linux-kernel - Re: [PATCH v2 37/44] arm,omap2: Use WFI for omap2_pm

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Message-ID: <YzKWgjNLWSmDss/h@atomide.com>
Date:   Tue, 27 Sep 2022 09:21:54 +0300
From:   Tony Lindgren <tony@...mide.com>
To:     Peter Zijlstra <peterz@...radead.org>
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Subject: Re: [PATCH v2 37/44] arm,omap2: Use WFI for omap2_pm_idle()

* Peter Zijlstra <peterz@...radead.org> [220919 10:09]:
> arch_cpu_idle() is a very simple idle interface and exposes only a
> single idle state and is expected to not require RCU and not do any
> tracing/instrumentation.
> 
> As such, omap2_pm_idle() is not a valid implementation. Replace it
> with a simple (shallow) omap2_do_wfi() call.
> 
> Omap2 doesn't have a cpuidle driver; but adding one would be the
> recourse to (re)gain the other idle states.

Looks good to me thanks:

Acked-by: Tony Lindgren <tony@...mide.com>