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 85AE8C25B0D for ; Tue, 16 Aug 2022 00:14:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357517AbiHPANo (ORCPT ); Mon, 15 Aug 2022 20:13:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357180AbiHPADw (ORCPT ); Mon, 15 Aug 2022 20:03:52 -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 B99724C60E; Mon, 15 Aug 2022 13:25:48 -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 7A6FCB81197; Mon, 15 Aug 2022 20:25:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C193EC433C1; Mon, 15 Aug 2022 20:25:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595146; bh=yEOsJkf0JUzDzGdTK4Ndj7FqnAcfm+AIdD0yILuhxek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VMD2/M39Y/8+1ghvefTxAUmQvl5xgaAG/c1M3wKt3cYFLpQsJcOE6dIA8MG4revXl KQfEAtGoSCp4W7g42dLDcvRBRzixIU0akFrWLfROVxSN9yIovzrBARRkmSKTiqViUi m6HlknOqRLe92DrnrD04Twz06o0UVkVdc5Xv1VY4= 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 0671/1157] iio: common: ssp: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 20:00:27 +0200 Message-Id: <20220815180506.536729229@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: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron [ Upstream commit 314d2b1978bb3d20b1ec239f4e28c394da493f36 ] ____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: 50dd64d57eee ("iio: common: ssp_sensors: Add sensorhub driver") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-43-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/common/ssp_sensors/ssp.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/common/ssp_sensors/ssp.h b/drivers/iio/common/ssp_sensors/ssp.h index abb832795619..f649cdecc277 100644 --- a/drivers/iio/common/ssp_sensors/ssp.h +++ b/drivers/iio/common/ssp_sensors/ssp.h @@ -221,8 +221,7 @@ struct ssp_data { struct iio_dev *sensor_devs[SSP_SENSOR_MAX]; atomic_t enable_refcount; - __le16 header_buffer[SSP_HEADER_BUFFER_SIZE / sizeof(__le16)] - ____cacheline_aligned; + __le16 header_buffer[SSP_HEADER_BUFFER_SIZE / sizeof(__le16)] __aligned(IIO_DMA_MINALIGN); }; void ssp_clean_pending_list(struct ssp_data *data); -- 2.35.1