From patchwork Mon Jul 19 14:49:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 479952 Delivered-To: patch@linaro.org Received: by 2002:a02:c94a:0:0:0:0:0 with SMTP id u10csp4243336jao; Mon, 19 Jul 2021 08:41:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxNLFpPduhKvSFR2DyeLuzzN5Y2nJNjlnyI9q0ytbwq61VmduwzLh5lfXKRfLlYOsmzZn64 X-Received: by 2002:a6b:e60f:: with SMTP id g15mr18899350ioh.48.1626709300323; Mon, 19 Jul 2021 08:41:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1626709300; cv=none; d=google.com; s=arc-20160816; b=CcYF/99MmdDEAOo6TgYYwc/sNTObCb+DtY8VcsK8vlyBw/Kpdle64Ugsv6zI8WYqbu cXjLLCJ86IViTOiZJlXR1NuGUdOLuMax1zktpIPG6qLDT6sVi6GKcz+jJbVfm3ugMmlV 2Mqakbqof7U9Pa0PoF3gVRN8Z1S9NWBCBqxYAhvpsF3ReWlJQc/Ck2Y0PAzADpTfYDET eVihvMxPidtrlCM3toCZ79t+CCGOYTykoRREnwCfJ5B2jURIOHsYOSKXKq3j8wQqtjoh C+5T72ET48cGjkud0X1dp+/kbwnQNti0lIQhxLDAzqJqTxqGxL9YjGmKYrvplhcQ+xbb yS3A== 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=q1WGGDVrjIlQv4BGwEsYV42XEjs6jIhROoUkLcDaIFA=; b=RagLxjzElD2szoAUFE0zpKEJBgv6PPW5VkzF59MKbzt9Fd2BEg3Keo3VjNSMQUAlbL 3n+2xqNM+5XTAoUAVAYBHbikWHQMtf5r+MuKfi6lt86ZW4cZZNzLIxiYq6ZHR32zz54/ N9DKkOpztGpttR08YcnFHo7uBVlILmgV+z2tLXPMKx48n2qcj/F7UEieO33IIrh6h00E Dz/02daiurMOX8ss1U+mq+mv4/kVuaJd84VOOza8d9JU+OCdfIyXBLPvqaVnoPScvOjc a0yDvO6uxP5JdsW23MOdXrhuVXdKRSCMhgN4aZZ2Dbsqly1zJASQrE3gN6eJLzy5GeQ7 bLwg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=r8YW3rjs; 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 ay16si21406520jab.96.2021.07.19.08.41.40; Mon, 19 Jul 2021 08:41:40 -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=r8YW3rjs; 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 S243163AbhGSPAm (ORCPT + 12 others); Mon, 19 Jul 2021 11:00:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:53792 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343496AbhGSO7G (ORCPT ); Mon, 19 Jul 2021 10:59:06 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 484A1613F7; Mon, 19 Jul 2021 15:36:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626709007; bh=eEm72G8V7KlveK6mKI0MQVvwWrPp8W3SBpcrY+CGJPQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r8YW3rjs5tHEilEQCTH7o6LCfcKCihXQYmnJFDoADnqWauO15pqevYauDclUlmAk5 5GFkHzTiilIEhC+xu9NxKtkYxV2nT9o5q7wBQfp2E7NvpiQvGfVfo6SZLCpC6XwZYf GpNUFeq0NQJgZSjESRwM105R36uVw+Sls1ougFKg= 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 4.19 184/421] iio: potentiostat: lmp91000: Fix alignment of buffer in iio_push_to_buffers_with_timestamp() Date: Mon, 19 Jul 2021 16:49:55 +0200 Message-Id: <20210719144952.802599953@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210719144946.310399455@linuxfoundation.org> References: <20210719144946.310399455@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 90e895adf997..68f4f6fa27da 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[] = {