diff options
| author | Alex Frid <afrid@nvidia.com> | 2010-08-30 17:09:48 -0700 |
|---|---|---|
| committer | Yu-Huan Hsu <yhsu@nvidia.com> | 2010-09-09 21:30:21 -0700 |
| commit | d9756d58daa769393558af6fb1005e5b8e1b78e7 (patch) | |
| tree | 89f950689f5575ca80de41a0a107693c268c9051 | |
| parent | 573fa124d2094bbe5d0bb3d2fc41d148f8d6a19c (diff) | |
[ARM/tegra] nvhost: WAR power down of powered off module.
Replaced assert on powering down of already powered off module with
skipping the power down procedure in this situation is detected. WAR
for bug 727964.
(cherry picked from commit c562c8fdf58a552fe9ba1c62ffec66e0b67447e5)
Change-Id: I2f55052d38874bf196bc89a06fa478aa3e9783c2
Reviewed-on: http://git-master/r/6283
Tested-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
| -rw-r--r-- | drivers/video/tegra/host/nvhost_acm.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/video/tegra/host/nvhost_acm.c b/drivers/video/tegra/host/nvhost_acm.c index 360774b72bb6..4628306c02a8 100644 --- a/drivers/video/tegra/host/nvhost_acm.c +++ b/drivers/video/tegra/host/nvhost_acm.c @@ -50,8 +50,7 @@ static void powerdown_handler(struct work_struct *work) struct nvhost_module *mod; mod = container_of(to_delayed_work(work), struct nvhost_module, powerdown); mutex_lock(&mod->lock); - BUG_ON(!mod->powered); - if (atomic_read(&mod->refcount) == 0) { + if ((atomic_read(&mod->refcount) == 0) && mod->powered){ int i; if (mod->func) mod->func(mod, NVHOST_POWER_ACTION_OFF); |