Connecting to "PCI command write" interrupt on 4xx platforms

Matthias Fuchs matthias.fuchs at esd-electronics.com
Tue Nov 4 22:17:04 EST 2008


On Tuesday 04 November 2008 07:16, Benjamin Herrenschmidt wrote:
> > It is device_type for PCIe right now, I'm afraid. This was what we agreed 
> > upon. Here a code sniplet from the patch:
> > 
> > 	/* Check if device_type property is set to "pci" or "pci-endpoint".
> > 	 * Resulting from this setup this PCIe port will be configured
> > 	 * as root-complex or as endpoint.
> > 	 */
> > 	val = of_get_property(port->node, "device_type", NULL);
> > 	if (!strcmp(val, "pci-endpoint")) {
> > 		port->endpoint = 1;
> > 	} else if (!strcmp(val, "pci")) {
> > 		port->endpoint = 0;
> > 	} else {
> > 		printk(KERN_ERR "PCIE: missing or incorrect device_type for %s\n",
> > 		       np->full_name);
> > 		return;
> > 	}
> 
> Allright, that was a bad idea from both of us, David will have my
> skin ...
> 
> We should try to move toward something like an "endpoint" property and a
> "pci-endpoint" name instead.
I must admit that I am not sure what you mean by (pci-endpoint) _name_.
Do you mean something like this:
 
        PCI: pci at abc {
                endpoint = "pci-endpoint";
                ...

To many "endpoint" appearances for my taste:-)

Matthias



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