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drm/msm: Do not BUG_ON(!spin_is_locked()) on UP

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On !SMP systems spinlocks do not exist. Thus checking of they
are active will always fail.

Use
  assert_spin_locked(lock);
instead of
  BUG_ON(!spin_is_locked(lock));
to not BUG() on all UP systems.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
[robclark: drop stray ')']
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Bruno Prémont 2014-12-21 17:43:44 +01:00 committed by Rob Clark
parent 475ac0a13d
commit 925c1e7f71
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/msm/mdp/mdp_kms.c
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@ -34,7 +34,7 @@ static void update_irq(struct mdp_kms *mdp_kms)
struct mdp_irq *irq;
uint32_t irqmask = mdp_kms->vblank_mask;
BUG_ON(!spin_is_locked(&list_lock));
assert_spin_locked(&list_lock);
list_for_each_entry(irq, &mdp_kms->irq_list, node)
irqmask |= irq->irqmask;