From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: when will irq parameter in struct pci_dev be used
Date: Tue, 01 Dec 2015 10:48:32 +0100 [thread overview]
Message-ID: <2760658.czteIK1m3n@wuerfel> (raw)
In-Reply-To: <loom.20151201T062147-753@post.gmane.org>
On Tuesday 01 December 2015 05:30:45 bharat kumar gogada wrote:
> Hi, In arm64 when will the 'irq' parameter in struct pci_dev will be used in
> kernel, how it will be used in legacy interrupts and how it will be used in
> MSI interrupts, when we have MSI domains.
The number is initialized with whatever legacy interrupt you list in
the interrupt-map property of the PCI host device node for this device,
and drivers are supposed to use it from there.
For MSI, see Documentation/PCI/MSI-HOWTO.txt
Arnd
next prev parent reply other threads:[~2015-12-01 9:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-01 5:30 when will irq parameter in struct pci_dev be used bharat kumar gogada
2015-12-01 9:48 ` Arnd Bergmann [this message]
2015-12-01 10:03 ` Bharat Kumar Gogada
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