Re: [PATCH] ARM: dts: imx6qdl-sr-som-ti: indicate powering off wifi is safe

From: Fabio Estevam <festevam@gmail.com>
To: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	NXP Linux Team <linux-imx@nxp.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] ARM: dts: imx6qdl-sr-som-ti: indicate powering off wifi is safe
Date: Thu, 27 Feb 2020 12:28:42 -0300	[thread overview]
Message-ID: <CAOMZO5BJdpow6zLapGd3jvx2UZbviW44dqzH5H_RKc9kCrFsCA@mail.gmail.com> (raw)
In-Reply-To: <20200227151738.GM25745@shell.armlinux.org.uk>

On Thu, Feb 27, 2020 at 12:17 PM Russell King - ARM Linux admin
<linux@armlinux.org.uk> wrote:

> Jon says:
>
> "It was changes to the mmc power handling.  Basically telling the
> controller that the card should be able to wake it up from a sleep
> state.
>
> "I think it has to do with the runtime PM addition.  This was added
> to the TI driver in commit, 9b71578de08748defb3bcae3ce8ed1a75cb6a8d7
> I don't know if that is what broke it, but that was the initial
> integration.
>
> "That was added after changes to the MMC layer were done I believe."
>
> Jon thinks the idea for fixing it came from a post on one of the
> mailing lists, but is unable to find it now.
>
> So, I think the cause is now lost in the mists of time.

Ok, thanks for checking:

Reviewed-by: Fabio Estevam <festevam@gmail.com>