[PATCH 00/51] rtc: stop using rtc deprecated functions

Alexandre Belloni alexandre.belloni at free-electrons.com
Tue Jun 20 03:03:48 PDT 2017


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 at lists.sourceforge.net
> CC: Alessandro Zummo <a.zummo at towertech.it>
> CC: Alexandre Belloni <alexandre.belloni at free-electrons.com>
> CC: Gregory Clement <gregory.clement at free-electrons.com>
> CC: Ingo Molnar <mingo at redhat.com>
> CC: Jason Cooper <jason at lakedaemon.net>
> CC: John Stultz <john.stultz at linaro.org>
> CC: linux-arm-kernel at lists.infradead.org
> CC: linux-kernel at vger.kernel.org
> CC: Linus Walleij <linus.walleij at linaro.org>
> CC: Michael Chan <michael.chan at broadcom.com>
> CC: netdev at vger.kernel.org
> CC: rtc-linux at googlegroups.com
> CC: Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com>
> CC: Support Opensource <support.opensource at diasemi.com>
> CC: Thomas Gleixner <tglx at linutronix.de>
> CC: x86 at kernel.org
> CC: Baruch Siach <baruch at tkos.co.il>
> CC: Hans Ulli Kroll <ulli.kroll at googlemail.com>
> CC: Vladimir Zapolskiy <vz at mleia.com>
> CC: Sylvain Lemieux <slemieux.tyco at gmail.com>
> CC: Barry Song <baohua at kernel.org>
> CC: Maxime Ripard <maxime.ripard at free-electrons.com>
> CC: Chen-Yu Tsai <wens at csie.org>
> CC: Thierry Reding <thierry.reding at gmail.com>
> CC: Jonathan Hunter <jonathanh at nvidia.com>
> CC: linux-tegra at vger.kernel.org
> CC: patches at opensource.wolfsonmicro.com
> CC: "Rafael J. Wysocki" <rjw at rjwysocki.net>
> CC: Pavel Machek <pavel at ucw.cz>
> CC: Len Brown <len.brown at intel.com>
> CC: linux-pm at vger.kernel.org
> 
> 1.9.1
> 

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com



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