linux-kernel - Re: [patch] provide rtc

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Date:	Thu, 22 May 2008 23:05:02 +0400
From:	Stas Sergeev <stsp@...et.ru>
To:	dbrownell@...rs.sourceforge.net
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] provide rtc_cmos platform device

Hello.

David, please CC me the replies.

David Brownell wrote:
> Well, "regression" is the wrong phrase. You've switched
> drivers (from the legacy RTC to the new one), so this is
> not the thing which worked for you before.
I am not sure how could that happen.
I am always just taking an old kernel
config and never change the options
that are not supposed to be changed.
Was the old RTC driver removed by any
chance?

>> This may also help running the
>> PNP-enabled kernel on an older PCs.
> As in, pre-PNP. That's pretty darn old!
But... I think they should still be
supported, unless it is too difficult.

> (1) On an ARM build (with no PNP configured):
OK, but unfortunately I can't help
with that. I won't touch any non-x86
arch code, so I'll simply go for
the #ifdef here, or someone else
should make the patch instead. :)

> You shouldn't define those symbols; the right values are already
> defined in <asm/mc146818rtc.h>. RTC_PORT(0) and RTC_PORT(1) are
> the symbolss to use; RTC_IRQ is already defined. All this stuff
> is used in the <asm-generic/rtc.h> code ...
OK, thanks.
I'll update the patch, in todo for
the week-end.
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