From: Richard Purdie <rpurdie@rpsys.net>
To: LKML <linux-kernel@vger.kernel.org>,
Russell King <rmk@arm.linux.org.uk>, John Lenz <lenz@cs.wisc.edu>,
Pavel Machek <pavel@suse.cz>
Subject: [RFC PATCH 7/8] LED: Add IDE disk activity LED trigger
Date: Mon, 05 Dec 2005 13:10:48 +0000 [thread overview]
Message-ID: <1133788248.8101.137.camel@localhost.localdomain> (raw)
Add an LED trigger for IDE disk activity to the IDE subsystem.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Pavel Machek <pavel@suse.cz>
Index: linux-2.6.15-rc2/drivers/ide/ide-disk.c
===================================================================
--- linux-2.6.15-rc2.orig/drivers/ide/ide-disk.c 2005-11-28 12:31:02.000000000 +0000
+++ linux-2.6.15-rc2/drivers/ide/ide-disk.c 2005-11-28 15:55:36.000000000 +0000
@@ -60,6 +60,7 @@
#include <linux/genhd.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/leds.h>
#define _IDE_DISK
@@ -78,6 +79,8 @@
struct kref kref;
};
+INIT_LED_TRIGGER_GLOBAL(ide_led_trigger);
+
static DECLARE_MUTEX(idedisk_ref_sem);
#define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref)
@@ -315,6 +318,8 @@
return ide_stopped;
}
+ led_trigger_event(ide_led_trigger, 100);
+
pr_debug("%s: %sing: block=%llu, sectors=%lu, buffer=0x%08lx\n",
drive->name, rq_data_dir(rq) == READ ? "read" : "writ",
block, rq->nr_sectors, (unsigned long)rq->buffer);
@@ -1259,11 +1264,13 @@
static void __exit idedisk_exit (void)
{
+ led_trigger_unregister_simple(ide_led_trigger);
driver_unregister(&idedisk_driver.gen_driver);
}
static int __init idedisk_init(void)
{
+ led_trigger_register_simple("ide-disk", &ide_led_trigger);
return driver_register(&idedisk_driver.gen_driver);
}
Index: linux-2.6.15-rc2/drivers/ide/ide-io.c
===================================================================
--- linux-2.6.15-rc2.orig/drivers/ide/ide-io.c 2005-11-20 03:25:03.000000000 +0000
+++ linux-2.6.15-rc2/drivers/ide/ide-io.c 2005-11-28 12:31:04.000000000 +0000
@@ -48,6 +48,7 @@
#include <linux/device.h>
#include <linux/kmod.h>
#include <linux/scatterlist.h>
+#include <linux/leds.h>
#include <asm/byteorder.h>
#include <asm/irq.h>
@@ -107,6 +108,8 @@
* it was tagged may be out of order.
*/
+extern struct led_trigger *ide_led_trigger;
+
int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
{
struct request *rq;
@@ -125,6 +128,9 @@
ret = __ide_end_request(drive, rq, uptodate, nr_sectors);
spin_unlock_irqrestore(&ide_lock, flags);
+
+ led_trigger_event(ide_led_trigger, 0);
+
return ret;
}
EXPORT_SYMBOL(ide_end_request);
reply other threads:[~2005-12-05 13:11 UTC|newest]
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