diff options
Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-is.c')
-rw-r--r-- | drivers/media/platform/exynos4-is/fimc-is.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c index 9770fa98d6a1..13a4228952e3 100644 --- a/drivers/media/platform/exynos4-is/fimc-is.c +++ b/drivers/media/platform/exynos4-is/fimc-is.c @@ -781,6 +781,9 @@ static int fimc_is_debugfs_create(struct fimc_is *is) return is->debugfs_entry == NULL ? -EIO : 0; } +static int fimc_is_runtime_resume(struct device *dev); +static int fimc_is_runtime_suspend(struct device *dev); + static int fimc_is_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -835,14 +838,20 @@ static int fimc_is_probe(struct platform_device *pdev) } pm_runtime_enable(dev); + if (!pm_runtime_enabled(dev)) { + ret = fimc_is_runtime_resume(dev); + if (ret < 0) + goto err_irq; + } + ret = pm_runtime_get_sync(dev); if (ret < 0) - goto err_irq; + goto err_pm; is->alloc_ctx = vb2_dma_contig_init_ctx(dev); if (IS_ERR(is->alloc_ctx)) { ret = PTR_ERR(is->alloc_ctx); - goto err_irq; + goto err_pm; } /* * Register FIMC-IS V4L2 subdevs to this driver. The video nodes @@ -867,10 +876,13 @@ static int fimc_is_probe(struct platform_device *pdev) err_dfs: fimc_is_debugfs_remove(is); -err_vb: - vb2_dma_contig_cleanup_ctx(is->alloc_ctx); err_sd: fimc_is_unregister_subdevs(is); +err_vb: + vb2_dma_contig_cleanup_ctx(is->alloc_ctx); +err_pm: + if (!pm_runtime_enabled(dev)) + fimc_is_runtime_suspend(dev); err_irq: free_irq(is->irq, is); err_clk: @@ -919,10 +931,13 @@ static int fimc_is_suspend(struct device *dev) static int fimc_is_remove(struct platform_device *pdev) { - struct fimc_is *is = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + struct fimc_is *is = dev_get_drvdata(dev); - pm_runtime_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); + pm_runtime_disable(dev); + pm_runtime_set_suspended(dev); + if (!pm_runtime_status_suspended(dev)) + fimc_is_runtime_suspend(dev); free_irq(is->irq, is); fimc_is_unregister_subdevs(is); vb2_dma_contig_cleanup_ctx(is->alloc_ctx); |