diff options
Diffstat (limited to 'drivers/media/platform/coda.c')
| -rw-r--r-- | drivers/media/platform/coda.c | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index 73460de..0894d800 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -2381,15 +2381,17 @@ static int coda_open(struct file *file) int ret; int idx; - idx = coda_next_free_instance(dev); - if (idx >= CODA_MAX_INSTANCES) - return -EBUSY; - set_bit(idx, &dev->instance_mask); - ctx = kzalloc(sizeof *ctx, GFP_KERNEL); if (!ctx) return -ENOMEM; + idx = coda_next_free_instance(dev); + if (idx >= CODA_MAX_INSTANCES) { + ret = -EBUSY; + goto err_coda_max; + } + set_bit(idx, &dev->instance_mask); + INIT_WORK(&ctx->skip_run, coda_skip_run); v4l2_fh_init(&ctx->fh, video_devdata(file)); file->private_data = &ctx->fh; @@ -2403,6 +2405,9 @@ static int coda_open(struct file *file) default: ctx->reg_idx = idx; } + + clk_prepare_enable(dev->clk_per); + clk_prepare_enable(dev->clk_ahb); set_default_params(ctx); ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &coda_queue_init); @@ -2411,12 +2416,12 @@ static int coda_open(struct file *file) v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n", __func__, ret); - goto err; + goto err_ctx_init; } ret = coda_ctrls_setup(ctx); if (ret) { v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n"); - goto err; + goto err_ctrls_setup; } ctx->fh.ctrl_handler = &ctx->ctrls; @@ -2424,7 +2429,7 @@ static int coda_open(struct file *file) ret = coda_alloc_context_buf(ctx, &ctx->parabuf, CODA_PARA_BUF_SIZE); if (ret < 0) { v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf"); - goto err; + goto err_dma_alloc; } ctx->bitstream.size = CODA_MAX_FRAME_SIZE; @@ -2433,7 +2438,7 @@ static int coda_open(struct file *file) if (!ctx->bitstream.vaddr) { v4l2_err(&dev->v4l2_dev, "failed to allocate bitstream ringbuffer"); ret = -ENOMEM; - goto err; + goto err_dma_writecombine; } kfifo_init(&ctx->bitstream_fifo, ctx->bitstream.vaddr, ctx->bitstream.size); @@ -2444,17 +2449,27 @@ static int coda_open(struct file *file) list_add(&ctx->list, &dev->instances); coda_unlock(ctx); - clk_prepare_enable(dev->clk_per); - clk_prepare_enable(dev->clk_ahb); - v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n", ctx->idx, ctx); return 0; -err: +err_dma_writecombine: + coda_free_context_buffers(ctx); + if (ctx->dev->devtype->product == CODA_DX6) + coda_free_aux_buf(dev, &ctx->workbuf); + coda_free_aux_buf(dev, &ctx->parabuf); +err_dma_alloc: + v4l2_ctrl_handler_free(&ctx->ctrls); +err_ctrls_setup: + v4l2_m2m_ctx_release(ctx->m2m_ctx); +err_ctx_init: + clk_disable_unprepare(dev->clk_ahb); + clk_disable_unprepare(dev->clk_per); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); + clear_bit(ctx->idx, &dev->instance_mask); +err_coda_max: kfree(ctx); return ret; } @@ -2496,8 +2511,8 @@ static int coda_release(struct file *file) coda_free_aux_buf(dev, &ctx->parabuf); v4l2_ctrl_handler_free(&ctx->ctrls); - clk_disable_unprepare(dev->clk_per); clk_disable_unprepare(dev->clk_ahb); + clk_disable_unprepare(dev->clk_per); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); clear_bit(ctx->idx, &dev->instance_mask); |