From patchwork Mon Jul 12 06:12:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 473067 Delivered-To: patch@linaro.org Received: by 2002:a02:c94a:0:0:0:0:0 with SMTP id u10csp2718448jao; Mon, 12 Jul 2021 01:17:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxxNAKXERJKN8cgs0HwqfKFU6Ytaa0oIPdlgjwAg9c0rOc9X7TtQxBd42aXoq5cjBB6XHB2 X-Received: by 2002:a05:6402:22f4:: with SMTP id dn20mr4580255edb.335.1626077859871; Mon, 12 Jul 2021 01:17:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1626077859; cv=none; d=google.com; s=arc-20160816; b=LRxatxr9Rhm/9sjuj65zLkBgOrmKhAde3YADUUK83u8J7u8UxxexC4UL8qk1cow8HQ L5niMk8kBib7qvNSCy3lhAQX+jgC2vKRn5OZZBlmRnKDJMdAVQn2423mIf03gikOH8Wl kfFoUOIaqzatKx/XXAgxSdcjHKXBntF75NqEdSAiK1TLXvkSQRJEUeYgupn4Ee+kTwmq NpcMCgH5D2wTcCOwKn+4ngmf2N+wsknhxFIFkiPhruFGSWj6GDoB69XlLqZcys41lvti FFTyET+bvkSGQx9XRx63nnMZ9a760cXYY6qcZsvLPonlffNSaI+mi4zorKbRn6x9Q+fu /LFg== 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=p8Z/LquXoOWX2/ikMzMW0ZOGPQn3b8xmwGRVwN0qS/4=; b=bKX5X2IdZgLCSoOmUBLWFHFVOlnmsXSriIJWItUT0FNrNDIJ9yjDsd4klMLSwUvmGU MnMhXiHnqlKGuLBghHl9rMJdHCWhBnllHcHcbRZyF4chp/uXtoXp/z6K/QK5Ax5rakr4 7nWMZ0q/XrwnrU49uFhv4Izce92ZWYOn1zThcfzGAYbJVKMLwvBqwc46/+Vt3gYT019j diRnAQsTrwG7oymNV/k8NKYCx3jYR3n9cnCMsknOtfWwHa+JPjn4Yixpbg9z7SMxZJK/ OPqscFILN7BWV/yzxsGPH87dKBmIXCt025jNC6RTYQdQFfyRDseAhIDZk/GgLYNR8xaF +2sg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=1oqoByQT; 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.13.2021.07.12.01.17.39; Mon, 12 Jul 2021 01:17:39 -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=1oqoByQT; 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 S234408AbhGLILj (ORCPT + 12 others); Mon, 12 Jul 2021 04:11:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:55110 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353849AbhGLIDD (ORCPT ); Mon, 12 Jul 2021 04:03:03 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3389E6199C; Mon, 12 Jul 2021 07:58:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626076691; bh=p8MZCwApEeJkSMpx58w+IZ/YfyUklulrNMrzGhhLz0Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1oqoByQTDl35RpRbqIVP41aZGxko26i6XU9yZY1bdJJisvsI1ztHkMED/vbPglXg6 SamUpbdusnu2cNbAshVs7LrLilGf1FFNXsPCGawD2cA3sgkewMNGsU73AyYNjq3bZw gkMyAOcC8YvuGbigFcMc0D+RE6g5XgR0rH5FZKXo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Eugen Hristev , =?utf-8?q?Nuno_S=C3=A1?= , Sasha Levin Subject: [PATCH 5.13 709/800] iio: adc: at91-sama5d2: Fix buffer alignment in iio_push_to_buffers_with_timestamp() Date: Mon, 12 Jul 2021 08:12:12 +0200 Message-Id: <20210712061042.163067165@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 8f884758966259fa8c50c137ac6d4ce9bb7859db ] To make code more readable, use a structure to express the channel layout and ensure the timestamp is 8 byte aligned. Found during an audit of all calls of this function. Fixes: 5e1a1da0f8c9 ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support") Signed-off-by: Jonathan Cameron Cc: Eugen Hristev Reviewed-by: Nuno Sá Link: https://lore.kernel.org/r/20210613152301.571002-2-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/adc/at91-sama5d2_adc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.30.2 diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index a7826f097b95..d356b515df09 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -403,7 +403,8 @@ struct at91_adc_state { struct at91_adc_dma dma_st; struct at91_adc_touch touch_st; struct iio_dev *indio_dev; - u16 buffer[AT91_BUFFER_MAX_HWORDS]; + /* Ensure naturally aligned timestamp */ + u16 buffer[AT91_BUFFER_MAX_HWORDS] __aligned(8); /* * lock to prevent concurrent 'single conversion' requests through * sysfs.