From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [EXTERNAL] Re: [PATCH] wlcore: Fix bringing up wlan0 again if powered down briefly Date: Mon, 7 Jan 2019 07:18:49 -0800 Message-ID: <20190107151849.GC5544@atomide.com> References: <20181217164207.20081-1-tony@atomide.com> <20181218155439.GB6707@atomide.com> <20181220231401.GG6707@atomide.com> <20181223160226.GK6707@atomide.com> <20181228195903.GX6707@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ulf Hansson Cc: "Reizer, Eyal" , Kalle Valo , KISHON VIJAY ABRAHAM , "Mishol, Guy" , "linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , linux-omap , Anders Roxell , John Stultz , Ricardo Salveti List-Id: linux-omap@vger.kernel.org * Ulf Hansson [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