diff options
| author | Alexandre Courbot <gnurou@gmail.com> | 2016-07-06 23:04:56 +0900 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2016-10-12 17:29:02 +1000 |
| commit | 69b624983f94f2a877449c1e6c34f21c97440f25 (patch) | |
| tree | 4424811983987314ae2d1791174dde7843dbb79a /drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c | |
| parent | 69405d3da98b48633b78a49403e4f9cdb7c6a0f5 (diff) | |
| download | op-kernel-dev-69b624983f94f2a877449c1e6c34f21c97440f25.zip op-kernel-dev-69b624983f94f2a877449c1e6c34f21c97440f25.tar.gz | |
drm/nouveau/ibus/gk20a: use udelay() in interrupt context
gk20a_ibus_init_ibus_ring() can be called from gk20a_ibus_intr(), in
non-interruptible context. Replace use of usleep_range() with udelay().
Reported-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c index b7159b3..1a4ab82 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c @@ -29,7 +29,7 @@ gk20a_ibus_init_ibus_ring(struct nvkm_subdev *ibus) nvkm_mask(device, 0x137250, 0x3f, 0); nvkm_mask(device, 0x000200, 0x20, 0); - usleep_range(20, 30); + udelay(20); nvkm_mask(device, 0x000200, 0x20, 0x20); nvkm_wr32(device, 0x12004c, 0x4); |
