[PATCH v1 3/5] [media] mtk-mdp: handle vpu_wdt_reg_handler() errors during probe

From: Eizan Miyamoto
Date: Tue May 05 2020 - 00:01:34 EST


This is a cleanup to better handle errors during MDP probe.

Signed-off-by: eizan@xxxxxxxxxxxx
Signed-off-by: Eizan Miyamoto <eizan@xxxxxxxxxx>
---

drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
index c20ac7681c6f..f974242663dc 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
@@ -188,8 +188,12 @@ static int mtk_mdp_probe(struct platform_device *pdev)
}

mdp->vpu_dev = vpu_get_plat_device(pdev);
- vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
- VPU_RST_MDP);
+ ret = vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
+ VPU_RST_MDP);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register reset handler\n");
+ goto err_wdt_reg;
+ }

platform_set_drvdata(pdev, mdp);

@@ -206,6 +210,8 @@ static int mtk_mdp_probe(struct platform_device *pdev)

err_set_max_seg_size:

+err_wdt_reg:
+
err_m2m_register:
v4l2_device_unregister(&mdp->v4l2_dev);

--
2.26.2.526.g744177e7f7-goog