From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752546AbbIPI40 (ORCPT ); Wed, 16 Sep 2015 04:56:26 -0400 Received: from mailout4.w1.samsung.com ([210.118.77.14]:29019 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751921AbbIPI4W (ORCPT ); Wed, 16 Sep 2015 04:56:22 -0400 X-AuditID: cbfec7f5-f794b6d000001495-74-55f92eb376cd Message-id: <55F92E8C.3020701@samsung.com> Date: Wed, 16 Sep 2015 10:55:40 +0200 From: Sylwester Nawrocki User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 MIME-version: 1.0 To: Arnd Bergmann , linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org, y2038@lists.linaro.org, Mauro Carvalho Chehab , linux-api@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: Re: [PATCH 4/7] [media] exynos4-is: use monotonic timestamps as advertized References: <1442332148-488079-1-git-send-email-arnd@arndb.de> <1442332148-488079-5-git-send-email-arnd@arndb.de> In-reply-to: <1442332148-488079-5-git-send-email-arnd@arndb.de> Content-type: text/plain; charset=windows-1252 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCLMWRmVeSWpSXmKPExsVy+t/xy7qb9X6GGjQfsbH4O+kYu8Xm7x1s Fpd3zWGz6NmwldVixvl9TBarn1VYXOlayeTA7vH71yRGj9v/HjN7bOm/y+7xeZNcAEsUl01K ak5mWWqRvl0CV8bCG/uZC5azVOw/vZi9gfEwcxcjJ4eEgInE+m872CFsMYkL99azdTFycQgJ LGWUOHN5ApTznFFixbOnLCBVvAJaEsuWLGfqYuTgYBFQlWieKwISZhMwlOg92scIYosKREgs X32SEaJcUOLH5HtgrSICdhJrz29nAZnJLLCaUeLrzANgCWGBUIkrPxtZQWwhgWKJVRv+gl3H KWAvsebcQ3aQXcwCehL3L2qBhJkF5CU2r3nLPIFRYBaSFbMQqmYhqVrAyLyKUTS1NLmgOCk9 10ivODG3uDQvXS85P3cTIySsv+5gXHrM6hCjAAejEg+vw8sfoUKsiWXFlbmHGCU4mJVEeCMV foYK8aYkVlalFuXHF5XmpBYfYpTmYFES5525632IkEB6YklqdmpqQWoRTJaJg1OqgXHrQe9N q8R2vd+g8V/9EUvfjV6WUN8M20POHj73ucTCY29dbom+tGGZlWmJyEGx60LFqsahdw8fWXi3 uG9N6go92yRVrkzPtun/Z6laSfIxlgSIHDw0Peju7JxDU4xP9zs/yaoxMvtl2vdpflW+iZHk YfbbPxOebmw1ZJulJ28sNvfkxsmZK5RYijMSDbWYi4oTAc70ChZnAgAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 15/09/15 17:49, Arnd Bergmann wrote: > The exynos4 fimc capture driver claims to use monotonic > timestamps but calls ktime_get_real_ts(). This is both > an incorrect API use, and a bad idea because of the y2038 > problem and the fact that the wall clock time is not reliable > for timestamps across suspend or settimeofday(). > > This changes the driver to use the normal v4l2_get_timestamp() > function like all other drivers. > > Signed-off-by: Arnd Bergmann Acked-by: Sylwester Nawrocki