video: tegra: host: add missing spinlock init

spin_lock_init() for spinlock mc_enable_lock was missing.
Add it in gk20a probe()

Bug 1444283

Change-Id: I56efa7452749c0c44c9187131eda18c78e84aa5e
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/361529
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

diff --git a/drivers/video/tegra/host/gk20a/gk20a.c b/drivers/video/tegra/host/gk20a/gk20a.c
index 5b1b6133e762a7b1455931865988c14c5b56f6f9..001a1191a5f1b8f656e4a110c42386f8d9f83b3a 100644 (file)
--- a/drivers/video/tegra/host/gk20a/gk20a.c
+++ b/drivers/video/tegra/host/gk20a/gk20a.c
@@ -1134,6 +1134,8 @@ static int gk20a_probe(struct platform_device *dev)
 
        gk20a_init_support(dev);
 
+       spin_lock_init(&gk20a->mc_enable_lock);
+
        /* Initialize the platform interface. */
        err = platform->probe(dev);
        if (err) {