From: Ian Pilcher <arequipeno@gmail.com>
To: linux-block@vger.kernel.org, linux-leds@vger.kernel.org
Cc: axboe@kernel.dk, pavel@ucw.cz, kabel@kernel.org,
linux-kernel@vger.kernel.org, kernelnewbies@kernelnewbies.org
Subject: [RFC PATCH v3 17/18] ledtrig-blkdev: Add initialization function
Date: Wed, 18 Aug 2021 21:50:52 -0500 [thread overview]
Message-ID: <20210819025053.222710-18-arequipeno@gmail.com> (raw)
In-Reply-To: <20210819025053.222710-1-arequipeno@gmail.com>
Register the block device LED trigger
Initialize interval (convert default value to jiffies)
Signed-off-by: Ian Pilcher <arequipeno@gmail.com>
---
drivers/leds/trigger/ledtrig-blkdev.c | 39 +++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/leds/trigger/ledtrig-blkdev.c b/drivers/leds/trigger/ledtrig-blkdev.c
index 01573c1ad855..f152b00a4f1a 100644
--- a/drivers/leds/trigger/ledtrig-blkdev.c
+++ b/drivers/leds/trigger/ledtrig-blkdev.c
@@ -729,3 +729,42 @@ static void blkdev_deactivate(struct led_classdev *const led_dev)
mutex_unlock(&ledtrig_blkdev_mutex);
}
+
+
+/*
+ *
+ * Initialization - register the trigger
+ *
+ */
+
+static struct attribute *ledtrig_blkdev_attrs[] = {
+ &ledtrig_blkdev_attr_add.attr,
+ &ledtrig_blkdev_attr_del.attr,
+ &ledtrig_blkdev_attr_blink_time.attr,
+ &ledtrig_blkdev_attr_interval.attr,
+ &ledtrig_blkdev_attr_mode.attr,
+ 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
+};
+
+static struct led_trigger ledtrig_blkdev_trigger = {
+ .name = "blkdev",
+ .activate = blkdev_activate,
+ .deactivate = blkdev_deactivate,
+ .groups = ledtrig_blkdev_attr_groups,
+};
+
+static int __init blkdev_init(void)
+{
+ ledtrig_blkdev_interval = msecs_to_jiffies(LEDTRIG_BLKDEV_INTERVAL);
+ return led_trigger_register(&ledtrig_blkdev_trigger);
+}
+device_initcall(blkdev_init);
--
2.31.1
next prev parent reply other threads:[~2021-08-19 2:51 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-19 2:50 [RFC PATCH v3 00/18] Add block device LED trigger Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 01/18] docs: Add block device (blkdev) LED trigger documentation Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 02/18] block: Add get_disk_by_name() for use by blkdev LED trigger Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 03/18] ledtrig-blkdev: Add file (ledtrig-blkdev.c) for block device " Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 04/18] ledtrig-blkdev: Add misc. helper functions to blkdev " Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 05/18] ledtrig-blkdev: Periodically check devices for activity & blink LEDs Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 06/18] block: Add LED trigger pointer to struct gendisk Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 07/18] ledtrig-blkdev: Add function to initialize gendisk ledtrig member Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 08/18] ledtrig-blkdev: Add function to remove LED/device association Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 09/18] ledtrig-blkdev: Add function to disassociate a device from all LEDs Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 10/18] block: Call LED trigger init/cleanup functions Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 11/18] ledtrig-blkdev: Add function to associate a device with an LED Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 12/18] ledtrig-blkdev: Add sysfs attributes to [dis]associate LEDs & devices Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 13/18] ledtrig-blkdev: Add blink_time & interval sysfs attributes Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 14/18] ledtrig-blkdev: Add mode (read/write/rw) sysfs attributue Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 15/18] ledtrig-blkdev: Add function to associate blkdev trigger with LED Ian Pilcher
2021-08-19 2:50 ` [RFC PATCH v3 16/18] ledtrig-blkdev: Add function to disassociate an LED from the trigger Ian Pilcher
2021-08-19 2:50 ` Ian Pilcher [this message]
2021-08-19 2:50 ` [RFC PATCH v3 18/18] ledtrig-blkdev: Add config option to enable " Ian Pilcher
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