linux-kernel - [PATCH v2 08/15] leds: trigger: blkdev: Add stub LED trigger structure

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Date:   Thu,  9 Sep 2021 17:25:06 -0500
From:   Ian Pilcher <arequipeno@...il.com>
To:     axboe@...nel.dk, pavel@....cz
Cc:     linux-leds@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        kabel@...nel.org
Subject: [PATCH v2 08/15] leds: trigger: blkdev: Add stub LED trigger structure

Needed to avoid unused function warnings/errors from subsequent patches

Make ledtrig_blkdev_trigger non-static for now to avoid unused variable
warning/error

Signed-off-by: Ian Pilcher <arequipeno@...il.com>
---
 drivers/leds/trigger/ledtrig-blkdev.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/leds/trigger/ledtrig-blkdev.c b/drivers/leds/trigger/ledtrig-blkdev.c
index 38a2cd2df85c..53b62e320491 100644
--- a/drivers/leds/trigger/ledtrig-blkdev.c
+++ b/drivers/leds/trigger/ledtrig-blkdev.c
@@ -59,3 +59,28 @@ struct ledtrig_blkdev_led {
 	struct hlist_node		leds_node;
 	enum ledtrig_blkdev_mode	mode;
 };
+
+
+/*
+ *
+ *	Initialization - register the trigger
+ *
+ */
+
+static struct attribute *ledtrig_blkdev_attrs[] = {
+	NULL
+};
+
+static const struct attribute_group ledtrig_blkdev_attr_group = {
+	.attrs	= ledtrig_blkdev_attrs,
+};
+
+static const struct attribute_group *ledtrig_blkdev_attr_groups[] = {
+	&ledtrig_blkdev_attr_group,
+	NULL
+};
+
+struct led_trigger ledtrig_blkdev_trigger = {
+	.name		= "blkdev",
+	.groups		= ledtrig_blkdev_attr_groups,
+};
-- 
2.31.1