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 X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 593B1C11F7A for ; Mon, 12 Jul 2021 08:51:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 45A4660FF1 for ; Mon, 12 Jul 2021 08:51:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381382AbhGLIwd (ORCPT ); Mon, 12 Jul 2021 04:52:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:55672 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352869AbhGLIAI (ORCPT ); Mon, 12 Jul 2021 04:00:08 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5507F61C28; Mon, 12 Jul 2021 07:53:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626076423; bh=clL+tDJYbKO7141C4vwWEHJR2V9LUOIGvKOSYJMVTiA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AQRVrC4LVBV6cmHPTXzW/47yzYGPsa2bRyyf9bVTNOmL5tAehne0pwsChNyDV7U91 iaDKXimWOIB2K2jtAypVDMN6g4AkzDPRi9+yubJP36CBxoGpV/0yGD6AiG1fs4ZjvG +Z4DGOnyYcbXa98il5dt1QI2Cs9Av0+hgVhOTyNE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Matt Ranostay , Sasha Levin Subject: [PATCH 5.13 637/800] iio: potentiostat: lmp91000: Fix alignment of buffer in iio_push_to_buffers_with_timestamp() Date: Mon, 12 Jul 2021 08:11:00 +0200 Message-Id: <20210712061034.887465335@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060912.995381202@linuxfoundation.org> References: <20210712060912.995381202@linuxfoundation.org> User-Agent: quilt/0.66 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 8979b67ec61abc232636400ee8c758a16a73c95f ] Add __aligned(8) to ensure the buffer passed to iio_push_to_buffers_with_timestamp() is suitable for the naturally aligned timestamp that will be inserted. Here structure is not used, because this buffer is also used elsewhere in the driver. Fixes: 67e17300dc1d ("iio: potentiostat: add LMP91000 support") Signed-off-by: Jonathan Cameron Cc: Matt Ranostay Acked-by: Matt Ranostay Link: https://lore.kernel.org/r/20210501171352.512953-8-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/potentiostat/lmp91000.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/potentiostat/lmp91000.c b/drivers/iio/potentiostat/lmp91000.c index 8a9c576616ee..ff39ba975da7 100644 --- a/drivers/iio/potentiostat/lmp91000.c +++ b/drivers/iio/potentiostat/lmp91000.c @@ -71,8 +71,8 @@ struct lmp91000_data { struct completion completion; u8 chan_select; - - u32 buffer[4]; /* 64-bit data + 64-bit timestamp */ + /* 64-bit data + 64-bit naturally aligned timestamp */ + u32 buffer[4] __aligned(8); }; static const struct iio_chan_spec lmp91000_channels[] = { -- 2.30.2