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[v8,2/3] powerpc/powernv: Create LED platform device

Message ID 1437801670-23705-3-git-send-email-hegdevasant@linux.vnet.ibm.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Vasant Hegde July 25, 2015, 5:21 a.m. UTC 
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>
---
 arch/powerpc/platforms/powernv/opal.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index f084afa..6839358 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -648,7 +648,7 @@  static void opal_init_heartbeat(void)
 
 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");
@@ -689,6 +689,13 @@  static int __init opal_init(void)
 	/* 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) {
@@ -841,3 +848,6 @@  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);