20220508175712.647246-7-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 insufficient guarantee for non-coherent DMA. Switch to the updated IIO_DMA_MINALIGN definition. Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá --- drivers/iio/accel/bmi088-accel-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/accel/bmi088-accel-core.c b/drivers/iio/accel/bmi088-accel-core.c index 8b2728bbcade..00894038987c 100644 --- a/drivers/iio/accel/bmi088-accel-core.c +++ b/drivers/iio/accel/bmi088-accel-core.c @@ -124,7 +124,7 @@ struct bmi088_accel_chip_info { struct bmi088_accel_data { struct regmap *regmap; const struct bmi088_accel_chip_info *chip_info; - u8 buffer[2] ____cacheline_aligned; /* shared DMA safe buffer */ + u8 buffer[2] __aligned(IIO_DMA_MINALIGN); /* shared DMA safe buffer */ }; static const struct regmap_range bmi088_volatile_ranges[] = {