d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Handle multiple "gpio-leds"-compatible nodes

Browse Source 
There are cases when gpioled nodes in DTS come from different sources
(e.g. standard Beaglebone Black LEDs in main DTS + shield LEDs in
overlay DTS) so instead of handling only first compatible node go
through all child nodes
This commit is contained in:
Oleksandr Tymoshenko 2015-04-02 02:43:48 +00:00
parent b810920913
commit 076562d0a9
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
sys/dev/gpio/gpioled.c
View File

@ -106,15 +106,16 @@ gpioled_identify(driver_t *driver, device_t bus)
root = OF_finddevice("/");
if (root == 0)
return;
leds = fdt_find_compatible(root, "gpio-leds", 1);
if (leds == 0)
return;
/* Traverse the 'gpio-leds' node and add its children. */
for (child = OF_child(leds); child != 0; child = OF_peer(child)) {
if (!OF_hasprop(child, "gpios"))
continue;
if (ofw_gpiobus_add_fdt_child(bus, driver->name, child) == NULL)
for (leds = OF_child(root); leds != 0; leds = OF_peer(leds)) {
if (!fdt_is_compatible_strict(leds, "gpio-leds"))
continue;
/* Traverse the 'gpio-leds' node and add its children. */
for (child = OF_child(leds); child != 0; child = OF_peer(child)) {
if (!OF_hasprop(child, "gpios"))
continue;
if (ofw_gpiobus_add_fdt_child(bus, driver->name, child) == NULL)
continue;
}
}
}
#endif