From: Vasant Hegde Date: Wed, 19 Aug 2015 16:49:53 +0000 (+0530) Subject: powerpc/powernv: Create LED platform device X-Git-Tag: firefly_0821_release~176^2~1149^2~17 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c159b5968ec9d3cbf16802189b29eb0ec17ae4d8;p=firefly-linux-kernel-4.4.55.git 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 Acked-by: Benjamin Herrenschmidt Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index a2b53f292427..230f3a7cdea4 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -683,7 +683,7 @@ 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"); @@ -724,6 +724,13 @@ 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) { @@ -876,3 +883,6 @@ 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);