Messages in this thread Patch in this message | | | Subject | [PATCH 10/11] LED: Add IDE disk activity LED trigger | From | Richard Purdie <> | Date | Tue, 31 Jan 2006 13:41:58 +0000 |
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Add an LED trigger for IDE disk activity to the IDE subsystem.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Index: linux-2.6.15/drivers/ide/ide-disk.c =================================================================== --- linux-2.6.15.orig/drivers/ide/ide-disk.c 2006-01-29 14:43:00.000000000 +0000 +++ linux-2.6.15/drivers/ide/ide-disk.c 2006-01-29 15:22:48.000000000 +0000 @@ -60,6 +60,7 @@ #include <linux/genhd.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/leds.h> #define _IDE_DISK @@ -297,6 +298,8 @@ } } +extern struct led_trigger *ide_led_trigger; + /* * 268435455 == 137439 MB or 28bit limit * 320173056 == 163929 MB or 48bit addressing @@ -315,6 +318,8 @@ 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); Index: linux-2.6.15/drivers/ide/ide-io.c =================================================================== --- linux-2.6.15.orig/drivers/ide/ide-io.c 2006-01-29 14:37:20.000000000 +0000 +++ linux-2.6.15/drivers/ide/ide-io.c 2006-01-29 15:28:00.000000000 +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> @@ -93,6 +94,8 @@ } EXPORT_SYMBOL(__ide_end_request); +extern struct led_trigger *ide_led_trigger; + /** * ide_end_request - complete an IDE I/O * @drive: IDE device for the I/O @@ -123,6 +126,9 @@ ret = __ide_end_request(drive, rq, uptodate, nr_sectors); spin_unlock_irqrestore(&ide_lock, flags); + + led_trigger_event(ide_led_trigger, LED_OFF); + return ret; } EXPORT_SYMBOL(ide_end_request); Index: linux-2.6.15/drivers/ide/ide.c =================================================================== --- linux-2.6.15.orig/drivers/ide/ide.c 2006-01-29 14:43:00.000000000 +0000 +++ linux-2.6.15/drivers/ide/ide.c 2006-01-29 15:23:59.000000000 +0000 @@ -154,6 +154,7 @@ #include <linux/seq_file.h> #include <linux/device.h> #include <linux/bitops.h> +#include <linux/leds.h> #include <asm/byteorder.h> #include <asm/irq.h> @@ -1990,6 +1991,8 @@ EXPORT_SYMBOL_GPL(ide_bus_type); +INIT_LED_TRIGGER_GLOBAL(ide_led_trigger); + /* * This is gets invoked once during initialization, to set *everything* up */ @@ -2036,6 +2039,8 @@ #ifdef CONFIG_PROC_FS proc_ide_create(); #endif + led_trigger_register_simple("ide-disk", &ide_led_trigger); + return 0; } @@ -2068,6 +2073,8 @@ { int index; + led_trigger_unregister_simple(ide_led_trigger); + for (index = 0; index < MAX_HWIFS; ++index) ide_unregister(index);
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