Re: [PATCH v2 37/44] arm,omap2: Use WFI for omap2_pm_idle()
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- To: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
- Subject: Re: [PATCH v2 37/44] arm,omap2: Use WFI for omap2_pm_idle()
- From: Tony Lindgren <tony@xxxxxxxxxxx>
- Date: Tue, 27 Sep 2022 09:21:54 +0300
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- In-reply-to: <20220919101522.842219871@infradead.org>
- References: <20220919095939.761690562@infradead.org> <20220919101522.842219871@infradead.org>
* Peter Zijlstra <peterz@xxxxxxxxxxxxx> [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@xxxxxxxxxxx>
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