From 27b9a6f9e8fe1403958b0a9fa16ed53cb3a5aa1d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Niklas=20S=C3=B6derlund?= Date: Fri, 9 Jul 2021 16:25:53 +0200 Subject: [PATCH] media: rcar-vin: Improve reuse of parallel notifier MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit In preparation for adding a new media graph layout move the code reuse of the parallel notifier setup from probe directly to the current media graph initialization function. This is needed as there will be no parallel interface in the new graph layout. Signed-off-by: Niklas Söderlund Reviewed-by: Jacopo Mondi Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/rcar-vin/rcar-core.c | 47 ++++++++++----------- 1 file changed, 22 insertions(+), 25 deletions(-) diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index 2957fa10252fd..674766be1ad59 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -702,9 +702,8 @@ static int rvin_parallel_init(struct rvin_dev *vin) if (ret) return ret; - /* If using mc, it's fine not to have any input registered. */ if (!vin->parallel.asd) - return vin->info->use_mc ? 0 : -ENODEV; + return -ENODEV; vin_dbg(vin, "Found parallel subdevice %pOF\n", to_of_node(vin->parallel.asd->match.fwnode)); @@ -955,11 +954,10 @@ static int rvin_mc_parse_of_graph(struct rvin_dev *vin) static void rvin_csi2_cleanup(struct rvin_dev *vin) { - if (!vin->info->use_mc) - return; - + rvin_parallel_cleanup(vin); rvin_group_notifier_cleanup(vin); rvin_group_put(vin); + rvin_free_controls(vin); } static int rvin_csi2_init(struct rvin_dev *vin) @@ -979,11 +977,18 @@ static int rvin_csi2_init(struct rvin_dev *vin) if (ret) goto err_controls; + /* It's OK to not have a parallel subdevice. */ + ret = rvin_parallel_init(vin); + if (ret && ret != -ENODEV) + goto err_group; + ret = rvin_mc_parse_of_graph(vin); if (ret) - goto err_group; + goto err_parallel; return 0; +err_parallel: + rvin_parallel_cleanup(vin); err_group: rvin_group_put(vin); err_controls: @@ -1473,27 +1478,20 @@ static int rcar_vin_probe(struct platform_device *pdev) platform_set_drvdata(pdev, vin); - if (vin->info->use_mc) { + if (vin->info->use_mc) ret = rvin_csi2_init(vin); - if (ret) - goto error_dma_unregister; - } + else + ret = rvin_parallel_init(vin); - ret = rvin_parallel_init(vin); - if (ret) - goto error_group_unregister; + if (ret) { + rvin_dma_unregister(vin); + return ret; + } pm_suspend_ignore_children(&pdev->dev, true); pm_runtime_enable(&pdev->dev); return 0; -error_group_unregister: - rvin_free_controls(vin); - rvin_csi2_cleanup(vin); -error_dma_unregister: - rvin_dma_unregister(vin); - - return ret; } static int rcar_vin_remove(struct platform_device *pdev) @@ -1504,11 +1502,10 @@ static int rcar_vin_remove(struct platform_device *pdev) rvin_v4l2_unregister(vin); - rvin_parallel_cleanup(vin); - - rvin_csi2_cleanup(vin); - - rvin_free_controls(vin); + if (vin->info->use_mc) + rvin_csi2_cleanup(vin); + else + rvin_parallel_cleanup(vin); rvin_dma_unregister(vin); -- 2.30.2