[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <20120126183041.15474705@xilun>
Date: Thu, 26 Jan 2012 18:30:41 +0100
From: Guillaume Knispel <gknispel@...formatique.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Guillaume Knispel <gknispel@...formatique.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Len Brown <lenb@...nel.org>, linux-kernel@...r.kernel.org,
linux-acpi@...r.kernel.org,
Xavier Carcelle <xcarcelle@...ncall.com>,
NoƩ Rubinstein <nrubinstein@...ncall.com>
Subject: Re: How to "register" a GSI for a non PCI non ISA device
On Thu, 26 Jan 2012 10:24:31 -0700
Bjorn Helgaas <bhelgaas@...gle.com> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists