From patchwork Tue May 3 08:58:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835306 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 B5CF8C433F5 for ; Tue, 3 May 2022 08:52:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232999AbiECI41 (ORCPT ); Tue, 3 May 2022 04:56:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230464AbiECI40 (ORCPT ); Tue, 3 May 2022 04:56:26 -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 7E5F920BFD for ; Tue, 3 May 2022 01:52:55 -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 32D09B81BE0 for ; Tue, 3 May 2022 08:52:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68350C385B1; Tue, 3 May 2022 08:52:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651567972; bh=4tsRDGAcD+68l8OlJcHhJp9KeN7ffiYjsAH1rSx2e44=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iG6OmtQf8DOfgsLZ63IusHs41pQ3Nijq3LqMFqZDvV+LLpVsVhETNZ2/Xnl1JhMrH 4P8Q/pRimcAOFXSnv0v5tNe6Pln1TRxJi9J/0asFNuHEAqO7+I3iTI/WS726QWyobC pBdZQ+3kNoLvvxxSAksydS4KUAfJ7rfOUeNrElz1G6I0Noyj8SCZvhwObbs3+MAB52 wuP9h8KiQIYYFXlgMbJeo0E7P1K2si6yutAswDWt6q9l7gTW2gVPj+4Xq5/qwEC59z kSDI1tV4/5mhKNimMd+m2pBmpmRwx0dBLxF/CCDS6NRF4RktkrlEOdEkxyAkDO2S8h TsS9fFvacJehg== 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_Lindahl?= , 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 07/92] iio: accel: sca3000: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:58:10 +0100 Message-Id: <20220503085935.1533814-8-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 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_ALIGN definition. Fixes: ced5c03d360ae ("staging:iio:accel:sca3000 merge files into one.") Fixes: 152a6a884ae13 ("staging:iio:accel:sca3000 move to hybrid hard / soft buffer design.") Signed-off-by: Jonathan Cameron --- drivers/iio/accel/sca3000.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c index 83c81072511e..a8897b684210 100644 --- a/drivers/iio/accel/sca3000.c +++ b/drivers/iio/accel/sca3000.c @@ -167,8 +167,8 @@ struct sca3000_state { int mo_det_use_count; struct mutex lock; /* Can these share a cacheline ? */ - u8 rx[384] ____cacheline_aligned; - u8 tx[6] ____cacheline_aligned; + u8 rx[384] __aligned(IIO_ALIGN); + u8 tx[6] __aligned(IIO_ALIGN); }; /**