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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-339b4ea3c3dsm702085a91.5.2025.10.01.15.05.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Oct 2025 15:05:49 -0700 (PDT) From: Wesley Cheng To: krzk+dt@kernel.org, conor+dt@kernel.org, konrad.dybcio@oss.qualcomm.com, 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, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Wesley Cheng Subject: [PATCH v4 09/10] phy: qualcomm: m31-eusb2: Make clkref an optional resource Date: Wed, 1 Oct 2025 15:05:33 -0700 Message-Id: <20251001220534.3166401-10-wesley.cheng@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251001220534.3166401-1-wesley.cheng@oss.qualcomm.com> References: <20251001220534.3166401-1-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=OJoqHCaB c=1 sm=1 tr=0 ts=68dda5bf cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=x6icFKpwvdMA:10 a=EUspDBNiAAAA:8 a=8inbgvmG2iPteTk8MkMA:9 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI3MDAzMiBTYWx0ZWRfXzdzBUvVgNm0x p22dV4HKYG/F79v6CnrLJoeIBmCPeQiKGMEs2TeqGX+VQjfvyYAMgPCKyZ9WmVo6N4sg0PLPDNn D551fOEidT97zIDJMxylXC28yXPY4s0ttSaWcfH2tf7eu4tuzivYY1R4qJNdGPhXjsiZVtKOwKo f5KTV5UWGw++cKaKqPtFl33FDOETtCUx1/4jaeSTh3AvHrsIcyWIB6RsZ8YVcA2kEQLIgtDgy9R uoOCTkn4KKS4sQ/NTfP0cNvyBtylMtcsEi+6T74jyak1LnWxZf2iOsyOIEiVhSUE6v+pHJZTSMj 3TMjAbi19l8VCo1wvwfWlXqYQGpPJFPM0hOvp3dAtu3CV+aEqkVB4e+DJVBvxa1skgBNujkCY13 fcj9m0fdN7Wgh7QY7Uf322IaWTYbDg== X-Proofpoint-ORIG-GUID: 4350tqfZCQVcsNQZiujCMeBN5XHQb8oS X-Proofpoint-GUID: 4350tqfZCQVcsNQZiujCMeBN5XHQb8oS 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=2025-10-01_06,2025-09-29_04,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509270032 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. Reviewed-by: Konrad Dybcio 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/qualco= mm/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 *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");