diff options
Diffstat (limited to 'drivers/sbus')
-rw-r--r-- | drivers/sbus/char/bbc_envctrl.c | 64 |
1 files changed, 38 insertions, 26 deletions
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c index 7c815d3327f7..28d86f9df83c 100644 --- a/drivers/sbus/char/bbc_envctrl.c +++ b/drivers/sbus/char/bbc_envctrl.c | |||
@@ -522,6 +522,40 @@ static void attach_one_fan(struct bbc_i2c_bus *bp, struct of_device *op, | |||
522 | set_fan_speeds(fp); | 522 | set_fan_speeds(fp); |
523 | } | 523 | } |
524 | 524 | ||
525 | static void destroy_one_temp(struct bbc_cpu_temperature *tp) | ||
526 | { | ||
527 | bbc_i2c_detach(tp->client); | ||
528 | kfree(tp); | ||
529 | } | ||
530 | |||
531 | static void destroy_all_temps(struct bbc_i2c_bus *bp) | ||
532 | { | ||
533 | struct bbc_cpu_temperature *tp, *tpos; | ||
534 | |||
535 | list_for_each_entry_safe(tp, tpos, &bp->temps, bp_list) { | ||
536 | list_del(&tp->bp_list); | ||
537 | list_del(&tp->glob_list); | ||
538 | destroy_one_temp(tp); | ||
539 | } | ||
540 | } | ||
541 | |||
542 | static void destroy_one_fan(struct bbc_fan_control *fp) | ||
543 | { | ||
544 | bbc_i2c_detach(fp->client); | ||
545 | kfree(fp); | ||
546 | } | ||
547 | |||
548 | static void destroy_all_fans(struct bbc_i2c_bus *bp) | ||
549 | { | ||
550 | struct bbc_fan_control *fp, *fpos; | ||
551 | |||
552 | list_for_each_entry_safe(fp, fpos, &bp->fans, bp_list) { | ||
553 | list_del(&fp->bp_list); | ||
554 | list_del(&fp->glob_list); | ||
555 | destroy_one_fan(fp); | ||
556 | } | ||
557 | } | ||
558 | |||
525 | int bbc_envctrl_init(struct bbc_i2c_bus *bp) | 559 | int bbc_envctrl_init(struct bbc_i2c_bus *bp) |
526 | { | 560 | { |
527 | struct of_device *op; | 561 | struct of_device *op; |
@@ -541,6 +575,8 @@ int bbc_envctrl_init(struct bbc_i2c_bus *bp) | |||
541 | int err = PTR_ERR(kenvctrld_task); | 575 | int err = PTR_ERR(kenvctrld_task); |
542 | 576 | ||
543 | kenvctrld_task = NULL; | 577 | kenvctrld_task = NULL; |
578 | destroy_all_temps(bp); | ||
579 | destroy_all_fans(bp); | ||
544 | return err; | 580 | return err; |
545 | } | 581 | } |
546 | } | 582 | } |
@@ -548,35 +584,11 @@ int bbc_envctrl_init(struct bbc_i2c_bus *bp) | |||
548 | return 0; | 584 | return 0; |
549 | } | 585 | } |
550 | 586 | ||
551 | static void destroy_one_temp(struct bbc_cpu_temperature *tp) | ||
552 | { | ||
553 | bbc_i2c_detach(tp->client); | ||
554 | kfree(tp); | ||
555 | } | ||
556 | |||
557 | static void destroy_one_fan(struct bbc_fan_control *fp) | ||
558 | { | ||
559 | bbc_i2c_detach(fp->client); | ||
560 | kfree(fp); | ||
561 | } | ||
562 | |||
563 | void bbc_envctrl_cleanup(struct bbc_i2c_bus *bp) | 587 | void bbc_envctrl_cleanup(struct bbc_i2c_bus *bp) |
564 | { | 588 | { |
565 | struct bbc_cpu_temperature *tp, *tpos; | ||
566 | struct bbc_fan_control *fp, *fpos; | ||
567 | |||
568 | if (kenvctrld_task) | 589 | if (kenvctrld_task) |
569 | kthread_stop(kenvctrld_task); | 590 | kthread_stop(kenvctrld_task); |
570 | 591 | ||
571 | list_for_each_entry_safe(tp, tpos, &bp->temps, bp_list) { | 592 | destroy_all_temps(bp); |
572 | list_del(&tp->bp_list); | 593 | destroy_all_fans(bp); |
573 | list_del(&tp->glob_list); | ||
574 | destroy_one_temp(tp); | ||
575 | } | ||
576 | |||
577 | list_for_each_entry_safe(fp, fpos, &bp->fans, bp_list) { | ||
578 | list_del(&fp->bp_list); | ||
579 | list_del(&fp->glob_list); | ||
580 | destroy_one_fan(fp); | ||
581 | } | ||
582 | } | 594 | } |