* Reservation of resources shared by two PCI devices
@ 2009-08-16 15:04 Krzysztof Halasa
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From: Krzysztof Halasa @ 2009-08-16 15:04 UTC (permalink / raw)
To: linux-kernel
Hi,
I have a PCI card with a bridge and two devices behind it.
There is a custom circuitry connected to the first PCI device,
controlling operation of both devices.
The IO and possibly MMIO resources used for controlling the custom
circuitry (part of device #0 registers) are not used for other purposes.
Access is controlled by a spin lock.
What's the best way to handle IO/MMIO resource reservations of this
shared part of device #0?
Should I switch away from pci_register_driver()?
--
Krzysztof Halasa
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