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| author | Ben Skeggs <bskeggs@redhat.com> | 2017-03-01 09:38:29 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-03-07 17:04:07 +1000 |
| commit | 79ce00eaa49d76e435f432a50cb0d4a9b1182aa6 (patch) | |
| tree | 0297ae3ffe7ae83c7d0da7530df8cb2a817842fb | |
| parent | 406d99ec279ac67dc302cccb236f6fca182c4843 (diff) | |
| download | nouveau-79ce00eaa49d76e435f432a50cb0d4a9b1182aa6.tar.gz | |
i2c/g94-: return REPLY_M value on reads
This value represents the actual number of bytes recieved on the AUX
channel as the result of a read transaction.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drm/nouveau/nvkm/subdev/i2c/auxg94.c | 1 | ||||
| -rw-r--r-- | drm/nouveau/nvkm/subdev/i2c/auxgm200.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drm/nouveau/nvkm/subdev/i2c/auxg94.c b/drm/nouveau/nvkm/subdev/i2c/auxg94.c index dc96afb77..ab8cb196c 100644 --- a/drm/nouveau/nvkm/subdev/i2c/auxg94.c +++ b/drm/nouveau/nvkm/subdev/i2c/auxg94.c @@ -152,6 +152,7 @@ g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, AUX_TRACE(&aux->base, "rd %08x", xbuf[i / 4]); } memcpy(data, xbuf, *size); + *size = stat & 0x0000001f; } out: diff --git a/drm/nouveau/nvkm/subdev/i2c/auxgm200.c b/drm/nouveau/nvkm/subdev/i2c/auxgm200.c index 50e79a910..ee091fa79 100644 --- a/drm/nouveau/nvkm/subdev/i2c/auxgm200.c +++ b/drm/nouveau/nvkm/subdev/i2c/auxgm200.c @@ -152,6 +152,7 @@ gm200_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, AUX_TRACE(&aux->base, "rd %08x", xbuf[i / 4]); } memcpy(data, xbuf, *size); + *size = stat & 0x0000001f; } out: |