Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755143AbdLUScO (ORCPT ); Thu, 21 Dec 2017 13:32:14 -0500 Received: from mail-out-1.itc.rwth-aachen.de ([134.130.5.46]:35125 "EHLO mail-out-1.itc.rwth-aachen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753493AbdLUSb4 (ORCPT ); Thu, 21 Dec 2017 13:31:56 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2ASCgAD/Tta/54agoZbHAEBAQQBAQoBA?= =?us-ascii?q?YM+ggEHg3+ZNIFamWUKhTsChEpDFAEBAQEBAQEBAWsohSQGIw8BRhAlAiYCAlc?= =?us-ascii?q?GDgWKKwSkQ4IniFOCHAEBAQEGAQEBAQEjCQGBBYJwghKDaAyGKYI6gg4MMYJlB?= =?us-ascii?q?aNIgROgL4dnllICAgICCQIagTs2IoFPcIJ5hFh3iQEBgRUBAQE?= X-IPAS-Result: =?us-ascii?q?A2ASCgAD/Tta/54agoZbHAEBAQQBAQoBAYM+ggEHg3+ZNIF?= =?us-ascii?q?amWUKhTsChEpDFAEBAQEBAQEBAWsohSQGIw8BRhAlAiYCAlcGDgWKKwSkQ4Ini?= =?us-ascii?q?FOCHAEBAQEGAQEBAQEjCQGBBYJwghKDaAyGKYI6gg4MMYJlBaNIgROgL4dnllI?= =?us-ascii?q?CAgICCQIagTs2IoFPcIJ5hFh3iQEBgRUBAQE?= X-IronPort-AV: E=Sophos;i="5.45,437,1508796000"; d="scan'208";a="30554763" 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 Subject: [PATCH v2 6/7] iio: adc: ina2xx: Align timestamp with conversion ready flag Date: Thu, 21 Dec 2017 19:31:37 +0100 X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171221183138.361-1-stefan.bruens@rwth-aachen.de> References: <20171221183138.361-1-stefan.bruens@rwth-aachen.de> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [92.228.148.100] X-ClientProxiedBy: rwthex-s1-a.rwth-ad.de (2002:8682:1a98::8682:1a98) To rwthex-w2-a.rwth-ad.de (2002:8682:1a9e::8682:1a9e) Message-ID: <78c52a18-e747-4661-963c-d06e05631eda@rwthex-w2-a.rwth-ad.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1072 Lines: 35 As the timestamp is no longer (ab-)used to measure the function run time, it can be taken at the correct time, i.e. when the conversion has finished. Signed-off-by: Stefan Brüns --- Changes in v2: None drivers/iio/adc/ina2xx-adc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 415e53b5c0a6..b7407ac91b59 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -706,8 +706,6 @@ static int ina2xx_work_buffer(struct iio_dev *indio_dev) s64 time; unsigned int alert; - time = iio_get_time_ns(indio_dev); - /* * Because the timer thread and the chip conversion clock * are asynchronous, the period difference will eventually @@ -736,6 +734,8 @@ static int ina2xx_work_buffer(struct iio_dev *indio_dev) } while (!alert); + time = iio_get_time_ns(indio_dev); + /* * Single register reads: bulk_read will not work with ina226/219 * as there is no auto-increment of the register pointer. -- 2.15.1