Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753219AbdLHRmS (ORCPT ); Fri, 8 Dec 2017 12:42:18 -0500 Received: from mail-out-2.itc.rwth-aachen.de ([134.130.5.47]:42278 "EHLO mail-out-2.itc.rwth-aachen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752660AbdLHRmI (ORCPT ); Fri, 8 Dec 2017 12:42:08 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2A+AwDbzSpa/54agoZcGwEBAQEDAQEBC?= =?us-ascii?q?QEBAYM+ggEHg3uZIZseCoU7AoRfQxQBAQEBAQEBAQFrKIUjBiMPAUYQJQImAgJ?= =?us-ascii?q?XBg4FiigEqC6CJ4hJghoBAQEBBgEBAQEBIwkBgQWCTIILg2iHaoEDgkmCYwWjC?= =?us-ascii?q?IEQoBqHV5YvAgICAgkCGoE7NiKBT3CCd4RWd4dugTMBgRQBAQE?= X-IPAS-Result: =?us-ascii?q?A2A+AwDbzSpa/54agoZcGwEBAQEDAQEBCQEBAYM+ggEHg3u?= =?us-ascii?q?ZIZseCoU7AoRfQxQBAQEBAQEBAQFrKIUjBiMPAUYQJQImAgJXBg4FiigEqC6CJ?= =?us-ascii?q?4hJghoBAQEBBgEBAQEBIwkBgQWCTIILg2iHaoEDgkmCYwWjCIEQoBqHV5YvAgI?= =?us-ascii?q?CAgkCGoE7NiKBT3CCd4RWd4dugTMBgRQBAQE?= X-IronPort-AV: E=Sophos;i="5.45,378,1508796000"; d="scan'208";a="28277012" From: =?UTF-8?q?Stefan=20Br=C3=BCns?= To: CC: Peter Meerwald-Stadler , =?UTF-8?q?Stefan=20Br=C3=BCns?= , Maciej Purski , , "Andrew F . Davis" , Lars-Peter Clausen , Jonathan Cameron , Hartmut Knaack , "Javier Martinez Canillas" Subject: [PATCH v1 2/7] iio: adc: ina2xx: Clarify size requirement for data buffer Date: Fri, 8 Dec 2017 18:41:47 +0100 X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171208174152.30341-1-stefan.bruens@rwth-aachen.de> References: <20171208174152.30341-1-stefan.bruens@rwth-aachen.de> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [78.48.176.14] X-ClientProxiedBy: rwthex-w3-a.rwth-ad.de (2002:8682:1aa2::8682:1aa2) To rwthex-w2-a.rwth-ad.de (2002:8682:1a9e::8682:1a9e) Message-ID: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 901 Lines: 26 The timestamp is inserted into the buffer after the sample data by iio_push_to_buffers_with_timestamp, document the space requirement for the timestamp. Signed-off-by: Stefan Brüns --- drivers/iio/adc/ina2xx-adc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 3195f8754c3b..8c8120406f52 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -700,7 +700,8 @@ static const struct iio_chan_spec ina219_channels[] = { static int ina2xx_work_buffer(struct iio_dev *indio_dev) { struct ina2xx_chip_info *chip = iio_priv(indio_dev); - unsigned short data[8]; + /* data buffer needs space for channel data and timestap */ + unsigned short data[4 + sizeof(s64)/sizeof(short)]; int bit, ret, i = 0; s64 time_a, time_b; unsigned int alert; -- 2.15.1