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

From: Greg KH
Date: Mon May 04 2020 - 05:58:38 EST


On Fri, May 01, 2020 at 09:23:49PM +0100, Miguel Borges de Freitas wrote:
> Dear all,
>
> This is a request to backport b7dc7205b2ae6b6c9d9cfc3e47d6f08da8647b10
> (Arm: dts: imx6qdl-sr-som-ti: indicate powering off wifi is safe),
> already in Linus tree
> (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi?h=v5.7-rc3&id=b7dc7205b2ae6b6c9d9cfc3e47d6f08da8647b10)
> to LTS kernel 5.4 and to stable 5.6.8.
>
> Reasoning:
>
> Changes to the wlcore driver during Kernel 5.x development, made the
> Cubox-i with the IMX SOM v1.5 (which includes.a TI Wilink 8 wifi
> chipset) not power the wireless interface on boot leaving it
> completely unusable. This happens since at least kernel 5.3 (older one
> I tested) and affects the current stable and LTS latest kernels. The
> linked commit, already in linux mainline, restores the wifi
> functionality.
>
> Thanks in advance,

Now queued up, thanks.

greg k-h