[resend PATCH v6 05/12] media: mtk-mdp: Check return value of of_clk_get

matthias.bgg
2019-12-07T22:48:34Z

From: Matthias Brugger <mbrugger@suse.com>

Check the return value of of_clk_get and print an error
message if not EPROBE_DEFER.

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
---
drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
index 9afe8161a8c0..4e2fc1337b80 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
@@ -110,6 +110,12 @@ int mtk_mdp_comp_init(struct device *dev, struct device_node *node,

for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
comp->clk[i] = of_clk_get(node, i);
+ if (IS_ERR(comp->clk[i])i) {
+ if (PTR_ERR(comp->clk[i] != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get clock\n");
+
+ return PTR_ERR(comp->clk[i]);
+ }

/* Only RDMA needs two clocks */
if (comp->type != MTK_MDP_RDMA)
--
2.24.0