Re: How to "register" a GSI for a non PCI non ISA device

[Guillaume Knispel]

On Thu, 26 Jan 2012 10:24:31 -0700
Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:

> A driver should never need to use acpi_register_gsi() directly.  It
> sounds like you have a non-PCI device that would be described as an
> ACPI device in the DSDT.  In the Device definition, you include a _CRS
> method that tells the kernel what GSI it is using.  The PNPACPI
> subsystem will parse _CRS and should do the acpi_register_gsi() for
> you.  Then your driver would use pnp_register_driver() and pnp_irq()
> to learn the IRQ.  drivers/tty/serial/8250_pnp.c is an example.

Thanks a lot, I'll look into it.

-- 
Guillaume Knispel
Avencall - 10 bis, rue Lucien Voilin - 92800 Puteaux
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