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Re: wl18xx: NVS file handling

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Hi Tony,

On Thu, Apr 21, 2022 at 11:01 AM Yegor Yefremov
<yegorslists@xxxxxxxxxxxxxx> wrote:
>
> Hi Tony,
>
> On Thu, Apr 21, 2022 at 7:19 AM Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> >
> > Hi,
> >
> > * Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx> [220420 13:58]:
> > > Hi all,
> > >
> > > using the 5.18.x kernel, I get the following warning:
> > >
> > > wlcore: WARNING Detected unconfigured mac address in nvs, derive from
> > > fuse instead.
> > > wlcore: WARNING This default nvs file can be removed from the file system
> > >
> > > removing the /lib/firmware/ti-connectivity/wl127x-nvs.bin file, I get
> > > this warning:
> > >
> > > wl18xx_driver wl18xx.0.auto: Direct firmware load for
> > > ti-connectivity/wl1271-nvs.bin failed with error -2
> > >
> > > What's the best way to get rid of these warnings when I don't want to
> > > handle WLAN's MAC address via the wl127x-nvs.bin?
> >
> > See commit d382b9c00782 ("wlcore: add missing nvs file name info for
> > wilink8"), to me looks like the the second warning should be just removed
> > for wl18xx.
> >
> > > According to this discussion [1], NVS file is the last resort for
> > > handling the MAC address.
> > >
> > > [1] https://patchwork.kernel.org/project/linux-wireless/patch/8665E2433BC68541A24DFFCA87B70F5B363E1A3D@xxxxxxxxxxxxxxxxx/
> >
> > Yes the NVS file does not work at all for NFSroot for multiple devices.
> >
> > To me it seems we should have the option for the MAC address to be
> > populated by the bootloader for the devicetree property like Ethernet
> > adapters typically do. Not sure what that might take, maybe it
> > already works. I guess the first step would be to make the nvs file
> > completely optional for wlcore.
>
> I'll try to create a patch for making nvs file optional.
>
> P.S. a TI maintainer for wlcore would be great .... WPA3 and mesh are
> still not really there [1].
>
> [1] https://software-dl.ti.com/ecs/WiLink8/R8_8/change_log_R8_8.html

Wouldn't we need this functionality [1] to make the NVS fw file optional? :-(

[1] https://patchwork.kernel.org/project/linux-dmaengine/patch/20181112160143.4459-1-l.stach@xxxxxxxxxxxxxx/

Regards,
Yegor



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