Larry Finger wrote:
Matthieu CASTET wrote:
what's the difference between b43 and b43legacy ?
>From a first point a view, it seems b43 is for core >= 5 and b43legacy for the
other.
There is also firmware difference : b43 need v4 and b43legacy need v3.
The firmware difference is the primary one.
But v4 firmware seems to support core 4 (pcm4 & ucode4) and b43 code got some
support for old chips (<5).
The Broadcom V4 drivers do have core 4 firmware embedded in them and it is
extracted by b43-fwcutter; however, b43 will _NOT_ work with core 4 chips. The
firmware loader will only find firmware for core 5 and later.
Ok but what prevent b43 to support core 4 chip with v4 firmware like the
broadcom driver does ?
I am aware that the current driver doesn't support it, but what are the
missing part to support it ?
If it is the difference from core4 from newer chip, why b43legacy
contains only few special case for core4 chip.
I suspect that any residual code for older chips left in b43 was missed. If you
want to prepare patches to remove such code, please do.
Yes, I could prepare such patches
Thanks
Matthieu
PS : I don't have core 4 chip nor plan to get some, I ask this out of
curiosity.
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