linux-kernel - Re: nvram and generic_nvram modules are problematic, was Re: [PATCH] arch: m68k: mac: misc.c: Remove some unused functions

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Message-ID: <CAMuHMdXcV8nxCvhMDZ3WRrWKXxxjR6d8Uf8gp5w9NUTkyTNTjg@mail.gmail.com>
Date:	Sun, 1 Feb 2015 10:11:59 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Finn Thain <fthain@...egraphics.com.au>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	linux-m68k <linux-m68k@...ts.linux-m68k.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: nvram and generic_nvram modules are problematic, was Re: [PATCH]
 arch: m68k: mac: misc.c: Remove some unused functions

On Sun, Feb 1, 2015 at 4:39 AM, Finn Thain <fthain@...egraphics.com.au> wrote:
> On Sun, 4 Jan 2015, Geert Uytterhoeven wrote:
>
>> On Sun, Jan 4, 2015 at 8:21 AM, Finn Thain <fthain@...egraphics.com.au> wrote:
>> > On Thu, 1 Jan 2015, Rickard Strandqvist wrote:
>> > > Removes some functions that are not used anywhere:
>> > > mac_pram_write() mac_pram_read()
>> >
>> > ... I'd rather not remove all of this code. Better to finish the
>> > implementation.
>>
>> Indeed.
>>
>> > Would it be acceptable to utilize drivers/char/generic_nvram.c and
>> > CONFIG_GENERIC_NVRAM? This is the PowerMac PRAM driver but looks
>> > generic enough that it may not need any modification for 68k Macs.
>>
>> Yes, that would be great.
>>
>
> Unfortunately, it seems to be unworkable.

An alternative could be to just provide an nvram attribute file in sysfs,
like many RTC drivers do.

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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