linux-image-4.19.0-5-marvell - TS-219 RTC issue with Debian Buster

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From	Oliver Hartkopp <socketcan@hartkopp.net>
Newsgroups	linux.debian.kernel
Subject	linux-image-4.19.0-5-marvell - TS-219 RTC issue with Debian Buster
Date	Tue, 23 Jul 2019 22:20:02 +0200
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Hi Debian Kernel Team,

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?

Thanks & best regards,
Oliver

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linux-image-4.19.0-5-marvell - TS-219 RTC issue with Debian Buster Oliver Hartkopp <socketcan@hartkopp.net> - 2019-07-23 22:20 +0200

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