From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Tony Luck <tony.luck@intel.com>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
Helge Deller <deller@gmx.de>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Rich Felker <dalias@libc.org>,
David Howells <dhowells@redhat.com>,
Koichi Yasutake <yasutake.koichi@jp.panasonic.com>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
alpha <linux-alpha@vger.kernel.org>,
"the arch/x86 maintainers" <x86@kernel.org>,
Alessandro Zummo <a.zummo@towertech.it>,
Alexandre Belloni <alexandre.belloni@free-electrons.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
Parisc List <linux-parisc@vger.kernel.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
Linux-sh list <linux-sh@vger.kernel.org>,
RTCLINUX <rtc-linux@googlegroups.com>,
Linux-Arch <linux-arch@vger.kernel.org>
Subject: Re: char: legacy RTC cleanups
Date: Wed, 27 Apr 2016 10:41:02 +0200 [thread overview]
Message-ID: <CAMuHMdU8WGkosaC7wK8Jp9D7DGjUjBEHURYkp9GppTz2wxRe_A@mail.gmail.com> (raw)
In-Reply-To: <6883809.SRgmlLMdyd@wuerfel>
Hi Arnd,
On Wed, Apr 27, 2016 at 10:33 AM, Arnd Bergmann <arnd@arndb.de> wrote:
> On Wednesday 27 April 2016 09:54:41 Geert Uytterhoeven wrote:
>> On Tue, Apr 26, 2016 at 11:44 PM, Arnd Bergmann <arnd@arndb.de> wrote:
>> > For the genrtc driver, rearranging the headers makes it simpler
>> > to use and reduces duplication. In case of alpha and mn10300,
>> > I've shown that the genrtc and rtc drivers are doing the same
>> > thing, so we don't need them both. The remaining three
>> > architectures (m68k, parisc, powerpc) actually all support
>> > the newer rtc-generic driver, so we could remove genrtc completely
>> > if we want to.
>>
>> CONFIG_GEN_RTC is not enabled in any of the m68k defconfigs, so I think genrtc
>> has been unused for a while.
>> All defconfigs either use CONFIG_RTC_DRV_GENERIC, or enable a more specific
>> RTC driver.
>
> Ok, good to know. I'm guessing the same is true for parisc, but there are
> also very few users.
>
> Regarding the Q40 specific ioctls, what do you think this means, is it
>
> a) nobody uses Q40 with modern kernels,
> b) nobody calls RTC_PLL_GET/RTC_PLL_SET on q40, or
> c) Q40 users have their own configurations and enable GEN_RTC?
To be honest, I have no idea. There have never been many Q40 users.
(old) http://www.linux-m68k.org/Registry/Statistics.html shows only 8.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2016-04-27 8:41 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-26 21:44 char: legacy RTC cleanups Arnd Bergmann
2016-04-26 21:44 ` [PATCH 1/8] char/rtc: replace blacklist with whitelist Arnd Bergmann
2016-04-27 8:31 ` Alexandre Belloni
2016-04-26 21:44 ` [PATCH 2/8] char/rtc: legacy RTC is no longer supported on x86 Arnd Bergmann
2016-04-27 8:35 ` Alexandre Belloni
2016-04-27 10:05 ` Thomas Gleixner
2016-04-26 21:44 ` [PATCH 3/8] char/rtc: remove empty asm/mc146818rtc.h files Arnd Bergmann
2016-04-27 8:41 ` Alexandre Belloni
2016-04-26 21:44 ` [PATCH 4/8] char/rtc: move mc146818rtc code out of asm-generic/rtc.h Arnd Bergmann
2016-04-27 9:29 ` Alexandre Belloni
2016-04-27 9:59 ` Arnd Bergmann
2016-04-26 21:44 ` [PATCH 5/8] char/genrtc: powerpc: use asm-generic/rtc.h Arnd Bergmann
2016-04-26 21:44 ` [PATCH 6/8] char/genrtc: parisc: " Arnd Bergmann
2016-04-26 22:07 ` Rolf Eike Beer
2016-04-27 11:21 ` Arnd Bergmann
2016-04-27 11:35 ` Arnd Bergmann
2016-04-27 11:55 ` Geert Uytterhoeven
2016-04-27 12:44 ` Arnd Bergmann
2016-04-26 21:44 ` [PATCH 7/8] char/genrtc: disallow building on Alpha Arnd Bergmann
2016-04-26 21:44 ` [PATCH 8/8] char/genrtc: disallow building on mn10300 Arnd Bergmann
2016-04-27 7:54 ` char: legacy RTC cleanups Geert Uytterhoeven
2016-04-27 8:33 ` Arnd Bergmann
2016-04-27 8:41 ` Geert Uytterhoeven [this message]
2016-04-27 9:44 ` Alexandre Belloni
2016-04-27 10:07 ` Arnd Bergmann
2016-04-27 10:19 ` Geert Uytterhoeven
2016-04-27 11:30 ` Arnd Bergmann
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