From patchwork Tue May 3 08:59:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 12835371 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 D89E5C433F5 for ; Tue, 3 May 2022 09:03:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233149AbiECJGf (ORCPT ); Tue, 3 May 2022 05:06:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233182AbiECJGe (ORCPT ); Tue, 3 May 2022 05:06:34 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56E771CB11 for ; Tue, 3 May 2022 02:03:03 -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 EFEF7B81A96 for ; Tue, 3 May 2022 09:03:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9BC3FC385B0; Tue, 3 May 2022 09:02:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651568580; bh=3JlZ4RhBqGxnqjSVxndtfGRlf7WjjrggVdty1EBhmvE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=My3tIdPRglz6rD7QgbflQI9CvcJqXqX/M2L1wYsDYNZouUgGw0zPc0IjjS/RmViv6 tREkaRy7RchKNKzAu6a2w1rXBgoZtQDOZFhYhMN8X+IAPbqjw4vHV/u+IDtCocu8id 5yoBZIYuOG3BaXdNiKuQm+5KhLEV9fud19h9XOsnMMYOhg+5LD50ZBKwV9c4AlxMpF ewrrAy19Hi9Zplp8vTZTa1+u9yQgsvAis2O09zZpsnw4x6da9zTtV1h/kjB/9ZfW4C 1X2B2iL5w6fBbvLP0/A2i72CBk5RC9An0+dnUuO8s206eefBWLtO2qndqpeqQPhVbT iqDDGlfau4gOA== 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 72/92] iio: gyro: adis16080: Fix alignment for DMA safety Date: Tue, 3 May 2022 09:59:15 +0100 Message-Id: <20220503085935.1533814-73-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 tag is inaccurate but unlikely anyone will backport this beyond that point so I haven't chased the history futher than 2013. Fixes: 3c80372dae17 ("staging:iio:adis16080: be16 cleanups") Signed-off-by: Jonathan Cameron --- drivers/iio/gyro/adis16080.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/gyro/adis16080.c b/drivers/iio/gyro/adis16080.c index acef59d822b1..b97c07f31370 100644 --- a/drivers/iio/gyro/adis16080.c +++ b/drivers/iio/gyro/adis16080.c @@ -45,7 +45,7 @@ struct adis16080_state { const struct adis16080_chip_info *info; struct mutex lock; - __be16 buf ____cacheline_aligned; + __be16 buf __aligned(IIO_ALIGN); }; static int adis16080_read_sample(struct iio_dev *indio_dev,