Mounting sysfs early

[Will Newton]

Hi all,

I currently have a problem with a driver that loads firmware from
userland. The boot process happens in this order:

1. Extract initramfs
2. Load drivers
3. Run init

Unfortunately it appears that step 2 is calling the hotplug helper
which tries to load firmware via sysfs, but sysfs is not mounted until
I have run init so the driver fails to initialise. What is the
recommended way to avoid this situation? Do I have to somehow build
the firmware into the kernel or can I get sysfs mounted before drivers
begin loading?

Thanks,
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