Re: iwm not in GENERIC kernel

From: Ngie Cooper <yaneurabeya_at_gmail.com>
Date: Thu, 2 Nov 2017 10:22:39 -0700
> On Nov 2, 2017, at 09:53, Adrian Chadd <adrian.chadd_at_gmail.com> wrote:
> 
> uuuuugh okay
> 
> So it's a chicken/egg problem.
> 
> You can't finish the device probe/attach until the firmware loads.
> 
> For iwn, you can read the chipset abilities and mac address from
> EPROM/flash on the chip without the firmware being loaded, so you can
> complete probe/attach before the root filesystem is mounted.
> 
> For iwm, you have to load the firmware before you can read the chipset
> abilities and MAC address so you can't complete probe/attach until
> AFTER the root filesystem is mounted.
> 
> If someone wants to go add all of that support in to have probe/attach
> deferred until after rootfs is available then please do so. Or, just
> support the firmware being 100% compiled in- but when I tried this the
> last time I ran out of some firmware arena size preventing other
> firmware for other chipsets from being loaded.
> 
> Otherwise this is the current hack. :)

It’s ok (better than nothing)!

Could you please write up bugs with your findings?

Thanks so much!
-Ngie
Received on Thu Nov 02 2017 - 16:22:42 UTC

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