On Mon, 05 Sep 2011 03:08:17 +0100 Ben Hutchings <b...@decadent.org.uk> wrote:
> On Mon, 2011-09-05 at 02:13 +0100, Ben Hutchings wrote:
> [...]
> > These files have different contents:
> > - sd8686.bin
> > - sd8686_helper.bin
>
> linux-firmware has these files:
>
> a1f38d4f36871597530d645752e0b2cb libertas/sd8686_v8.bin
> 6edc7f5032463c294eb1b738482f734d libertas/sd8686_v8_helper.bin
> 20208583d441d1ecd7a05d5e5cda5856 libertas/sd8686_v9.bin
> 2a4d8f4df198ce949c350df5674f4ac6 libertas/sd8686_v9_helper.bin
>
> The last of these matches sd8686_helper.bin in linux-firmware.
>
> I symlinked sd8686{,_helper}.bin to the v8 files, assuming that old
> drivers using those file names would not work with v9. But that seems
> to be wrong - in which case, do the v8 files have any use?
>
The sd8686_sdio driver does list the v8 bin in its load list. In
theory, the drivers should know what to load; I'm not sure why you need
to symlink anything..
> > - usb8388.bin
>
> linux-firmware has these files:
>
> 5e38f55719df3d0c58dd3bd02575a09c libertas/usb8388_olpc.bin
> d288445f1fe8cbb14df0aebc6ce1d71f libertas/usb8388_v5.bin
> c6f0fb161af32228b59478d381293426 libertas/usb8388_v9.bin
>
> The first of these matches usb8388.bin in libertas-firmware
> (v5.110.22.p23). But the mainline driver won't use the filename
> libertas/usb8388_olpc.bin unless explicitly configured to do so.
>
Correct. I have a pending patch
(https://patchwork.kernel.org/patch/1037112/) that should be slated for
inclusion in the next merge window.. Although with master currently
down, I have no idea what its current status is. Sigh.
> I symlinked usb8388.bin to libertas/usb8388_v5.bin.
>
> > These files are not included (and were not referenced by any
> > version of the mainline drivers):
> > - lbtf_usb.bin
> > - sd8682.bin
> > - sd8682_helper.bin
> [...]
>
> linux-firmware does actually have these files, but as I said they
> aren't referenced.
lbtf_usb.bin is used by the libertas_tf drivers; specifically,
libertas_tf_usb. Debian kernels have that driver as a module in the
486 kernel image.
>
> Ben.
>
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