Re: char: legacy RTC cleanups
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- To: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
- Subject: Re: char: legacy RTC cleanups
- From: Arnd Bergmann <arnd@xxxxxxxx>
- Date: Wed, 27 Apr 2016 13:30:05 +0200
- Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Rich Felker <dalias@xxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, Koichi Yasutake <yasutake.koichi@xxxxxxxxxxxxxxxx>, Richard Henderson <rth@xxxxxxxxxxx>, Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>, alpha <linux-alpha@xxxxxxxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Alessandro Zummo <a.zummo@xxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, Parisc List <linux-parisc@xxxxxxxxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>, Linux-sh list <linux-sh@xxxxxxxxxxxxxxx>, RTCLINUX <rtc-linux@xxxxxxxxxxxxxxxx>, Linux-Arch <linux-arch@xxxxxxxxxxxxxxx>
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On Wednesday 27 April 2016 12:19:59 Geert Uytterhoeven wrote:
> >
> > Right, so we could skip patches 5 and 6, and instead remove the two
> > headers as we remove the driver. Let's see what the architecture
> > maintainers think about it, at least powerpc actually enables gen_rtc
> > in its defconfig, so it might take a while to move it over.
>
> FWIW, all PPC defconfigs (except tqm8xx.dts, which is a more recent platform)
> enabling it did that long before my old commit to enable rtc-generic support
> on PPC:
>
> commit bcd68a70cb0eee556d86d93133aa150319bd9f53
> Author: Geert Uytterhoeven <Geert.Uytterhoeven@xxxxxxxxxxx>
> Date: Thu Feb 19 16:50:46 2009 +0100
>
> powerpc: Hook up rtc-generic, and kill rtc-ppc
Ah, interesting. I have two observations about that patch:
- you were moving basically in the opposite direction that I am
trying to bring it now. ;-)
- I see now that four defconfigs (gamecube, powernv, pseries and wii)
do enable RTC_DRV_GENERIC. For some reason, ppc64_defconfig only
enables RTC_DRV_DS1307, I assume that is not intentional.
Arnd
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