diff options
| author | Terje Bergstrom <tbergstrom@nvidia.com> | 2011-09-14 15:47:10 +0300 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-09-16 14:58:05 -0700 |
| commit | f837e5b34d311b13a52996b68b27b0207c15bd79 (patch) | |
| tree | 22ed27ebb806feaebababd2bbf70c72d809459cb /drivers | |
| parent | d1108a676733ee233f5f14636b53b6407e04dd06 (diff) | |
nvhost: Turn clock on before querying clock rate
nvhost_module_rate() must turn clock on before querying its value.
Bug 873710
Change-Id: Idae811c6f7a27cbd0b9d701921fad36eaca1121e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/52357
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/tegra/host/nvhost_acm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/tegra/host/nvhost_acm.c b/drivers/video/tegra/host/nvhost_acm.c index 095520433b71..7ead7ac69fca 100644 --- a/drivers/video/tegra/host/nvhost_acm.c +++ b/drivers/video/tegra/host/nvhost_acm.c @@ -487,7 +487,9 @@ int nvhost_module_get_rate(struct nvhost_module *mod, unsigned long *rate, if (IS_ERR_OR_NULL(c)) return -EINVAL; + nvhost_module_busy(mod); *rate = clk_get_rate(c); + nvhost_module_idle(mod); return 0; } |