This patch adds paltform devices for leds. Also export LED related
OPAL API's so that led driver can use these APIs.
Signed-off-by: Vasant Hegde <hegdevas...@linux.vnet.ibm.com>
Signed-off-by: Anshuman Khandual <khand...@linux.vnet.ibm.com>
Acked-by: Stewart Smith <stew...@linux.vnet.ibm.com>
Tested-by: Stewart Smith <stew...@linux.vnet.ibm.com>
---
Since this is the split of origianal LED patch, I have retained Tested-by/Ack
from Stewart's Ack here.
-Vasant
arch/powerpc/platforms/powernv/opal.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powernv/opal.c
b/arch/powerpc/platforms/powernv/opal.c
index 2241565..b1951aa 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -784,7 +784,7 @@ static void opal_init_heartbeat(void)
static int __init opal_init(void)
{
- struct device_node *np, *consoles;
+ struct device_node *np, *consoles, *led;
int rc;
opal_node = of_find_node_by_path("/ibm,opal");
@@ -813,6 +813,13 @@ static int __init opal_init(void)
/* Setup a heatbeat thread if requested by OPAL */
opal_init_heartbeat();
+ /* Create led platform devices */
+ led = of_find_node_by_path("/ibm,opal/led");
+ if (led) {
+ of_platform_device_create(led, "opal_led", NULL);
+ of_node_put(led);
+ }
+
/* Find all OPAL interrupts and request them */
opal_irq_init(opal_node);
@@ -970,3 +977,6 @@ EXPORT_SYMBOL_GPL(opal_rtc_write);
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);
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