linux-kernel - Re: [PATCH, resend] x86: enable rtc-efi

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Message-ID: <20120515131637.GA26038@srcf.ucam.org>
Date:	Tue, 15 May 2012 14:16:37 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Jan Beulich <JBeulich@...e.com>
Cc:	dannf@...nf.org, mingo@...e.hu, tglx@...utronix.de,
	matt.fleming@...ux.intel.com, linux-kernel@...r.kernel.org,
	hpa@...or.com
Subject: Re: [PATCH, resend] x86: enable rtc-efi

On Tue, May 15, 2012 at 02:08:54PM +0100, Jan Beulich wrote:

> So how is this driver okay on ia64 then? It's my understanding
> that either it's entirely broken, or should be used universally.
> That's the more that accessing the RTC directly isn't really being
> permitted by the EFI spec (i.e. using this driver really is a
> requirement, not an option).

ia64 is basically never dual booted. If there's an RTC in the ACPI 
tables then it's completely valid to use the legacy RTC.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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