Add an LED trigger for IDE disk activity to the ide-disk driver.
Signed-off-by: Richard Purdie <[email protected]>
Index: linux-2.6.15/drivers/ide/ide-disk.c
===================================================================
--- linux-2.6.15.orig/drivers/ide/ide-disk.c 2006-02-04 13:35:37.000000000 +0000
+++ linux-2.6.15/drivers/ide/ide-disk.c 2006-02-04 15:17:18.000000000 +0000
@@ -60,6 +60,7 @@
#include <linux/genhd.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/leds.h>
#define _IDE_DISK
@@ -80,6 +81,8 @@
static DECLARE_MUTEX(idedisk_ref_sem);
+INIT_LED_TRIGGER(ide_led_trigger);
+
#define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref)
#define ide_disk_g(disk) \
@@ -311,10 +314,12 @@
if (!blk_fs_request(rq)) {
blk_dump_rq_flags(rq, "ide_do_rw_disk - bad command");
- ide_end_request(drive, 0, 0);
+ ide_end_rw_disk(drive, 0, 0);
return ide_stopped;
}
+ led_trigger_event(ide_led_trigger, LED_FULL);
+
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);
@@ -325,6 +330,12 @@
return __ide_do_rw_disk(drive, rq, block);
}
+static int ide_end_rw_disk(ide_drive_t *drive, int uptodate, int nr_sectors)
+{
+ led_trigger_event(ide_led_trigger, LED_OFF);
+ ide_end_request(drive, uptodate, nr_sectors);
+}
+
/*
* Queries for true maximum capacity of the drive.
* Returns maximum LBA address (> 0) of the drive, 0 if failed.
@@ -1097,7 +1108,7 @@
.media = ide_disk,
.supports_dsc_overlap = 0,
.do_request = ide_do_rw_disk,
- .end_request = ide_end_request,
+ .end_request = ide_end_rw_disk,
.error = __ide_error,
.abort = __ide_abort,
.proc = idedisk_proc,
@@ -1259,11 +1270,13 @@
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);
}
-
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