From patchwork Mon Jul 12 06:11:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 473044 Delivered-To: patch@linaro.org Received: by 2002:a02:c94a:0:0:0:0:0 with SMTP id u10csp2713936jao; Mon, 12 Jul 2021 01:11:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwIDbaECHxDzRY+0VzSfYfnZZGNIo/1cfIyavMZ4ocPKgogJGqF/rVc2znoE6Ogm45Psw+r X-Received: by 2002:a17:906:b53:: with SMTP id v19mr19669884ejg.262.1626077467290; Mon, 12 Jul 2021 01:11:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1626077467; cv=none; d=google.com; s=arc-20160816; b=q9FGrSCtZ5Yxjm4FXNfmhU0wkRKHzdmOGSp4sBGbrX+DbEuwnKWTNPKypMaHzoaLJr C6muSRsFS5VFVI//xm0c9q1YgOEQpKCrmj7qcg63WA1tHNIBxWppSx5pScwSu0PtJT2y nW4GdLQdfm5kYlYBoeFw7bY5tIbX+/Tf30u3hlk3+r2uGXxhr84pMP0L2K+JT+ZJ4/vY +PxGjiVHDEQSEFz2qBgNdD25Xff3qxUfRlZdFW2NncnuOu0jI/I6OA68Ulo8T9mYNnqR AFg7Bcpwdhoqjgu95SAp0BwtLuj9f1FjXzDt4HMMhyociWzBiQzGEpWeTUHNZBsb7sdQ 9a4Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=FFxhsOEnCvSMaPD2gn1HsV/pjJ+SV//yWb9TenOV2cQ=; b=sQBHNhdr+u8S3UnJX71qgb2WeGQ7u0JJDmU3Mqp5TT7BYbsuzjjRMSFSQyrlCAZ1lD owB2IV+OTbCoqHQIekFOZtqqMlkn4pp0IqeghUT/HfPeYrn9hndDV+XlTosgLX1yOJb8 SYqCSNp8Xz+FTqJrGohcIWmXdrJzPk18wJArb6HMosTlcK96vnk80LuHMOctwlI1g290 BLlJB5Y+JphLg4+6fumN9fDGehbsvaR6QHBVRm8IXOENqkwPfeLRXrvYv6i6iZtA+6Gw gsHtvetYOGUDqq9TW55hJ5v+0gBlBSSSoXIphnMzpPLIrfCPnSMDZMVHlJfjzDzfccQg MjyA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=AQRVrC4L; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n21si13642925eda.13.2021.07.12.01.11.07; Mon, 12 Jul 2021 01:11:07 -0700 (PDT) Received-SPF: pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=AQRVrC4L; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353354AbhGLIJW (ORCPT + 12 others); Mon, 12 Jul 2021 04:09:22 -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 Precedence: bulk List-ID: X-Mailing-List: stable@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(-) -- 2.30.2 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[] = {