diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 07:15:30 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 07:15:30 -0700 |
commit | a7bdf7fa33127bf08eb0810698bca607a9462df4 (patch) | |
tree | 2f4be686e49710d10cc4f5ebc2d5f06ae030b9bd /drivers/media/video/mx3_camera.c | |
parent | 7fda953ffed1b94aa68f80c6c3ab312328aedcb3 (diff) | |
parent | fea7a08acb13524b47711625eebea40a0ede69a0 (diff) |
Merge v3.6-rc3 into usb-next
This picks up fixes that we need in this branch for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media/video/mx3_camera.c')
-rw-r--r-- | drivers/media/video/mx3_camera.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index f13643d31353..af2297dd49c8 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c @@ -61,15 +61,9 @@ #define MAX_VIDEO_MEM 16 -enum csi_buffer_state { - CSI_BUF_NEEDS_INIT, - CSI_BUF_PREPARED, -}; - struct mx3_camera_buffer { /* common v4l buffer stuff -- must be first */ struct vb2_buffer vb; - enum csi_buffer_state state; struct list_head queue; /* One descriptot per scatterlist (per frame) */ @@ -285,7 +279,7 @@ static void mx3_videobuf_queue(struct vb2_buffer *vb) goto error; } - if (buf->state == CSI_BUF_NEEDS_INIT) { + if (!buf->txd) { sg_dma_address(sg) = vb2_dma_contig_plane_dma_addr(vb, 0); sg_dma_len(sg) = new_size; @@ -298,7 +292,6 @@ static void mx3_videobuf_queue(struct vb2_buffer *vb) txd->callback_param = txd; txd->callback = mx3_cam_dma_done; - buf->state = CSI_BUF_PREPARED; buf->txd = txd; } else { txd = buf->txd; @@ -385,7 +378,6 @@ static void mx3_videobuf_release(struct vb2_buffer *vb) /* Doesn't hurt also if the list is empty */ list_del_init(&buf->queue); - buf->state = CSI_BUF_NEEDS_INIT; if (txd) { buf->txd = NULL; @@ -405,13 +397,13 @@ static int mx3_videobuf_init(struct vb2_buffer *vb) struct mx3_camera_dev *mx3_cam = ici->priv; struct mx3_camera_buffer *buf = to_mx3_vb(vb); - /* This is for locking debugging only */ - INIT_LIST_HEAD(&buf->queue); - sg_init_table(&buf->sg, 1); + if (!buf->txd) { + /* This is for locking debugging only */ + INIT_LIST_HEAD(&buf->queue); + sg_init_table(&buf->sg, 1); - buf->state = CSI_BUF_NEEDS_INIT; - - mx3_cam->buf_total += vb2_plane_size(vb, 0); + mx3_cam->buf_total += vb2_plane_size(vb, 0); + } return 0; } |