From patchwork Tue May 3 08:59:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835372 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 38362C433EF for ; Tue, 3 May 2022 09:03:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233175AbiECJGo (ORCPT ); Tue, 3 May 2022 05:06:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233155AbiECJGn (ORCPT ); Tue, 3 May 2022 05:06:43 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADBC51A3BA for ; Tue, 3 May 2022 02:03:11 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 4C832612CB for ; Tue, 3 May 2022 09:03:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 53B40C385B3; Tue, 3 May 2022 09:03:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568590; bh=RKOrsZzLR+pxviic4fRfOemi/pxrz18q2sOv6q+vpmU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D09vio8j4iQzEEFQLW6eq+EkEBCmqxsxxwLV/+FWCR2cT0U9hA+85LJcfwmKtmMIC 6RkwYog92TsWrMd7/yfG3EMQfEax/GefnDQkvo44+0w+MbcodkwVX6UGn0SCgxesNd IO5wINUZccTpNjmhiJR6p2U/kSG040/VVCIwScT6QQSvLNb08MkpcfsfZgHRAf1B2M dpQYUINpCpbO0yf6z8nqZUV+a3wkeMCVFE6OXwFkas4A+olSA0BxMZIA8nEPStTCiO k2p46xVG5r1SHUvLYFxQdWwvlhTUThL6QlDd5BjI+wgsCI2di9IUTwzyOAo20j40Zu W4iobMW/bKmHA== 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 73/92] iio: gyro: adis16130: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:16 +0100 Message-Id: <20220503085935.1533814-74-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 an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_ALIGN definition. Fixes: 8e67875141b2 ("staging:iio:gyro: adis16130 cleanup, move to abi and bug fixes.") Signed-off-by: Jonathan Cameron --- 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..f7de3c415702 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_ALIGN); }; static int adis16130_spi_read(struct iio_dev *indio_dev, u8 reg_addr, u32 *val)