diff options
Diffstat (limited to 'drivers')
39 files changed, 67 insertions, 125 deletions
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c index bb11443ed63e..7559951b2ea4 100644 --- a/drivers/media/pci/sta2x11/sta2x11_vip.c +++ b/drivers/media/pci/sta2x11/sta2x11_vip.c @@ -357,7 +357,7 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) } /* abort streaming and wait for last buffer */ -static int stop_streaming(struct vb2_queue *vq) +static void stop_streaming(struct vb2_queue *vq) { struct sta2x11_vip *vip = vb2_get_drv_priv(vq); struct vip_buffer *vip_buf, *node; @@ -374,7 +374,6 @@ static int stop_streaming(struct vb2_queue *vq) list_del(&vip_buf->list); } spin_unlock(&vip->lock); - return 0; } static struct vb2_ops vip_video_qops = { diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 200bec91182e..dfb09d4ee6d1 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -427,7 +427,7 @@ static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count) return 0; } -static int bcap_stop_streaming(struct vb2_queue *vq) +static void bcap_stop_streaming(struct vb2_queue *vq) { struct bcap_device *bcap_dev = vb2_get_drv_priv(vq); struct ppi_if *ppi = bcap_dev->ppi; @@ -452,7 +452,6 @@ static int bcap_stop_streaming(struct vb2_queue *vq) list_del(&bcap_dev->cur_frm->list); vb2_buffer_done(&bcap_dev->cur_frm->vb, VB2_BUF_STATE_ERROR); } - return 0; } static struct vb2_ops bcap_video_qops = { diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index 3e5199ee5d25..d9b1a0409076 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -2269,7 +2269,7 @@ out: return ret; } -static int coda_stop_streaming(struct vb2_queue *q) +static void coda_stop_streaming(struct vb2_queue *q) { struct coda_ctx *ctx = vb2_get_drv_priv(q); struct coda_dev *dev = ctx->dev; @@ -2295,8 +2295,6 @@ static int coda_stop_streaming(struct vb2_queue *q) ctx->bitstream.vaddr, ctx->bitstream.size); ctx->runcounter = 0; } - - return 0; } static struct vb2_ops coda_qops = { diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c index a9ad949d0c19..4025b1b8aff4 100644 --- a/drivers/media/platform/davinci/vpbe_display.c +++ b/drivers/media/platform/davinci/vpbe_display.c @@ -368,7 +368,7 @@ static int vpbe_start_streaming(struct vb2_queue *vq, unsigned int count) return ret; } -static int vpbe_stop_streaming(struct vb2_queue *vq) +static void vpbe_stop_streaming(struct vb2_queue *vq) { struct vpbe_fh *fh = vb2_get_drv_priv(vq); struct vpbe_layer *layer = fh->layer; @@ -376,7 +376,7 @@ static int vpbe_stop_streaming(struct vb2_queue *vq) unsigned long flags; if (!vb2_is_streaming(vq)) - return 0; + return; /* release all active buffers */ spin_lock_irqsave(&disp->dma_queue_lock, flags); @@ -398,7 +398,6 @@ static int vpbe_stop_streaming(struct vb2_queue *vq) vb2_buffer_done(&layer->next_frm->vb, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&disp->dma_queue_lock, flags); - return 0; } static struct vb2_ops video_qops = { diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index 8dea0b84a3ad..d09a27a23c5d 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -346,7 +346,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) } /* abort streaming and wait for last buffer */ -static int vpif_stop_streaming(struct vb2_queue *vq) +static void vpif_stop_streaming(struct vb2_queue *vq) { struct vpif_fh *fh = vb2_get_drv_priv(vq); struct channel_obj *ch = fh->channel; @@ -354,7 +354,7 @@ static int vpif_stop_streaming(struct vb2_queue *vq) unsigned long flags; if (!vb2_is_streaming(vq)) - return 0; + return; common = &ch->common[VPIF_VIDEO_INDEX]; @@ -390,8 +390,6 @@ static int vpif_stop_streaming(struct vb2_queue *vq) vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&common->irqlock, flags); - - return 0; } static struct vb2_ops video_qops = { diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index aed41edd0501..d03487fb1888 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -308,7 +308,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) } /* abort streaming and wait for last buffer */ -static int vpif_stop_streaming(struct vb2_queue *vq) +static void vpif_stop_streaming(struct vb2_queue *vq) { struct vpif_fh *fh = vb2_get_drv_priv(vq); struct channel_obj *ch = fh->channel; @@ -316,7 +316,7 @@ static int vpif_stop_streaming(struct vb2_queue *vq) unsigned long flags; if (!vb2_is_streaming(vq)) - return 0; + return; common = &ch->common[VPIF_VIDEO_INDEX]; @@ -352,8 +352,6 @@ static int vpif_stop_streaming(struct vb2_queue *vq) vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&common->irqlock, flags); - - return 0; } static struct vb2_ops video_qops = { diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c index d0ea94f58d6f..e434f1f03d7b 100644 --- a/drivers/media/platform/exynos-gsc/gsc-m2m.c +++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c @@ -66,15 +66,13 @@ static int gsc_m2m_start_streaming(struct vb2_queue *q, unsigned int count) return ret > 0 ? 0 : ret; } -static int gsc_m2m_stop_streaming(struct vb2_queue *q) +static void gsc_m2m_stop_streaming(struct vb2_queue *q) { struct gsc_ctx *ctx = q->drv_priv; __gsc_m2m_job_abort(ctx); pm_runtime_put(&ctx->gsc_dev->pdev->dev); - - return 0; } void gsc_m2m_job_finish(struct gsc_ctx *ctx, int vb_state) diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c index 92ae812abce2..3d2babd5067a 100644 --- a/drivers/media/platform/exynos4-is/fimc-capture.c +++ b/drivers/media/platform/exynos4-is/fimc-capture.c @@ -294,15 +294,15 @@ static int start_streaming(struct vb2_queue *q, unsigned int count) return 0; } -static int stop_streaming(struct vb2_queue *q) +static void stop_streaming(struct vb2_queue *q) { struct fimc_ctx *ctx = q->drv_priv; struct fimc_dev *fimc = ctx->fimc_dev; if (!fimc_capture_active(fimc)) - return -EINVAL; + return; - return fimc_stop_capture(fimc, false); + fimc_stop_capture(fimc, false); } int fimc_capture_suspend(struct fimc_dev *fimc) diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c index e92b4e115adb..ced46600e343 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -125,7 +125,7 @@ static int isp_video_capture_start_streaming(struct vb2_queue *q, return ret; } -static int isp_video_capture_stop_streaming(struct vb2_queue *q) +static void isp_video_capture_stop_streaming(struct vb2_queue *q) { struct fimc_isp *isp = vb2_get_drv_priv(q); struct fimc_is *is = fimc_isp_to_is(isp); @@ -134,7 +134,7 @@ static int isp_video_capture_stop_streaming(struct vb2_queue *q) ret = fimc_pipeline_call(&isp->video_capture.ve, set_stream, 0); if (ret < 0) - return ret; + return; dma->cmd = DMA_OUTPUT_COMMAND_DISABLE; dma->notify_dma_done = DMA_OUTPUT_NOTIFY_DMA_DONE_DISABLE; @@ -155,7 +155,6 @@ static int isp_video_capture_stop_streaming(struct vb2_queue *q) clear_bit(ST_ISP_VID_CAP_STREAMING, &isp->state); isp->video_capture.buf_count = 0; - return 0; } static int isp_video_capture_buffer_prepare(struct vb2_buffer *vb) diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index 3ad660b55b6b..630aef52dbb8 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -350,14 +350,14 @@ static int start_streaming(struct vb2_queue *q, unsigned int count) return 0; } -static int stop_streaming(struct vb2_queue *q) +static void stop_streaming(struct vb2_queue *q) { struct fimc_lite *fimc = q->drv_priv; if (!fimc_lite_active(fimc)) - return -EINVAL; + return; - return fimc_lite_stop_capture(fimc, false); + fimc_lite_stop_capture(fimc, false); } static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *pfmt, diff --git a/drivers/media/platform/exynos4-is/fimc-m2m.c b/drivers/media/platform/exynos4-is/fimc-m2m.c index 36971d915b53..d314155da9e4 100644 --- a/drivers/media/platform/exynos4-is/fimc-m2m.c +++ b/drivers/media/platform/exynos4-is/fimc-m2m.c @@ -85,7 +85,7 @@ static int start_streaming(struct vb2_queue *q, unsigned int count) return ret > 0 ? 0 : ret; } -static int stop_streaming(struct vb2_queue *q) +static void stop_streaming(struct vb2_queue *q) { struct fimc_ctx *ctx = q->drv_priv; int ret; @@ -95,7 +95,6 @@ static int stop_streaming(struct vb2_queue *q) fimc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR); pm_runtime_put(&ctx->fimc_dev->pdev->dev); - return 0; } static void fimc_device_run(void *priv) diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c index 8b34c485be79..be4b51212106 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.c +++ b/drivers/media/platform/marvell-ccic/mcam-core.c @@ -1156,7 +1156,7 @@ static int mcam_vb_start_streaming(struct vb2_queue *vq, unsigned int count) return mcam_read_setup(cam); } -static int mcam_vb_stop_streaming(struct vb2_queue *vq) +static void mcam_vb_stop_streaming(struct vb2_queue *vq) { struct mcam_camera *cam = vb2_get_drv_priv(vq); unsigned long flags; @@ -1164,10 +1164,10 @@ static int mcam_vb_stop_streaming(struct vb2_queue *vq) if (cam->state == S_BUFWAIT) { /* They never gave us buffers */ cam->state = S_IDLE; - return 0; + return; } if (cam->state != S_STREAMING) - return -EINVAL; + return; mcam_ctlr_stop_dma(cam); /* * Reset the CCIC PHY after stopping streaming, @@ -1182,7 +1182,6 @@ static int mcam_vb_stop_streaming(struct vb2_queue *vq) spin_lock_irqsave(&cam->dev_lock, flags); INIT_LIST_HEAD(&cam->buffers); spin_unlock_irqrestore(&cam->dev_lock, flags); - return 0; } diff --git a/drivers/media/platform/mem2mem_testdev.c b/drivers/media/platform/mem2mem_testdev.c index 4f3096b17066..0714070ed7fa 100644 --- a/drivers/media/platform/mem2mem_testdev.c +++ b/drivers/media/platform/mem2mem_testdev.c @@ -787,7 +787,7 @@ static int m2mtest_start_streaming(struct vb2_queue *q, unsigned count) return 0; } -static int m2mtest_stop_streaming(struct vb2_queue *q) +static void m2mtest_stop_streaming(struct vb2_queue *q) { struct m2mtest_ctx *ctx = vb2_get_drv_priv(q); struct vb2_buffer *vb; @@ -799,12 +799,11 @@ static int m2mtest_stop_streaming(struct vb2_queue *q) else vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); if (vb == NULL) - return 0; + return; spin_lock_irqsave(&ctx->dev->irqlock, flags); v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR); spin_unlock_irqrestore(&ctx->dev->irqlock, flags); } - return 0; } static struct vb2_ops m2mtest_qops = { diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index 4e4d1631e042..deba425e3d8f 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -435,10 +435,10 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) return 0; } -static int stop_streaming(struct vb2_queue *vq) +static void stop_streaming(struct vb2_queue *vq) { struct camif_vp *vp = vb2_get_drv_priv(vq); - return camif_stop_capture(vp); + camif_stop_capture(vp); } static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *pfmt, diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 8a18972012f7..368b3f6df24b 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -1670,13 +1670,11 @@ static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) return ret > 0 ? 0 : ret; } -static int s5p_jpeg_stop_streaming(struct vb2_queue *q) +static void s5p_jpeg_stop_streaming(struct vb2_queue *q) { struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); pm_runtime_put(ctx->jpeg->dev); - - return 0; } static struct vb2_ops s5p_jpeg_qops = { diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index 8faf9691712d..58b7bbaa2da0 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -1027,7 +1027,7 @@ static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) return 0; } -static int s5p_mfc_stop_streaming(struct vb2_queue *q) +static void s5p_mfc_stop_streaming(struct vb2_queue *q) { unsigned long flags; struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); @@ -1071,7 +1071,6 @@ static int s5p_mfc_stop_streaming(struct vb2_queue *q) } if (aborted) ctx->state = MFCINST_RUNNING; - return 0; } diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index df83cd157bab..458279e5dc80 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -1954,7 +1954,7 @@ static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) return 0; } -static int s5p_mfc_stop_streaming(struct vb2_queue *q) +static void s5p_mfc_stop_streaming(struct vb2_queue *q) { unsigned long flags; struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); @@ -1983,7 +1983,6 @@ static int s5p_mfc_stop_streaming(struct vb2_queue *q) ctx->src_queue_cnt = 0; } spin_unlock_irqrestore(&dev->irqlock, flags); - return 0; } static void s5p_mfc_buf_queue(struct vb2_buffer *vb) diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c index a1ce55fd30f3..9f1e52f0bd09 100644 --- a/drivers/media/platform/s5p-tv/mixer_video.c +++ b/drivers/media/platform/s5p-tv/mixer_video.c @@ -985,7 +985,7 @@ static void mxr_watchdog(unsigned long arg) spin_unlock_irqrestore(&layer->enq_slock, flags); } -static int stop_streaming(struct vb2_queue *vq) +static void stop_streaming(struct vb2_queue *vq) { struct mxr_layer *layer = vb2_get_drv_priv(vq); struct mxr_device *mdev = layer->mdev; @@ -1031,7 +1031,6 @@ static int stop_streaming(struct vb2_queue *vq) mxr_streamer_put(mdev); /* allow changes in output configuration */ mxr_output_put(mdev); - return 0; } static struct vb2_ops mxr_video_qops = { diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index f0b6c900034d..38c723aca438 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -406,7 +406,7 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) } /* abort streaming and wait for last buffer */ -static int stop_streaming(struct vb2_queue *vq) +static void stop_streaming(struct vb2_queue *vq) { struct soc_camera_device *icd = soc_camera_from_vb2q(vq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -433,7 +433,7 @@ static int stop_streaming(struct vb2_queue *vq) if (time_after(jiffies, timeout)) { dev_err(icd->parent, "Timeout waiting for finishing codec request\n"); - return -ETIMEDOUT; + return; } /* Disable interrupts */ @@ -444,8 +444,6 @@ static int stop_streaming(struct vb2_queue *vq) ret = atmel_isi_wait_status(isi, WAIT_ISI_DISABLE); if (ret < 0) dev_err(icd->parent, "Disable ISI timed out\n"); - - return ret; } static struct vb2_ops isi_video_qops = { diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c index 3e844803bdca..b40bc2e5ba47 100644 --- a/drivers/media/platform/soc_camera/mx2_camera.c +++ b/drivers/media/platform/soc_camera/mx2_camera.c @@ -741,7 +741,7 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count) return 0; } -static int mx2_stop_streaming(struct vb2_queue *q) +static void mx2_stop_streaming(struct vb2_queue *q) { struct soc_camera_device *icd = soc_camera_from_vb2q(q); struct soc_camera_host *ici = @@ -773,8 +773,6 @@ static int mx2_stop_streaming(struct vb2_queue *q) dma_free_coherent(ici->v4l2_dev.dev, pcdev->discard_size, b, pcdev->discard_buffer_dma); - - return 0; } static struct vb2_ops mx2_videobuf_ops = { diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c index 9ed81ac6881c..83315dfeef62 100644 --- a/drivers/media/platform/soc_camera/mx3_camera.c +++ b/drivers/media/platform/soc_camera/mx3_camera.c @@ -406,7 +406,7 @@ static int mx3_videobuf_init(struct vb2_buffer *vb) return 0; } -static int mx3_stop_streaming(struct vb2_queue *q) +static void mx3_stop_streaming(struct vb2_queue *q) { struct soc_camera_device *icd = soc_camera_from_vb2q(q); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -430,8 +430,6 @@ static int mx3_stop_streaming(struct vb2_queue *q) } spin_unlock_irqrestore(&mx3_cam->lock, flags); - - return 0; } static struct vb2_ops mx3_videobuf_ops = { diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c index 704eee766487..e594230e84d3 100644 --- a/drivers/media/platform/soc_camera/rcar_vin.c +++ b/drivers/media/platform/soc_camera/rcar_vin.c @@ -513,7 +513,7 @@ static int rcar_vin_videobuf_init(struct vb2_buffer *vb) return 0; } -static int rcar_vin_stop_streaming(struct vb2_queue *vq) +static void rcar_vin_stop_streaming(struct vb2_queue *vq) { struct soc_camera_device *icd = soc_camera_from_vb2q(vq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -524,8 +524,6 @@ static int rcar_vin_stop_streaming(struct vb2_queue *vq) list_for_each_safe(buf_head, tmp, &priv->capture) list_del_init(buf_head); spin_unlock_irq(&priv->lock); - - return 0; } static struct vb2_ops rcar_vin_vb2_ops = { diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c index 3e75a469cd49..20ad4a571d37 100644 --- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c +++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c @@ -471,7 +471,7 @@ static int sh_mobile_ceu_videobuf_init(struct vb2_buffer *vb) return 0; } -static int sh_mobile_ceu_stop_streaming(struct vb2_queue *q) +static void sh_mobile_ceu_stop_streaming(struct vb2_queue *q) { struct soc_camera_device *icd = container_of(q, struct soc_camera_device, vb2_vidq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); @@ -487,7 +487,7 @@ static int sh_mobile_ceu_stop_streaming(struct vb2_queue *q) spin_unlock_irq(&pcdev->lock); - return sh_mobile_ceu_soft_reset(pcdev); + sh_mobile_ceu_soft_reset(pcdev); } static struct vb2_ops sh_mobile_ceu_videobuf_ops = { diff --git a/drivers/media/platform/vivi.c b/drivers/media/platform/vivi.c index 3890f4f42a78..d00bf3df0f8a 100644 --- a/drivers/media/platform/vivi.c +++ b/drivers/media/platform/vivi.c @@ -906,12 +906,11 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) } /* abort streaming and wait for last buffer */ -static int stop_streaming(struct vb2_queue *vq) +static void stop_streaming(struct vb2_queue *vq) { struct vivi_dev *dev = vb2_get_drv_priv(vq); dprintk(dev, 1, "%s\n", __func__); vivi_stop_generating(dev); - return 0; } static void vivi_lock(struct vb2_queue *vq) diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index b48f135ffc01..a0595c17700f 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -720,7 +720,7 @@ static int vsp1_video_start_streaming(struct vb2_queue *vq, unsigned int count) return 0; } -static int vsp1_video_stop_streaming(struct vb2_queue *vq) +static void vsp1_video_stop_streaming(struct vb2_queue *vq) { struct vsp1_video *video = vb2_get_drv_priv(vq); struct vsp1_pipeline *pipe = to_vsp1_pipeline(&video->video.entity); @@ -743,8 +743,6 @@ static int vsp1_video_stop_streaming(struct vb2_queue *vq) spin_lock_irqsave(&video->irqlock, flags); INIT_LIST_HEAD(&video->irqqueue); spin_unlock_irqrestore(&video->irqlock, flags); - - return 0; } static struct vb2_ops vsp1_video_queue_qops = { diff --git a/drivers/media/usb/em28xx/em28xx-v4l.h b/drivers/media/usb/em28xx/em28xx-v4l.h index bce438691e0e..432862c20bbf 100644 --- a/drivers/media/usb/em28xx/em28xx-v4l.h +++ b/drivers/media/usb/em28xx/em28xx-v4l.h @@ -16,5 +16,5 @@ int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count); -int em28xx_stop_vbi_streaming(struct vb2_queue *vq); +void em28xx_stop_vbi_streaming(struct vb2_queue *vq); extern struct vb2_ops em28xx_vbi_qops; diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 0856e5d367b6..cdcd7513e6ec 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -937,7 +937,7 @@ int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) return rc; } -static int em28xx_stop_streaming(struct vb2_queue *vq) +static void em28xx_stop_streaming(struct vb2_queue *vq) { struct em28xx *dev = vb2_get_drv_priv(vq); struct em28xx_dmaqueue *vidq = &dev->vidq; @@ -961,11 +961,9 @@ static int em28xx_stop_streaming(struct vb2_queue *vq) } dev->usb_ctl.vid_buf = NULL; spin_unlock_irqrestore(&dev->slock, flags); - - return 0; } -int em28xx_stop_vbi_streaming(struct vb2_queue *vq) +void em28xx_stop_vbi_streaming(struct vb2_queue *vq) { struct em28xx *dev = vb2_get_drv_priv(vq); struct em28xx_dmaqueue *vbiq = &dev->vbiq; @@ -989,8 +987,6 @@ int em28xx_stop_vbi_streaming(struct vb2_queue *vq) } dev->usb_ctl.vbi_buf = NULL; spin_unlock_irqrestore(&dev->slock, flags); - - return 0; } static void diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c index 84a6720b1d00..a73b0bced96f 100644 --- a/drivers/media/usb/pwc/pwc-if.c +++ b/drivers/media/usb/pwc/pwc-if.c @@ -681,12 +681,11 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) return r; } -static int stop_streaming(struct vb2_queue *vq) +static void stop_streaming(struct vb2_queue *vq) { struct pwc_device *pdev = vb2_get_drv_priv(vq); - if (mutex_lock_interruptible(&pdev->v4l2_lock)) - return -ERESTARTSYS; + mutex_lock(&pdev->v4l2_lock); if (pdev->udev) { pwc_set_leds(pdev, 0, 0); pwc_camera_power(pdev, 0); @@ -695,8 +694,6 @@ static int stop_streaming(struct vb2_queue *vq) pwc_cleanup_queued_bufs(pdev); mutex_unlock(&pdev->v4l2_lock); - - return 0; } static struct vb2_ops pwc_vb_queue_ops = { diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index 1d4ba2b80490..e019dd63ed42 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -714,7 +714,7 @@ static void buffer_queue(struct vb2_buffer *vb) } static int start_streaming(struct vb2_queue *vq, unsigned int count); -static int stop_streaming(struct vb2_queue *vq); +static void stop_streaming(struct vb2_queue *vq); static struct vb2_ops s2255_video_qops = { .queue_setup = queue_setup, @@ -1109,7 +1109,7 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) } /* abort streaming and wait for last buffer */ -static int stop_streaming(struct vb2_queue *vq) +static void stop_streaming(struct vb2_queue *vq) { struct s2255_vc *vc = vb2_get_drv_priv(vq); struct s2255_buffer *buf, *node; @@ -1123,7 +1123,6 @@ static int stop_streaming(struct vb2_queue *vq) buf, buf->vb.v4l2_buf.index); } spin_unlock_irqrestore(&vc->qlock, flags); - return 0; } static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i) diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c index 37bc00f418f1..46e8a5069b37 100644 --- a/drivers/media/usb/stk1160/stk1160-v4l.c +++ b/drivers/media/usb/stk1160/stk1160-v4l.c @@ -583,10 +583,10 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) } /* abort streaming and wait for last buffer */ -static int stop_streaming(struct vb2_queue *vq) +static void stop_streaming(struct vb2_queue *vq) { struct stk1160 *dev = vb2_get_drv_priv(vq); - return stk1160_stop_streaming(dev); + stk1160_stop_streaming(dev); } static struct vb2_ops stk1160_video_qops = { diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c index 20365bd69d05..2967e808408b 100644 --- a/drivers/media/usb/usbtv/usbtv-video.c +++ b/drivers/media/usb/usbtv/usbtv-video.c @@ -634,15 +634,12 @@ static int usbtv_start_streaming(struct vb2_queue *vq, unsigned int count) return usbtv_start(usbtv); } -static int usbtv_stop_streaming(struct vb2_queue *vq) +static void usbtv_stop_streaming(struct vb2_queue *vq) { struct usbtv *usbtv = vb2_get_drv_priv(vq); - if (usbtv->udev == NULL) - return -ENODEV; - - usbtv_stop(usbtv); - return 0; + if (usbtv->udev) + usbtv_stop(usbtv); } static struct vb2_ops usbtv_vb2_ops = { diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 3f0cdb150dfd..f8f694a239f8 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -2086,7 +2086,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q) * buffers. */ if (q->start_streaming_called) - call_qop(q, stop_streaming, q); + call_void_qop(q, stop_streaming, q); q->streaming = 0; q->start_streaming_called = 0; q->queued_count = 0; diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c index 9337d92c5939..7b213a7f9623 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.c +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c @@ -1249,7 +1249,7 @@ static int vpfe_buffer_init(struct vb2_buffer *vb) } /* abort streaming and wait for last buffer */ -static int vpfe_stop_streaming(struct vb2_queue *vq) +static void vpfe_stop_streaming(struct vb2_queue *vq) { struct vpfe_fh *fh = vb2_get_drv_priv(vq); struct vpfe_video_device *video = fh->video; @@ -1272,7 +1272,6 @@ static int vpfe_stop_streaming(struct vb2_queue *vq) list_del(&video->next_frm->list); vb2_buffer_done(&video->next_frm->vb, VB2_BUF_STATE_ERROR); } - return 0; } static void vpfe_buf_cleanup(struct vb2_buffer *vb) diff --git a/drivers/staging/media/dt3155v4l/dt3155v4l.c b/drivers/staging/media/dt3155v4l/dt3155v4l.c index afbc2e519606..14bdc19ec48f 100644 --- a/drivers/staging/media/dt3155v4l/dt3155v4l.c +++ b/drivers/staging/media/dt3155v4l/dt3155v4l.c @@ -262,7 +262,7 @@ dt3155_buf_prepare(struct vb2_buffer *vb) return 0; } -static int +static void dt3155_stop_streaming(struct vb2_queue *q) { struct dt3155_priv *pd = vb2_get_drv_priv(q); @@ -276,7 +276,6 @@ dt3155_stop_streaming(struct vb2_queue *q) } spin_unlock_irq(&pd->lock); msleep(45); /* irq hendler will stop the hardware */ - return 0; } static void diff --git a/drivers/staging/media/go7007/go7007-v4l2.c b/drivers/staging/media/go7007/go7007-v4l2.c index b397aa3c0f44..090b3e6e852a 100644 --- a/drivers/staging/media/go7007/go7007-v4l2.c +++ b/drivers/staging/media/go7007/go7007-v4l2.c @@ -516,7 +516,7 @@ static int go7007_start_streaming(struct vb2_queue *q, unsigned int count) return ret; } -static int go7007_stop_streaming(struct vb2_queue *q) +static void go7007_stop_streaming(struct vb2_queue *q) { struct go7007 *go = vb2_get_drv_priv(q); unsigned long flags; @@ -538,7 +538,6 @@ static int go7007_stop_streaming(struct vb2_queue *q) /* Turn on Capture LED */ if (go->board_id == GO7007_BOARDID_ADS_USBAV_709) go7007_write_addr(go, 0x3c82, 0x000d); - return 0; } static struct vb2_ops go7007_video_qops = { diff --git a/drivers/staging/media/msi3101/sdr-msi3101.c b/drivers/staging/media/msi3101/sdr-msi3101.c index 65d351f99da2..08d0d096b881 100644 --- a/drivers/staging/media/msi3101/sdr-msi3101.c +++ b/drivers/staging/media/msi3101/sdr-msi3101.c @@ -1074,14 +1074,13 @@ static int msi3101_start_streaming(struct vb2_queue *vq, unsigned int count) return ret; } -static int msi3101_stop_streaming(struct vb2_queue *vq) +static void msi3101_stop_streaming(struct vb2_queue *vq) { struct msi3101_state *s = vb2_get_drv_priv(vq); - int ret; + dev_dbg(&s->udev->dev, "%s:\n", __func__); - if (mutex_lock_interruptible(&s->v4l2_lock)) - return -ERESTARTSYS; + mutex_lock(&s->v4l2_lock); if (s->udev) msi3101_isoc_cleanup(s); @@ -1090,22 +1089,15 @@ static int msi3101_stop_streaming(struct vb2_queue *vq) /* according to tests, at least 700us delay is required */ msleep(20); - ret = msi3101_ctrl_msg(s, CMD_STOP_STREAMING, 0); - if (ret) - goto err_sleep_tuner; - - /* sleep USB IF / ADC */ - ret = msi3101_ctrl_msg(s, CMD_WREG, 0x01000003); - if (ret) - goto err_sleep_tuner; + if (!msi3101_ctrl_msg(s, CMD_STOP_STREAMING, 0)) { + /* sleep USB IF / ADC */ + msi3101_ctrl_msg(s, CMD_WREG, 0x01000003); + } -err_sleep_tuner: /* sleep tuner */ - ret = v4l2_subdev_call(s->v4l2_subdev, core, s_power, 0); + v4l2_subdev_call(s->v4l2_subdev, core, s_power, 0); mutex_unlock(&s->v4l2_lock); - - return ret; } static struct vb2_ops msi3101_vb2_ops = { diff --git a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c index 104ee8af79af..093df6b6ae35 100644 --- a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c +++ b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c @@ -1032,13 +1032,12 @@ err: return ret; } -static int rtl2832_sdr_stop_streaming(struct vb2_queue *vq) +static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq) { struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq); dev_dbg(&s->udev->dev, "%s:\n", __func__); - if (mutex_lock_interruptible(&s->v4l2_lock)) - return -ERESTARTSYS; + mutex_lock(&s->v4l2_lock); rtl2832_sdr_kill_urbs(s); rtl2832_sdr_free_urbs(s); @@ -1053,8 +1052,6 @@ static int rtl2832_sdr_stop_streaming(struct vb2_queue *vq) s->d->props->power_ctrl(s->d, 0); mutex_unlock(&s->v4l2_lock); - - return 0; } static struct vb2_ops rtl2832_sdr_vb2_ops = { diff --git a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c index 2cbe088f1697..b8ff113c20f4 100644 --- a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c +++ b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c @@ -745,14 +745,13 @@ static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) return solo_ring_start(solo_enc->solo_dev); } -static int solo_enc_stop_streaming(struct vb2_queue *q) +static void solo_enc_stop_streaming(struct vb2_queue *q) { struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); solo_enc_off(solo_enc); INIT_LIST_HEAD(&solo_enc->vidq_active); solo_ring_stop(solo_enc->solo_dev); - return 0; } static struct vb2_ops solo_enc_video_qops = { diff --git a/drivers/staging/media/solo6x10/solo6x10-v4l2.c b/drivers/staging/media/solo6x10/solo6x10-v4l2.c index 1815f765d033..5d0100eb38e6 100644 --- a/drivers/staging/media/solo6x10/solo6x10-v4l2.c +++ b/drivers/staging/media/solo6x10/solo6x10-v4l2.c @@ -336,13 +336,12 @@ static int solo_start_streaming(struct vb2_queue *q, unsigned int count) return solo_start_thread(solo_dev); } -static int solo_stop_streaming(struct vb2_queue *q) +static void solo_stop_streaming(struct vb2_queue *q) { struct solo_dev *solo_dev = vb2_get_drv_priv(q); solo_stop_thread(solo_dev); INIT_LIST_HEAD(&solo_dev->vidq_active); - return 0; } static void solo_buf_queue(struct vb2_buffer *vb) |