linux-kernel - Re: [patch] x86 BIOS interface for RTC on SGI UV

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Message-ID: <4875320D.2070306@keyaccess.nl>
Date:	Wed, 09 Jul 2008 23:47:57 +0200
From:	Rene Herman <rene.herman@...access.nl>
To:	Russ Anderson <rja@....com>
CC:	mingo@...e.hu, tglx@...utronix.de, linux-kernel@...r.kernel.org,
	Jack Steiner <steiner@....com>
Subject: Re: [patch] x86 BIOS interface for RTC on SGI UV

On 09-07-08 23:36, Russ Anderson wrote:

>> ... and wouldn't uv_bios_strerror/uv_bios_freq_base be better names?
> 
> The plan is for both x86 and ia64 versions of uv, with this being
> the x86 version.  The ia64 version has ia64_sal_strerror()
> and ia64_sal_freq_base().  Hence the x86_bios_* naming convention.
> I'm not strongly tied to that convention, it just seemed logical.

Ah, I see. Not much of an opinion then. x86_bios sounds a bit generic, 
but whatever...

> Here is the updated patch.

[ ... ]

> +enum {
> +	BIOS_STATUS_SUCCESS		=  0,
> +	BIOS_STATUS_UNIMPLEMENTED	= -1,
> +	BIOS_STATUS_EINVAL		= -2,
> +	BIOS_STATUS_ERROR		= -3
> +};

[ .. ]

> +extern long
> +x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second,
> +		   unsigned long *drift_info);

> +static __init void uv_rtc_init(void)
> +{
> +	unsigned long status, ticks_per_sec, drift;

*status* should remain a long :-)

Rene.
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