From nobody Mon Sep 29 20:19:39 2025 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 E6E50C25B0D for ; Tue, 16 Aug 2022 04:38:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231142AbiHPEid (ORCPT ); Tue, 16 Aug 2022 00:38:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231367AbiHPEhc (ORCPT ); Tue, 16 Aug 2022 00:37:32 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0BC09E2CC; Mon, 15 Aug 2022 13:27:22 -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 8DAD261135; Mon, 15 Aug 2022 20:27:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 91C47C433C1; Mon, 15 Aug 2022 20:27:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595242; bh=Crn7UfGD8TI4bN32FbgUjAZlJe0HbeYgeSEAu/snc6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vfh4mrS2BI7ujtBTmklTH2B8rQrmGX+54y4Lvfh/RqDXrPgDplxG2/x+r8Jgh2cou gyxy7apLGzcy+VmVGlz31YUNWBRQO3vwKK2wPEnySMEg4SejvcJxgNV5bqgIJZMGXT WuJOeMpzM6E4LSoFBKaK28VVeEWpXvBIC6aXmM54= 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 5.19 0703/1157] iio: gyro: adxrs450: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:59 +0200 Message-Id: <20220815180507.713170334@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180439.416659447@linuxfoundation.org> References: <20220815180439.416659447@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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 ma= in file") Signed-off-by: Jonathan Cameron Acked-by: Nuno S=C3=A1 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; =20 }; --=20 2.35.1