From mboxrd@z Thu Jan 1 00:00:00 1970 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 DF089C00140 for ; Mon, 15 Aug 2022 21:44:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349530AbiHOVok (ORCPT ); Mon, 15 Aug 2022 17:44:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349312AbiHOVkz (ORCPT ); Mon, 15 Aug 2022 17:40:55 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 480A75A3F9; Mon, 15 Aug 2022 12:28:58 -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 C1A9761089; Mon, 15 Aug 2022 19:28:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3453C433D6; Mon, 15 Aug 2022 19:28:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591737; bh=Crn7UfGD8TI4bN32FbgUjAZlJe0HbeYgeSEAu/snc6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MunsartTcujR8ctq+/7Z41qMfWAs7qhoKtdCkY/k8SJnbRFtmvnSkOYlH6M9YKwPe P8vP6Pa9vpPUBgUTfpzpyogFeb59w1bL7+UcmrwA+FzH828d5HeyTQPp3BGXM6wCC+ KHDG2qtsiULWo3WNtbMtOGtlb7oq7UgD5QEr2Sck= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.18 0658/1095] iio: gyro: adxrs450: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:57 +0200 Message-Id: <20220815180456.624957730@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron [ Upstream commit 966d2f4ee7f6e189df47abf67223266ad31e201f ] ____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 tag is inaccurate but unlikely anyone will be interested in backporting beyond that point. Fixes: 53ac8500ba9b ("staging:iio:adxrs450: Move header file contents to main file") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-75-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/gyro/adxrs450.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/gyro/adxrs450.c b/drivers/iio/gyro/adxrs450.c index 04f350025215..f84438e0c42c 100644 --- a/drivers/iio/gyro/adxrs450.c +++ b/drivers/iio/gyro/adxrs450.c @@ -73,7 +73,7 @@ enum { struct adxrs450_state { struct spi_device *us; struct mutex buf_lock; - __be32 tx ____cacheline_aligned; + __be32 tx __aligned(IIO_DMA_MINALIGN); __be32 rx; }; -- 2.35.1