Re: [PATCH v1 3/7] PCI: New Primary to Sideband (P2SB) bridge support library

From: Enrico Weigelt, metux IT consult
Date: Fri Apr 02 2021 - 09:09:49 EST


On 09.03.21 09:42, Henning Schild wrote:

The device will respond to MMIO while being hidden. I am afraid nothing
stops a collision, except for the assumption that the BIOS is always
right and PCI devices never get remapped. But just guessing here.

What could go wrong if it is remapped, except that this driver would
write to the wrong mmio space ?

If it's unhidden, pci-core should see it and start the usual probing,
right ?


--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
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