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Show First 20 Lines • Show All 79 Lines • ▼ Show 20 Lines	owc_gpiobus_identify(driver_t *driver, device_t bus)
* Find all the 1-wire bus pseudo-nodes that are		* Find all the 1-wire bus pseudo-nodes that are
* at the top level of the FDT. Would be nice to		* at the top level of the FDT. Would be nice to
* somehow preserve the node name of these busses,		* somehow preserve the node name of these busses,
* but there's no good place to put it. The driver's		* but there's no good place to put it. The driver's
* name is used for the device name, and the 1-wire		* name is used for the device name, and the 1-wire
* bus overwrites the description.		* bus overwrites the description.
*/		*/
root = OF_finddevice("/");		root = OF_finddevice("/");
if (root == 0)		if (root == -1)
return;		return;
for (w1 = OF_child(root); w1 != 0; w1 = OF_peer(w1)) {		for (w1 = OF_child(root); w1 != 0; w1 = OF_peer(w1)) {
if (!fdt_is_compatible_strict(w1, "w1-gpio"))		if (!fdt_is_compatible_strict(w1, "w1-gpio"))
continue;		continue;
if (!OF_hasprop(w1, "gpios"))		if (!OF_hasprop(w1, "gpios"))
continue;		continue;
ofw_gpiobus_add_fdt_child(bus, driver->name, w1);		ofw_gpiobus_add_fdt_child(bus, driver->name, w1);
}		}
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