On Tue, 2015-04-28 at 15:40 +0530, Vasant Hegde wrote:
> 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>
Acked-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
> ---
> 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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