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Date: Tue, 20 Jun 2017 12:03:48 +0200
From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To: Benjamin Gaignard <benjamin.gaignard@...aro.org>
Cc: linaro-kernel@...ts.linaro.org,
adi-buildroot-devel@...ts.sourceforge.net,
Alessandro Zummo <a.zummo@...ertech.it>,
Gregory Clement <gregory.clement@...e-electrons.com>,
Ingo Molnar <mingo@...hat.com>,
Jason Cooper <jason@...edaemon.net>,
John Stultz <john.stultz@...aro.org>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Linus Walleij <linus.walleij@...aro.org>,
Michael Chan <michael.chan@...adcom.com>,
netdev@...r.kernel.org, rtc-linux@...glegroups.com,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Support Opensource <support.opensource@...semi.com>,
Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
Baruch Siach <baruch@...s.co.il>,
Hans Ulli Kroll <ulli.kroll@...glemail.com>,
Vladimir Zapolskiy <vz@...ia.com>,
Sylvain Lemieux <slemieux.tyco@...il.com>,
Barry Song <baohua@...nel.org>,
Maxime Ripard <maxime.ripard@...e-electrons.com>,
Chen-Yu Tsai <wens@...e.org>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
linux-tegra@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
linux-pm@...r.kernel.org
Subject: Re: [PATCH 00/51] rtc: stop using rtc deprecated functions
On 20/06/2017 at 11:35:08 +0200, Benjamin Gaignard wrote:
> rtc_time_to_tm() and rtc_tm_to_time() are deprecated because they
> rely on 32bits variables and that will make rtc break in y2038/2016.
Please don't, because this hide the fact that the hardware will not
handle dates in y2038 anyway and as pointed by Russell a few month ago,
rtc_time_to_tm will be able to catch it but the 64 bit version will
silently ignore it.
> The goal of this series of patches is ti stop using those two functions
> and use instead to safer 64bits ones.
>
> It also remove change .set_mmss to set_mmss64 callback for the same reasons.
>
> Those 51 patches almost clean all the drivers except the few that I haven't
> been able to compile because of cross-toolchains issues (au1xxx, mpc5121, ps3,
> puv3, sun4v, tx4939, starfire, ls1x ...)
>
> Obviously I don't have all those hardwares in my hands so I have only check
> that the patches compile without warnings but it up to each maintainer to
> valid them on real hardware.
>
> Benjamin Gaignard (51):
> x86: rtc: stop using rtc deprecated functions
> x86: intel-mid: vrtc: stop using rtc deprecated functions
> net: broadcom: stop using rtc deprecated functions
> rtc: 88pm80x: stop using rtc deprecated functions
> rtc: 88pm860x: stop using rtc deprecated functions
> rtc: ab-b5ze-s3: stop using rtc deprecated functions
> rtc: ab8500: stop using rtc deprecated functions
> rtc: armada38x: stop using rtc deprecated functions
> rtc: at32ap700x: stop using rtc deprecated functions
> rtc: at91sam9: stop using rtc deprecated functions
> rtc: bfin: stop using rtc deprecated functions
> rtc: coh901331: stop using rtc deprecated functions
> rtc: cpcap: stop using rtc deprecated functions
> rtc: da9063: stop using rtc deprecated functions
> rtc: da9063: stop using rtc deprecated functions
> rtc: davinci: stop using rtc deprecated functions
> rtc: digicolor: stop using rtc deprecated functions
> rtc: dm355evm: stop using rtc deprecated functions
> rtc: ds1305: stop using rtc deprecated functions
> rtc: ds1374: stop using rtc deprecated functions
> rtc: ds1511: stop using rtc deprecated functions
> rtc: ds1553: stop using rtc deprecated functions
> rtc: ds1672: stop using rtc deprecated functions
> rtc: ds2404: stop using rtc deprecated functions
> rtc: ep93xx: stop using rtc deprecated functions
> rtc: gemini: stop using rtc deprecated functions
> rtc: imxdi: stop using rtc deprecated functions
> rtc: jz4740: stop using rtc deprecated functions
> rtc: lpc32xx: stop using rtc deprecated functions
> rtc: mv: stop using rtc deprecated functions
> rtc: omap: stop using rtc deprecated functions
> rtc: pcap: stop using rtc deprecated functions
> rtc: pl030: stop using rtc deprecated functions
> rtc: pl031: stop using rtc deprecated functions
> rtc: pm8xxx: stop using rtc deprecated functions
> rtc: rs5c348: stop using rtc deprecated functions
> rtc: sa1100: stop using rtc deprecated functions
> rtc: sh: stop using rtc deprecated functions
> rtc: sirfsoc: stop using rtc deprecated functions
> rtc: snvs: stop using rtc deprecated functions
> rtc: stk17ta8: stop using rtc deprecated functions
> rtc: stmp3xxx: stop using rtc deprecated functions
> rtc: sun6i: stop using rtc deprecated functions
> rtc: sysfs: stop using rtc deprecated functions
> rtc: tegra stop using rtc deprecated functions
> rtc: test: stop using rtc deprecated functions
> rtc: tps6586: stop using rtc deprecated functions
> rtc: vr41xx: stop using rtc deprecated functions
> rtc: wm831x: stop using rtc deprecated functions
> rtc: xgene stop using rtc deprecated functions
> power: suspend test: stop using rtc deprecated functions
>
> arch/x86/kernel/rtc.c | 6 ++--
> arch/x86/platform/intel-mid/intel_mid_vrtc.c | 2 +-
> drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 +-
> drivers/rtc/rtc-88pm80x.c | 44 +++++++++++++--------------
> drivers/rtc/rtc-88pm860x.c | 40 ++++++++++++-------------
> drivers/rtc/rtc-ab-b5ze-s3.c | 45 ++++++++--------------------
> drivers/rtc/rtc-ab8500.c | 26 ++++++++--------
> drivers/rtc/rtc-armada38x.c | 34 +++++++++------------
> drivers/rtc/rtc-at32ap700x.c | 29 ++++++++----------
> drivers/rtc/rtc-at91sam9.c | 18 ++++-------
> drivers/rtc/rtc-bfin.c | 24 +++++++--------
> drivers/rtc/rtc-coh901331.c | 14 +++++----
> drivers/rtc/rtc-cpcap.c | 8 ++---
> drivers/rtc/rtc-da9052.c | 8 ++---
> drivers/rtc/rtc-da9063.c | 8 ++---
> drivers/rtc/rtc-davinci.c | 8 ++---
> drivers/rtc/rtc-digicolor.c | 4 +--
> drivers/rtc/rtc-dm355evm.c | 6 ++--
> drivers/rtc/rtc-ds1305.c | 11 +++----
> drivers/rtc/rtc-ds1374.c | 6 ++--
> drivers/rtc/rtc-ds1511.c | 2 +-
> drivers/rtc/rtc-ds1553.c | 2 +-
> drivers/rtc/rtc-ds1672.c | 8 ++---
> drivers/rtc/rtc-ds2404.c | 8 ++---
> drivers/rtc/rtc-ep93xx.c | 10 +++----
> drivers/rtc/rtc-gemini.c | 8 ++---
> drivers/rtc/rtc-imxdi.c | 16 +++++-----
> drivers/rtc/rtc-jz4740.c | 12 ++++----
> drivers/rtc/rtc-lpc32xx.c | 19 +++++-------
> drivers/rtc/rtc-mv.c | 2 +-
> drivers/rtc/rtc-omap.c | 6 ++--
> drivers/rtc/rtc-pcap.c | 16 +++++-----
> drivers/rtc/rtc-pl030.c | 24 +++++++--------
> drivers/rtc/rtc-pl031.c | 31 ++++++++-----------
> drivers/rtc/rtc-pm8xxx.c | 22 +++++++-------
> drivers/rtc/rtc-rs5c348.c | 4 +--
> drivers/rtc/rtc-sa1100.c | 25 +++++++---------
> drivers/rtc/rtc-sh.c | 2 +-
> drivers/rtc/rtc-sirfsoc.c | 18 +++++------
> drivers/rtc/rtc-snvs.c | 14 ++++-----
> drivers/rtc/rtc-stk17ta8.c | 2 +-
> drivers/rtc/rtc-stmp3xxx.c | 12 ++++----
> drivers/rtc/rtc-sun6i.c | 14 ++++-----
> drivers/rtc/rtc-sysfs.c | 25 ++++++++--------
> drivers/rtc/rtc-tegra.c | 22 +++++++-------
> drivers/rtc/rtc-test.c | 17 +----------
> drivers/rtc/rtc-tps6586x.c | 26 ++++++++--------
> drivers/rtc/rtc-vr41xx.c | 6 ++--
> drivers/rtc/rtc-wm831x.c | 28 +++++++----------
> drivers/rtc/rtc-xgene.c | 12 ++++----
> kernel/power/suspend_test.c | 6 ++--
> 51 files changed, 342 insertions(+), 420 deletions(-)
>
> --
> CC: adi-buildroot-devel@...ts.sourceforge.net
> CC: Alessandro Zummo <a.zummo@...ertech.it>
> CC: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
> CC: Gregory Clement <gregory.clement@...e-electrons.com>
> CC: Ingo Molnar <mingo@...hat.com>
> CC: Jason Cooper <jason@...edaemon.net>
> CC: John Stultz <john.stultz@...aro.org>
> CC: linux-arm-kernel@...ts.infradead.org
> CC: linux-kernel@...r.kernel.org
> CC: Linus Walleij <linus.walleij@...aro.org>
> CC: Michael Chan <michael.chan@...adcom.com>
> CC: netdev@...r.kernel.org
> CC: rtc-linux@...glegroups.com
> CC: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
> CC: Support Opensource <support.opensource@...semi.com>
> CC: Thomas Gleixner <tglx@...utronix.de>
> CC: x86@...nel.org
> CC: Baruch Siach <baruch@...s.co.il>
> CC: Hans Ulli Kroll <ulli.kroll@...glemail.com>
> CC: Vladimir Zapolskiy <vz@...ia.com>
> CC: Sylvain Lemieux <slemieux.tyco@...il.com>
> CC: Barry Song <baohua@...nel.org>
> CC: Maxime Ripard <maxime.ripard@...e-electrons.com>
> CC: Chen-Yu Tsai <wens@...e.org>
> CC: Thierry Reding <thierry.reding@...il.com>
> CC: Jonathan Hunter <jonathanh@...dia.com>
> CC: linux-tegra@...r.kernel.org
> CC: patches@...nsource.wolfsonmicro.com
> CC: "Rafael J. Wysocki" <rjw@...ysocki.net>
> CC: Pavel Machek <pavel@....cz>
> CC: Len Brown <len.brown@...el.com>
> CC: linux-pm@...r.kernel.org
>
> 1.9.1
>
--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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