linux-kernel - Re: [PATCH v2 1/2] powerpc: Add helpers for LPCR PECE1 operations

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Message-ID: <1421982392.24984.9.camel@ellerman.id.au>
Date:	Fri, 23 Jan 2015 14:06:32 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	"Shreyas B. Prabhu" <shreyas@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2 1/2] powerpc: Add helpers for LPCR PECE1 operations

On Mon, 2015-01-19 at 13:35 +0530, Shreyas B. Prabhu wrote:
> PECE1 bit in LPCR is used to control whether decrementer can cause exit
> from powersaving states. PECE1 bit is cleared before entering fastsleep
> or deeper powersaving state and it is set on waking up. Since both
> cpuidle and cpu offline operations use these powersaving states, add
> helper functions to be used in both these places.

Thanks.

That isn't really much clearer than the original, so in the end I just merged
your original fix.

I'll think if there's a bigger consolidation we can do that makes it clearer.

cheers

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