From patchwork Sun May 8 17:56:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12842669 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 52670C4321E for ; Sun, 8 May 2022 19:17:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229876AbiEHTS6 (ORCPT ); Sun, 8 May 2022 15:18:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236449AbiEHSCJ (ORCPT ); Sun, 8 May 2022 14:02:09 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A167558C for ; Sun, 8 May 2022 10:58:18 -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 37BD4B80E48 for ; Sun, 8 May 2022 17:58:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BCE47C385A4; Sun, 8 May 2022 17:58:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652032696; bh=8WoJTDv908TTq1GMSeSPSXEagaBg0cVyLNvkpCPyikU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f7DvFEp1bS1hhjtS308NgnAmdBqjQBgkjjLI6fdU5QpW8SXkghN/DdE48F/vyKrZF JUHdCORm0ldnvIqbzRXdSX9F64gf63S/ODDlaFXa1JEkXYQOOFj8ud5YZ6RB7Q4Boi 93udrc/xKV86yresz9IkOYbPudh6a60IMnChKlNrdPUPu6my45FWn/GdhQRDezLFA4 g9hmlbZ2LE+Ukwqe4J8XPOTRKWapyvURCXJaUSG4XV0pBB5FJMOsHzyIE+FOQIkTGX puQCJvfBNQ/qNVO1tqUTm0l0AdmOY8P4e5TlDUyRMSz/xGqEUV2f0FmF9lIQC5DL57 r9XEAwfaq8yDA== 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 73/92] iio: gyro: adis16130: Fix alignment for DMA safety Date: Sun, 8 May 2022 18:56:53 +0100 Message-Id: <20220508175712.647246-74-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: 8e67875141b2 ("staging:iio:gyro: adis16130 cleanup, move to abi and bug fixes.") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá --- drivers/iio/gyro/adis16130.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/gyro/adis16130.c b/drivers/iio/gyro/adis16130.c index b9c952e65b55..33cde9e6fca5 100644 --- a/drivers/iio/gyro/adis16130.c +++ b/drivers/iio/gyro/adis16130.c @@ -41,7 +41,7 @@ struct adis16130_state { struct spi_device *us; struct mutex buf_lock; - u8 buf[4] ____cacheline_aligned; + u8 buf[4] __aligned(IIO_DMA_MINALIGN); }; static int adis16130_spi_read(struct iio_dev *indio_dev, u8 reg_addr, u32 *val)