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From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Fabio Estevam <festevam@gmail.com>
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 13:45:39 +0000	[thread overview]
Message-ID: <20200227134538.GK25745@shell.armlinux.org.uk> (raw)
In-Reply-To: <CAOMZO5A6os4myE41ZLBvW639bjRudg8Tax4yBa5JOyY5+oJW+g@mail.gmail.com>

On Thu, Feb 27, 2020 at 09:57:40AM -0300, Fabio Estevam wrote:
> Hi Russell,
> 
> On Thu, Feb 27, 2020 at 9:19 AM Russell King <rmk+kernel@armlinux.org.uk> wrote:
> >
> > We need to indicate that powering off the TI WiFi is safe, to avoid:
> >
> > wl18xx_driver wl18xx.2.auto: Unbalanced pm_runtime_enable!
> > wl1271_sdio mmc0:0001:2: wl12xx_sdio_power_on: failed to get_sync(-13)
> >
> > which prevents the WiFi being functional.
> >
> > Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
> 
> Shouldn't this have a Fixes tag so that it can be backported to stable kernels?

If I knew where the breakage happened and what commit was responsible
for it, then yes - but it used to work with earlier kernels (I don't
know which) and at some point it broke.

The suggestion for how to fix it came from Jon Nettleton.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
According to speedtest.net: 11.9Mbps down 500kbps up

  reply	other threads:[~2020-02-27 13:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-27 12:18 [PATCH] ARM: dts: imx6qdl-sr-som-ti: indicate powering off wifi is safe Russell King
2020-02-27 12:57 ` Fabio Estevam
2020-02-27 13:45   ` Russell King - ARM Linux admin [this message]
2020-02-27 15:17     ` Russell King - ARM Linux admin
2020-02-27 15:28       ` Fabio Estevam
2020-03-11  7:46 ` Shawn Guo

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