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| author | David S. Miller | 2017-08-10 21:09:13 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-08-10 21:09:13 +0200 |
| commit | 2f7043a37708110aa98262b91702da6bc32e17b6 (patch) | |
| tree | de0525dae8420a56f9a00def631ccc0108d9d091 /drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c | |
| parent | sparc64: Revert 16GB huge page support. (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | kernel-qcow2-linux-2f7043a37708110aa98262b91702da6bc32e17b6.tar.gz kernel-qcow2-linux-2f7043a37708110aa98262b91702da6bc32e17b6.tar.xz kernel-qcow2-linux-2f7043a37708110aa98262b91702da6bc32e17b6.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c index d172e42dd228..4c1f547da463 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c @@ -117,6 +117,10 @@ int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *aux, bool retry, u8 type, u32 addr, u8 *data, u8 *size) { + if (!*size && !aux->func->address_only) { + AUX_ERR(aux, "address-only transaction dropped"); + return -ENOSYS; + } return aux->func->xfer(aux, retry, type, addr, data, size); } |