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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-27ed6ac27d4sm5238105ad.135.2025.09.24.17.52.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Sep 2025 17:52:44 -0700 (PDT) From: Wesley Cheng To: krzk+dt@kernel.org, conor+dt@kernel.org, dmitry.baryshkov@oss.qualcomm.com, kishon@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, robh@kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Wesley Cheng Subject: [PATCH v2 09/10] phy: qualcomm: m31-eusb2: Make clkref an optional resource Date: Wed, 24 Sep 2025 17:52:27 -0700 Message-Id: <20250925005228.4035927-10-wesley.cheng@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250925005228.4035927-1-wesley.cheng@oss.qualcomm.com> References: <20250925005228.4035927-1-wesley.cheng@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=YPqfyQGx c=1 sm=1 tr=0 ts=68d4925e cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=8inbgvmG2iPteTk8MkMA:9 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-ORIG-GUID: qQ_4ZSzj2FbfIIzPBYtXTPJgHvhG_eea X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTIwMDAwMCBTYWx0ZWRfX+1bWVb1lf9H3 wjBof44QpX5aZSpj9xI2DSerRSF6kXWfjGKm2cb0M1Sc3FVijXvyWgdIG5zPwhpRCS9YtasEgtK LDMOVpVJTix4YvNj1UTWhvXuVYiDgzZm4WjHmBox7/hILEIujk8WHaH642+ktl1DumIOCSFkRDv sZ1VgqIkZO8VL54q2pwRcV5Bpbac4Tw9pv6y/aetceKQDTWBHgnsRNaJykuo4P7tAjEENt/xAbS NvDDgy3w+T1ulJ9BthabMhu3sEjx8VcPvgqefyq+lEm5X5KCLJu5yN6LZeDAT/WvWAEQ1FVGvJr DN9m6gXJn8ydgj8wwePRI+9VGnzQRxVcVAN13NQfvt3KDjkCoDQHGo2fuTrLY9Gkurg5vE1VbAQ cfGnwsD4 X-Proofpoint-GUID: qQ_4ZSzj2FbfIIzPBYtXTPJgHvhG_eea 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=2025-09-24_07,2025-09-24_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 priorityscore=1501 phishscore=0 adultscore=0 clxscore=1015 impostorscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509200000 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. Reviewed-by: Dmitry Baryshkov 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/qualcomm/phy-qcom-m31-eusb2.c index 95cd3175926d..f8a00962f937 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 *pdev) if (IS_ERR(phy->reset)) return PTR_ERR(phy->reset); - phy->clk = devm_clk_get(dev, NULL); + phy->clk = 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");