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parisc: blink all or loadavg LEDs on oops 

- depending on machine type, blink all leds or just the loadavg
  leds twice a second on oops.
- cancel_rearming_delayed_workqueue() is obsolete,
  use cancel_delayed_work_sync() instead

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
This commit is contained in:
Helge Deller 2009-01-06 14:23:13 +01:00 committed by Kyle McMartin
parent d75f054a2c
commit 8a1def457b
1 changed files with 17 additions and 6 deletions
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23
drivers/parisc/led.c
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@ -3,7 +3,7 @@
*
* (c) Copyright 2000 Red Hat Software
* (c) Copyright 2000 Helge Deller <hdeller@redhat.com>
* (c) Copyright 2001-2005 Helge Deller <deller@gmx.de>
* (c) Copyright 2001-2009 Helge Deller <deller@gmx.de>
* (c) Copyright 2001 Randolph Chung <tausq@debian.org>
*
* This program is free software; you can redistribute it and/or modify
@ -463,9 +463,20 @@ static void led_work_func (struct work_struct *unused)
if (likely(led_lanrxtx)) currentleds |= led_get_net_activity();
if (likely(led_diskio)) currentleds |= led_get_diskio_activity();
/* blink all LEDs twice a second if we got an Oops (HPMC) */
if (unlikely(oops_in_progress))
currentleds = (count_HZ<=(HZ/2)) ? 0 : 0xff;
/* blink LEDs if we got an Oops (HPMC) */
if (unlikely(oops_in_progress)) {
if (boot_cpu_data.cpu_type >= pcxl2) {
/* newer machines don't have loadavg. LEDs, so we
* let all LEDs blink twice per second instead */
currentleds = (count_HZ <= (HZ/2)) ? 0 : 0xff;
} else {
/* old machines: blink loadavg. LEDs twice per second */
if (count_HZ <= (HZ/2))
currentleds &= ~(LED4|LED5|LED6|LED7);
else
currentleds |= (LED4|LED5|LED6|LED7);
}
}
if (currentleds != lastleds)
{
@ -511,7 +522,7 @@ static int led_halt(struct notifier_block *nb, unsigned long event, void *buf)
/* Cancel the work item and delete the queue */
if (led_wq) {
cancel_rearming_delayed_workqueue(led_wq, &led_task);
cancel_delayed_work_sync(&led_task);
destroy_workqueue(led_wq);
led_wq = NULL;
}
@ -630,7 +641,7 @@ int lcd_print( const char *str )
/* temporarily disable the led work task */
if (led_wq)
cancel_rearming_delayed_workqueue(led_wq, &led_task);
cancel_delayed_work_sync(&led_task);
/* copy display string to buffer for procfs */
strlcpy(lcd_text, str, sizeof(lcd_text));