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path: root/drivers/parisc/led.c
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-rw-r--r--drivers/parisc/led.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 454b6532e409..9581d3619450 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -3,7 +3,7 @@
3 * 3 *
4 * (c) Copyright 2000 Red Hat Software 4 * (c) Copyright 2000 Red Hat Software
5 * (c) Copyright 2000 Helge Deller <hdeller@redhat.com> 5 * (c) Copyright 2000 Helge Deller <hdeller@redhat.com>
6 * (c) Copyright 2001-2005 Helge Deller <deller@gmx.de> 6 * (c) Copyright 2001-2009 Helge Deller <deller@gmx.de>
7 * (c) Copyright 2001 Randolph Chung <tausq@debian.org> 7 * (c) Copyright 2001 Randolph Chung <tausq@debian.org>
8 * 8 *
9 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
@@ -243,13 +243,11 @@ static int __init led_create_procfs(void)
243 243
244 proc_pdc_root = proc_mkdir("pdc", 0); 244 proc_pdc_root = proc_mkdir("pdc", 0);
245 if (!proc_pdc_root) return -1; 245 if (!proc_pdc_root) return -1;
246 proc_pdc_root->owner = THIS_MODULE;
247 ent = create_proc_entry("led", S_IFREG|S_IRUGO|S_IWUSR, proc_pdc_root); 246 ent = create_proc_entry("led", S_IFREG|S_IRUGO|S_IWUSR, proc_pdc_root);
248 if (!ent) return -1; 247 if (!ent) return -1;
249 ent->data = (void *)LED_NOLCD; /* LED */ 248 ent->data = (void *)LED_NOLCD; /* LED */
250 ent->read_proc = led_proc_read; 249 ent->read_proc = led_proc_read;
251 ent->write_proc = led_proc_write; 250 ent->write_proc = led_proc_write;
252 ent->owner = THIS_MODULE;
253 251
254 if (led_type == LED_HASLCD) 252 if (led_type == LED_HASLCD)
255 { 253 {
@@ -258,7 +256,6 @@ static int __init led_create_procfs(void)
258 ent->data = (void *)LED_HASLCD; /* LCD */ 256 ent->data = (void *)LED_HASLCD; /* LCD */
259 ent->read_proc = led_proc_read; 257 ent->read_proc = led_proc_read;
260 ent->write_proc = led_proc_write; 258 ent->write_proc = led_proc_write;
261 ent->owner = THIS_MODULE;
262 } 259 }
263 260
264 return 0; 261 return 0;
@@ -463,9 +460,20 @@ static void led_work_func (struct work_struct *unused)
463 if (likely(led_lanrxtx)) currentleds |= led_get_net_activity(); 460 if (likely(led_lanrxtx)) currentleds |= led_get_net_activity();
464 if (likely(led_diskio)) currentleds |= led_get_diskio_activity(); 461 if (likely(led_diskio)) currentleds |= led_get_diskio_activity();
465 462
466 /* blink all LEDs twice a second if we got an Oops (HPMC) */ 463 /* blink LEDs if we got an Oops (HPMC) */
467 if (unlikely(oops_in_progress)) 464 if (unlikely(oops_in_progress)) {
468 currentleds = (count_HZ<=(HZ/2)) ? 0 : 0xff; 465 if (boot_cpu_data.cpu_type >= pcxl2) {
466 /* newer machines don't have loadavg. LEDs, so we
467 * let all LEDs blink twice per second instead */
468 currentleds = (count_HZ <= (HZ/2)) ? 0 : 0xff;
469 } else {
470 /* old machines: blink loadavg. LEDs twice per second */
471 if (count_HZ <= (HZ/2))
472 currentleds &= ~(LED4|LED5|LED6|LED7);
473 else
474 currentleds |= (LED4|LED5|LED6|LED7);
475 }
476 }
469 477
470 if (currentleds != lastleds) 478 if (currentleds != lastleds)
471 { 479 {
@@ -511,7 +519,7 @@ static int led_halt(struct notifier_block *nb, unsigned long event, void *buf)
511 519
512 /* Cancel the work item and delete the queue */ 520 /* Cancel the work item and delete the queue */
513 if (led_wq) { 521 if (led_wq) {
514 cancel_rearming_delayed_workqueue(led_wq, &led_task); 522 cancel_delayed_work_sync(&led_task);
515 destroy_workqueue(led_wq); 523 destroy_workqueue(led_wq);
516 led_wq = NULL; 524 led_wq = NULL;
517 } 525 }
@@ -630,7 +638,7 @@ int lcd_print( const char *str )
630 638
631 /* temporarily disable the led work task */ 639 /* temporarily disable the led work task */
632 if (led_wq) 640 if (led_wq)
633 cancel_rearming_delayed_workqueue(led_wq, &led_task); 641 cancel_delayed_work_sync(&led_task);
634 642
635 /* copy display string to buffer for procfs */ 643 /* copy display string to buffer for procfs */
636 strlcpy(lcd_text, str, sizeof(lcd_text)); 644 strlcpy(lcd_text, str, sizeof(lcd_text));