From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chunfeng Yun Subject: [PATCH v2 08/11] phy: phy-mtk-tphy: make the ref clock optional Date: Fri, 30 Aug 2019 15:14:55 +0800 Message-ID: <1567149298-29366-8-git-send-email-chunfeng.yun@mediatek.com> References: <1567149298-29366-1-git-send-email-chunfeng.yun@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1567149298-29366-1-git-send-email-chunfeng.yun@mediatek.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Kishon Vijay Abraham I , Rob Herring Cc: Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chunfeng Yun , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org 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 --- v2: no changes --- drivers/phy/mediatek/phy-mtk-tphy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); -- 2.23.0