diff mbox series

[v8,3/6] media: mtk-mdp: Check return value of of_clk_get

Message ID 20200220172147.919996-4-enric.balletbo@collabora.com (mailing list archive)
State New, archived
Headers show
Series arm/arm64: mediatek: Fix mmsys device probing | expand

Commit Message

Enric Balletbo i Serra Feb. 20, 2020, 5:21 p.m. UTC 
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>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
---

Changes in v8: None
Changes in v7:
- Fix check of return value of of_clk_get
- Fix identation

 drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
index 0c4788af78dd..58abfbdfb82d 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])) {
+			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)