drm/nouveau/secboot: remove unused hook

Remove a leftover that became obsolete with the falcon interface.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr.h b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr.h
index 97795b3..58eb20a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr.h
@@ -41,8 +41,6 @@
 		    struct nvkm_gpuobj *, u64);
 	int (*reset)(struct nvkm_acr *, struct nvkm_secboot *,
 		     enum nvkm_secboot_falcon);
-	int (*start)(struct nvkm_acr *, struct nvkm_secboot *,
-		     enum nvkm_secboot_falcon);
 };
 
 /**
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
index 1aa37ea1..b1e5652 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
@@ -824,32 +824,6 @@
 }
 
 static int
-acr_r352_start(struct nvkm_acr *_acr, struct nvkm_secboot *sb,
-		    enum nvkm_secboot_falcon falcon)
-{
-	struct acr_r352 *acr = acr_r352(_acr);
-	const struct nvkm_subdev *subdev = &sb->subdev;
-	int base;
-
-	switch (falcon) {
-	case NVKM_SECBOOT_FALCON_FECS:
-		base = 0x409000;
-		break;
-	case NVKM_SECBOOT_FALCON_GPCCS:
-		base = 0x41a000;
-		break;
-	default:
-		nvkm_error(subdev, "cannot start unhandled falcon!\n");
-		return -EINVAL;
-	}
-
-	nvkm_wr32(subdev->device, base + 0x130, 0x00000002);
-	acr->falcon_state[falcon] = RUNNING;
-
-	return 0;
-}
-
-static int
 acr_r352_fini(struct nvkm_acr *_acr, struct nvkm_secboot *sb, bool suspend)
 {
 	struct acr_r352 *acr = acr_r352(_acr);
@@ -906,7 +880,6 @@
 	.fini = acr_r352_fini,
 	.load = acr_r352_load,
 	.reset = acr_r352_reset,
-	.start = acr_r352_start,
 };
 
 struct nvkm_acr *