From patchwork Tue May 3 08:58:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835301 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 582E5C433F5 for ; Tue, 3 May 2022 08:52:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232989AbiECIzi (ORCPT ); Tue, 3 May 2022 04:55:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230464AbiECIzh (ORCPT ); Tue, 3 May 2022 04:55:37 -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 BDCF035DD0 for ; Tue, 3 May 2022 01:52:05 -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 7A8A8B81A9A for ; Tue, 3 May 2022 08:52:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5E28C385B3; Tue, 3 May 2022 08:51:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651567923; bh=zrPeTpPwyYRJzjj5h+2/9EvBk7yhpJi/4NNpHdEdfkE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QdIDfxQVxQ6yK2vF0B0zWAlCm1axHMoQb5t3Evkisq2Clbj8FDzJDpHrj689y5xkl rTD1y4DLRWTM2S65joqo4yEuRvR5ofT44Z3V4FOxzmyTXgAmX9DV1h9LHlyTGshmzk f2X4Hpn5dTkb+vjSuNNTFqA5QbiiV0Jgxj8bnuiH+1cMtzVcym8DvEVsUbamB36oq2 YJjVt0FODnV7FZzYS2ITv5I0Bilhwp03dhnFuiap1gLU94NlSCqZjzAd3ZhdEKQQL7 +7o6KRkVmCIv9zh7xM3o8C5+yO+7SGRTodQDMsQrq4dEgs5Ils52w+PnqqW3v8q6EJ ji5/FRtFIgblg== 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 02/92] iio: accel: adxl313: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:58:05 +0100 Message-Id: <20220503085935.1533814-3-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 update IIO_ALIGN definition. Fixes: 636d44633039 ("iio: accel: Add driver support for ADXL313") Signed-off-by: Jonathan Cameron --- drivers/iio/accel/adxl313_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/accel/adxl313_core.c b/drivers/iio/accel/adxl313_core.c index 9e4193e64765..508fccbd4347 100644 --- a/drivers/iio/accel/adxl313_core.c +++ b/drivers/iio/accel/adxl313_core.c @@ -46,7 +46,7 @@ EXPORT_SYMBOL_NS_GPL(adxl313_writable_regs_table, IIO_ADXL313); struct adxl313_data { struct regmap *regmap; struct mutex lock; /* lock to protect transf_buf */ - __le16 transf_buf ____cacheline_aligned; + __le16 transf_buf __aligned(IIO_ALIGN); }; static const int adxl313_odr_freqs[][2] = {