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Date:   Mon, 7 Jan 2019 07:18:49 -0800
From:   Tony Lindgren <tony@atomide.com>
To:     Ulf Hansson <ulf.hansson@linaro.org>
Cc:     "Reizer, Eyal" <eyalr@ti.com>, Kalle Valo <kvalo@codeaurora.org>,
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        Anders Roxell <anders.roxell@linaro.org>,
        John Stultz <john.stultz@linaro.org>,
        Ricardo Salveti <rsalveti@rsalveti.net>
Subject: Re: [EXTERNAL] Re: [PATCH] wlcore: Fix bringing up wlan0 again if
 powered down briefly
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* Ulf Hansson <ulf.hansson@linaro.org> [190102 12:02]:
>
> However, if this is about an out-of-band IRQ line, instead of using
> the SDIO IRQs on DAT1, I think management of that, belongs in the wlan
> (or gpiochip) layers.

Yes this can be handled at the gpiochip layer.

> We have to distinguish if "down" has a strict requirement to power off
> the wlan-chip.
> 
> For example, in "flight mode", is it okay to leave the wlan chip
> powered on and thus potentially also having its radio part active?

I don't know. If unsure, we should at least have that possibility
available for future versions if needed. It might also help a bit
with PM measurements :)

Regards,

Tony