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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b54ff448058sm6178807a12.54.2025.09.19.20.21.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Sep 2025 20:21:24 -0700 (PDT) From: Wesley Cheng To: krzk+dt@kernel.org, conor+dt@kernel.org, kishon@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, robh@kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-phy@lists.infradead.org, Wesley Cheng Subject: [PATCH 8/9] phy: qualcomm: m31-eusb2: Make clkref an optional resource Date: Fri, 19 Sep 2025 20:21:07 -0700 Message-Id: <20250920032108.242643-9-wesley.cheng@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250920032108.242643-1-wesley.cheng@oss.qualcomm.com> References: <20250920032108.242643-1-wesley.cheng@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=YfO95xRf c=1 sm=1 tr=0 ts=68ce1db7 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=8inbgvmG2iPteTk8MkMA:9 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-GUID: MF9e9W3NqyhAhgUBCIOiiomW4xKesecf X-Proofpoint-ORIG-GUID: MF9e9W3NqyhAhgUBCIOiiomW4xKesecf X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTE3MDE4MiBTYWx0ZWRfXyrhQiJt8uMpC DuQkSXiWgL7q13XfDr12G8DKxk+CuhZcEcQEjTXJ4eYByg7ag3RbWlv367owg9Sv+y+uWkXcs6h lHilCyFWHrFFNariZJlU9AdknGsCmP03jTeGSimlyhmgO0WVMywrH3Nl4iLuIP3XJgkAjwVcQ1h XIDbmNd1uiQyJTluCfDcsQTN2k+6xWGLtb33EL+ZUZGcgthTEPrIe0fHwuFx4jsEInERK5IqnS8 t/iall77ljkifXFSbp6ojywz6mE0sLcT9LV7li1gHrhYbTxxcPTViKFatQ5tjhZ98yqFUxKZljF P+68cDfKPcdkIGhlkMsAh8M3Mg3B5fFNRBf/pyc8oZ1zyjM2Y/2F85Fd/NB0xy/nb+VXcCDRF6X 5IaopPL+ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-20_01,2025-09-19_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 spamscore=0 phishscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509170182 Content-Type: text/plain; charset="utf-8" Some USB subsystems that utlize the M31 eUSB2 PHY doesn't require a clkref. One example is the Glymur platform, which contains 4 USB controllers that all utilize the M31 eUSB2 PHY. However, PHYs associated to the primary and secondary controllers do not require a clkref resource. Due to this, mark this as an optional clock. Signed-off-by: Wesley Cheng --- drivers/phy/qualcomm/phy-qcom-m31-eusb2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/phy/qualcomm/phy-qcom-m31-eusb2.c b/drivers/phy/qualco= mm/phy-qcom-m31-eusb2.c index fbf5e999ca7a..f4355d38aad9 100644 --- a/drivers/phy/qualcomm/phy-qcom-m31-eusb2.c +++ b/drivers/phy/qualcomm/phy-qcom-m31-eusb2.c @@ -267,7 +267,7 @@ static int m31eusb2_phy_probe(struct platform_device *p= dev) if (IS_ERR(phy->reset)) return PTR_ERR(phy->reset); =20 - phy->clk =3D devm_clk_get(dev, NULL); + phy->clk =3D devm_clk_get_optional(dev, NULL); if (IS_ERR(phy->clk)) return dev_err_probe(dev, PTR_ERR(phy->clk), "failed to get clk\n");