From patchwork Fri Dec 8 17:41:51 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Stefan_Br=C3=BCns?= X-Patchwork-Id: 10103069 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 956AD60329 for ; Fri, 8 Dec 2017 17:42:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7C8E728E42 for ; Fri, 8 Dec 2017 17:42:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7167228E50; Fri, 8 Dec 2017 17:42:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 27C6728E42 for ; Fri, 8 Dec 2017 17:42:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752003AbdLHRmX (ORCPT ); Fri, 8 Dec 2017 12:42:23 -0500 Received: from mail-out-2.itc.rwth-aachen.de ([134.130.5.47]:37961 "EHLO mail-out-2.itc.rwth-aachen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752901AbdLHRmL (ORCPT ); Fri, 8 Dec 2017 12:42:11 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2DQBADbzSpa/54agoZcHAEBAQQBAQoBA?= =?us-ascii?q?YM+ggEHg3uZIZseCoU7AoRfQxQBAQEBAQEBAQFrKIUjBiMPAUYQJQImAgJXBg4?= =?us-ascii?q?FiigEqC6CJ4hJghoBAQEBBgEBAQEBIwkBgQWCTIILg2iIbYJJgmMFowiBEKAah?= =?us-ascii?q?1eWLwICAgIJAhqBOzYigU9wgneEVneJIQGBFAEBAQ?= X-IPAS-Result: =?us-ascii?q?A2DQBADbzSpa/54agoZcHAEBAQQBAQoBAYM+ggEHg3uZIZs?= =?us-ascii?q?eCoU7AoRfQxQBAQEBAQEBAQFrKIUjBiMPAUYQJQImAgJXBg4FiigEqC6CJ4hJg?= =?us-ascii?q?hoBAQEBBgEBAQEBIwkBgQWCTIILg2iIbYJJgmMFowiBEKAah1eWLwICAgIJAhq?= =?us-ascii?q?BOzYigU9wgneEVneJIQGBFAEBAQ?= X-IronPort-AV: E=Sophos;i="5.45,378,1508796000"; d="scan'208";a="28277015" Received: from rwthex-w2-a.rwth-ad.de ([134.130.26.158]) by mail-in-2.itc.rwth-aachen.de with ESMTP; 08 Dec 2017 18:42:06 +0100 Received: from pebbles.fritz.box (78.48.176.14) by rwthex-w2-a.rwth-ad.de (2002:8682:1a9e::8682:1a9e) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1034.26; Fri, 8 Dec 2017 18:42:04 +0100 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 6/7] iio: adc: ina2xx: Align timestamp with conversion ready flag Date: Fri, 8 Dec 2017 18:41:51 +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 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: <736b34cf-67f8-4f3b-b0b6-f1dfe18255ba@rwthex-w2-a.rwth-ad.de> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 --- 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 65bd9e69faf2..0a6745e15a5d 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.