linux-kernel - RE: [v2] wlcore: add missing nvs file name info for wilink8

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Date:   Tue, 4 Jul 2017 08:47:48 +0000
From:   "Reizer, Eyal" <eyalr@...com>
To:     Tony Lindgren <tony@...mide.com>
CC:     Kalle Valo <kvalo@...eaurora.org>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [v2] wlcore: add missing nvs file name info for wilink8

Hi Tony,

> > When working with wl18xx the nvs file is used for defining an alternate
> > mac address and override the default mac address that is stored inside
> > the wl18xx chip.
> >
> > The following commits:
> > c815fde wlcore: spi: Populate config firmware data
> > d776fc8 wlcore: sdio: Populate config firmware data
> >
> > Populated the nvs entry for wilink6 and wilink7 only while it is
> > still needed for wilink8 as well.
> > This broke user space backward compatibility when upgrading from older
> > kernels, as the alternate mac address would not be read from the nvs that is
> > already present in the file system (lib/firmware/ti-connectivity/wl1271-
> nvs.bin)
> > causing mac address change of the wlan interface.
> >
> > This patch fix this and update the structure field with the same default nvs
> file
> > name that has been used before.
> 
> I think more checks on the nvs file being used are needed to avoid other
> nasty issues, see the comments I just made in the earlier version of this
> patch.
> 
Just replied on your comments for v1

Best Regards,
Eyal