powerpc/powernv: Create LED platform device
This patch adds platform devices for leds. Also export LED related
OPAL API's so that led driver can use these APIs.
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index a2b53f2..230f3a7 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -683,7 +683,7 @@
static int __init opal_init(void)
{
- struct device_node *np, *consoles;
+ struct device_node *np, *consoles, *leds;
int rc;
opal_node = of_find_node_by_path("/ibm,opal");
@@ -724,6 +724,13 @@
/* Setup a heatbeat thread if requested by OPAL */
opal_init_heartbeat();
+ /* Create leds platform devices */
+ leds = of_find_node_by_path("/ibm,opal/leds");
+ if (leds) {
+ of_platform_device_create(leds, "opal_leds", NULL);
+ of_node_put(leds);
+ }
+
/* Create "opal" kobject under /sys/firmware */
rc = opal_sysfs_init();
if (rc == 0) {
@@ -876,3 +883,6 @@
EXPORT_SYMBOL_GPL(opal_tpo_read);
EXPORT_SYMBOL_GPL(opal_tpo_write);
EXPORT_SYMBOL_GPL(opal_i2c_request);
+/* Export these symbols for PowerNV LED class driver */
+EXPORT_SYMBOL_GPL(opal_leds_get_ind);
+EXPORT_SYMBOL_GPL(opal_leds_set_ind);