From: Sebastian Andrzej Siewior Date: Tue, 22 Feb 2011 20:07:42 +0000 (+0100) Subject: x86: dtb: Add support for PCI devices backed by dtb nodes X-Git-Tag: v2.6.39-rc1~498^2~9 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96e0a0797eba35b5420c710b928f19094b2d5c45;p=pandora-kernel.git x86: dtb: Add support for PCI devices backed by dtb nodes x86_of_pci_init() does two things: - it provides a generic irq enable and disable function. enable queries the device tree for the interrupt information, calls ->xlate on the irq host and updates the pci->irq information for the device. - it walks through PCI bus(es) in the device tree and adds its children (device) nodes to appropriate pci_dev nodes in kernel. So the dtb node information is available at probe time of the PCI device. Adding a PCI bus based on the information in the device tree is currently not supported. Right now direct access via ioports is used. Signed-off-by: Sebastian Andrzej Siewior Tested-by: Dirk Brandewie Acked-by: Grant Likely Cc: sodaville@linutronix.de Cc: devicetree-discuss@lists.ozlabs.org LKML-Reference: <1298405266-1624-8-git-send-email-bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner --- Reading git-diff-tree failed