From patchwork Mon Jul 12 06:10:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 472909 Delivered-To: patch@linaro.org Received: by 2002:a02:c94a:0:0:0:0:0 with SMTP id u10csp2661026jao; Sun, 11 Jul 2021 23:51:00 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyCdGn7y/qMhB1Thubc2atvcHr8LCQ9Phmns0t/hVDrPB9ua4ocSi7JMfLaq4AzfpdrspP6 X-Received: by 2002:a17:907:1b1b:: with SMTP id mp27mr50173550ejc.538.1626072660820; Sun, 11 Jul 2021 23:51:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1626072660; cv=none; d=google.com; s=arc-20160816; b=0WEgMIuQa0oQ7yP3UZMFRbXZB8IKxJ5t/y53nxnHn5vBEphAHWnGEBWKeIzH2SixZO VrdLaVGPgI0MTFyUcHFgZdWmdextMLTGmfMTReDt9wZp4PVbNC4DsqEThyjQQWc0mppq kMsI54BKa630mgDHvUFQ/zAwVs3dGlxuqf/YpJl/CVe+2N7wO8hxp5Oeo438xb09SLzU xkv+brbvg0Vb3yY5vNuy+7Ou+NQtocGuNRTBn1ubYfngtCYvR9fbPhdhZ6vnlmZ/mUuq JkSlqlcsyBQxXw2lLHufVp6O3rnE9sQ5MkmZdW1haAreCZ15i5g09Fu/euoqKPrFRZfG yf4A== 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=HlWx6XW0BK/bRLNMKJ2K55VQE3IwqmLeu3D+QZZ5IYQ=; b=ts7NHdrvPMDqDpZjJw1Up0El13nKDFDSdViD3mDn21rRCsLCRi2yFYpT3CkT6Ckkdd 6z6ZVVAgghEBaahn4goK1PZwikGOmFVNU3GjonB4HwPMpUAby2NC4MZ+71BpDT+xX84K kHvakjzxriaBET4Wpdmutt3IE7MKulq9br50bD+RqFgQYdhnlazJJ7o2/tgOVGXpcLp5 OcXXVkMcXLy5wkiFLHXagQK2olGzQAVvwzdX4ZeldNngRqdZHBhiVrcftUjsLdlLs4l2 +eBH30SlNYpN+sGhlDcok6tEOyRa1r/MGkunr3WBqnyJPdnhzQvBsyuyRM9L0+zWBG1P LOtw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=HCLD2PXg; 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 r25si3440466edp.437.2021.07.11.23.51.00; Sun, 11 Jul 2021 23:51:00 -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=HCLD2PXg; 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 S239863AbhGLGxH (ORCPT + 12 others); Mon, 12 Jul 2021 02:53:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:44284 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239100AbhGLGt2 (ORCPT ); Mon, 12 Jul 2021 02:49:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9ADB761351; Mon, 12 Jul 2021 06:46:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626072366; bh=T4SOJDAGaGvBB1zOWOd+Gwxx6lJYSYyimlTfcsBfXXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HCLD2PXggzxipGLeSGeg+//orWq+UoTvIzyNDhmjkJaz+BgP5MeSnOxjmE0oelFM+ WbmskhRzOWio8TMfHWXUeJ1+0k2Anobgq3jcrMoqm1t83f6iDx6ZCoklU6HHzk4u58 3800SeXtHaMjwkfEyS+O1zklO+OqBsMKeDFyCJcs= 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 5.10 466/593] iio: potentiostat: lmp91000: Fix alignment of buffer in iio_push_to_buffers_with_timestamp() Date: Mon, 12 Jul 2021 08:10:26 +0200 Message-Id: <20210712060941.134421885@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060843.180606720@linuxfoundation.org> References: <20210712060843.180606720@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 f34ca769dc20..d7ff74a798ba 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[] = {