Re: [PATCH] For test only: pmac_zilog fixes (cups lockup at boot):

[Benjamin Herrenschmidt]

> Yes, I know - but the point is its impossible to review, and I think
> you at least have an extra level of locking which isn't needed.
> 
> But I wouldn't know because of the huge number of changes which make
> it impossible to read.

That semaphore locking is only used to guard open/close against the
power management callback. It greatly simplify the deal with the shared
irq (the irq is shared between both ports). It's not used during
normal operations.

Ben.


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