linux-kernel - Re: [PATCH] fix RTC_CLASS regression with PARISC

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Date:	Mon, 8 Sep 2008 11:19:44 -0700
From:	David Brownell <david-b@...bell.net>
To:	James Bottomley <James.Bottomley@...senpartnership.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Parisc List <linux-parisc@...r.kernel.org>
Subject: Re: [PATCH] fix RTC_CLASS regression with PARISC

On Monday 08 September 2008, James Bottomley wrote:
> Put it back again by making RTC_CLASS 
> unselectable if the architecture is parisc.

Easier if those distros just wouldn't select RTC_CLASS then.  :)

And long term, better to work with RTC_CLASS.  Eliminate that
crufty asm-parisc/rtc.h file and one more GEN_RTC user; and
share more widely-used infrastructure.

If I read things right, that would be easy:  the PARISC RTC is
two firmware calls, ptc_tod_{read,set}(), which would map to
RTC class {read,set}_time() methods of about six lines each.
The RTC framework can do UIE emulation, if needed.

- Dave

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