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Bug#932845: TS-219 RTC issue with Debian Buster

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Hello Oliver,

On Tue, Jul 23, 2019 at 10:28:18PM +0200, Oliver Hartkopp wrote:
> I'm running a TS-119P+ and a TS-219P II Qnap NAS with Debian Buster.
> Both are now running a linux-image-4.19.0-5-marvell kernel.
> 
> But since my update from Linux 4.9 (Stretch) to Linux 4.19 (Buster) the
> hardware clock of both boxes refuse to work.
> 
> After some digging in kernel sources and re-installing Linux 4.9 on my
> Buster setup it turns out, that a change in the kernel config causes the
> problem:
> 
> 4.19.0-5-marvell -> CONFIG_RTC_DRV_S35390A=m   (fails)
> 
> 4.9.0-4-marvell -> CONFIG_RTC_DRV_S35390A=y    (works)
> 
> See details and solving process at:
> 
> https://marc.info/?l=linux-arm-kernel&m=156390875629259&w=2
> 
> Can you please revert the Kernel config parts for the RTC in a way that the
> RTC drivers are built into the marvell-arch kernel again instead of building
> them as modules?

They were switched to modules because the kernel image got too big to
fit into the flash storage of some machines. I assume when we switch to
built-in again the resulting problem is the bigger one.
 
> As described in the referenced description the hwclock tool does not work on
> the machines.

I'm not sure yet if this is a problem in hwclock() or the s35390a
driver.

Best regards
Uwe

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Bug#932845: TS-219 RTC issue with Debian Buster Oliver Hartkopp <socketcan@hartkopp.net> - 2019-07-23 22:40 +0200
  Bug#932845: TS-219 RTC issue with Debian Buster Uwe Kleine-König <uwe@kleine-koenig.org> - 2019-07-24 09:20 +0200
    Bug#932845: TS-219 RTC issue with Debian Buster Oliver Hartkopp <socketcan@hartkopp.net> - 2019-07-25 16:50 +0200
      Bug#932845: TS-219 RTC issue with Debian Buster Uwe Kleine-König <u.kleine-koenig@pengutronix.de> - 2019-07-26 09:50 +0200
        Bug#932845: TS-219 RTC issue with Debian Buster Oliver Hartkopp <socketcan@hartkopp.net> - 2019-07-26 11:40 +0200
          Bug#932845: TS-219 RTC issue with Debian Buster Alexandre Belloni <alexandre.belloni@bootlin.com> - 2019-07-26 11:50 +0200
            Bug#932845: TS-219 RTC issue with Debian Buster Oliver Hartkopp <socketcan@hartkopp.net> - 2019-07-26 12:40 +0200
              Bug#932845: TS-219 RTC issue with Debian Buster Oliver Hartkopp <socketcan@hartkopp.net> - 2019-07-26 13:00 +0200
  Bug#932845: TS-219 RTC issue with Debian Buster Oliver Hartkopp <socketcan@hartkopp.net> - 2019-07-26 21:20 +0200
  Bug#932845: TS-219 RTC issue with Debian Buster Uwe Kleine-König <u.kleine-koenig@pengutronix.de> - 2019-07-28 21:50 +0200
    Bug#932845: TS-219 RTC issue with Debian Buster Oliver Hartkopp <socketcan@hartkopp.net> - 2019-07-29 08:30 +0200
  Processed: Re: Bug#932845: TS-219 RTC issue with Debian Buster "Debian Bug Tracking System" <owner@bugs.debian.org> - 2019-07-28 21:50 +0200

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