linux-kernel - Re: [RFC v2 23/24] m68k/mac: Fix PRAM accessors

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Message-ID: <CAMuHMdX9BaBj4gFW4aP_t_GFsPQi_wU8-sQsUFr_A0cksr4MJQ@mail.gmail.com>
Date:	Thu, 18 Jun 2015 08:59:24 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Finn Thain <fthain@...egraphics.com.au>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Linux/m68k" <linux-m68k@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"linux-api@...r.kernel.org" <linux-api@...r.kernel.org>
Subject: Re: [RFC v2 23/24] m68k/mac: Fix PRAM accessors

Hi Finn,

On Thu, Jun 18, 2015 at 6:49 AM, Finn Thain <fthain@...egraphics.com.au> wrote:
> On Tue, 16 Jun 2015, in which I wrote:
>> On Mon, 15 Jun 2015, Geert Uytterhoeven wrote:
>> > More magic values...
>>
>> [...] The only useful RTC documentation I've ever come across is this:
>> http://mac.linux-m68k.org/devel/plushw.php
>
> This document appears to be Inside Macintosh vol. III ch. 2. It describes
> the early RTC chip that lacks two-byte operations and XPRAM, and pre-dates
> all Mac hardware supported in mainline Linux. But it does offer some
> useful data, though not enough to answer all of your criticisms (as I
> said).

I understand.

>> [...] I think they should be applied across the entire file, and in a
>> different patch. Inconsistent use of such macros would be undesirable
>> IMHO.
>
> So, unless you have other ideas, I will revise this patch and insert an
> earlier patch to address existing code, and codify what little reliable
> chip data we have.

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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
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