diff mbox series

[08/11] phy: phy-mtk-tphy: make the ref clock optional

Message ID 66bb5640a0fedf60a080e9f375468c826c92fd49.1566542697.git.chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [01/11] dt-bindings: phy-mtk-tphy: add two optional properties for u2phy | expand

Commit Message

Chunfeng Yun Aug. 23, 2019, 7 a.m. UTC 
Sometimes the reference clock of USB3 PHY comes from oscillator
directly, and no need refer to a fixed-clock in DTS anymore
if make it optional.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 drivers/phy/mediatek/phy-mtk-tphy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index 4a2dc92f10f5..96c62e3a3300 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -1182,7 +1182,7 @@  static int mtk_tphy_probe(struct platform_device *pdev)
 		if (tphy->u3phya_ref)
 			continue;
 
-		instance->ref_clk = devm_clk_get(&phy->dev, "ref");
+		instance->ref_clk = devm_clk_get_optional(&phy->dev, "ref");
 		if (IS_ERR(instance->ref_clk)) {
 			dev_err(dev, "failed to get ref_clk(id-%d)\n", port);
 			retval = PTR_ERR(instance->ref_clk);