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authorChunfeng Yun <chunfeng.yun@mediatek.com>2020-02-11 06:21:13 +0300
committerKishon Vijay Abraham I <kishon@ti.com>2020-03-20 17:04:29 +0300
commit657a9edec0757cc6841672fda8065b2338c6b073 (patch)
tree01a6fb34cf07770b57a57300cca868d1fd17d16a /drivers/phy
parent410572ec08f138502ecd9731ec60c455819f1a0f (diff)
downloadlinux-657a9edec0757cc6841672fda8065b2338c6b073.tar.xz
phy: phy-mtk-tphy: make the ref clock optional
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> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy')
-rw-r--r--drivers/phy/mediatek/phy-mtk-tphy.c2
1 files changed, 1 insertions, 1 deletions
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);