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| author | Ben Skeggs <bskeggs@redhat.com> | 2014-12-05 11:20:19 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-01-10 23:57:06 +1000 |
| commit | 77aaee78e26f4b174e44f9547792e10b61666176 (patch) | |
| tree | 6b84ad6bfb11d52ba621297de4fcade4be1dda46 /nvkm/engine/device/base.c | |
| parent | c4eb2e2bad75870f537a0e33aa405cb2b5595a31 (diff) | |
| download | nouveau-77aaee78e26f4b174e44f9547792e10b61666176.tar.gz | |
core: uninline subdev/engine/device lookup functions
These are a tad more complex than a direct cast with paranoia safeties.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'nvkm/engine/device/base.c')
| -rw-r--r-- | nvkm/engine/device/base.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/nvkm/engine/device/base.c b/nvkm/engine/device/base.c index 714a93eb1..e2da1d402 100644 --- a/nvkm/engine/device/base.c +++ b/nvkm/engine/device/base.c @@ -508,6 +508,28 @@ nouveau_devobj_ofuncs = { * nouveau_device: engine functions *****************************************************************************/ +struct nouveau_device * +nv_device(void *obj) +{ + struct nouveau_object *object = nv_object(obj); + struct nouveau_object *device = object; + + if (device->engine) + device = device->engine; + if (device->parent) + device = device->parent; + +#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA + if (unlikely(!nv_iclass(device, NV_SUBDEV_CLASS) || + (nv_hclass(device) & 0xff) != NVDEV_ENGINE_DEVICE)) { + nv_assert("BAD CAST -> NvDevice, 0x%08x 0x%08x", + nv_hclass(object), nv_hclass(device)); + } +#endif + + return (void *)device; +} + static struct nouveau_oclass nouveau_device_sclass[] = { { 0x0080, &nouveau_devobj_ofuncs }, |