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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-33471d711ecsm499881a91.4.2025.09.24.19.29.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Sep 2025 19:29:06 -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 v3 09/10] phy: qualcomm: m31-eusb2: Make clkref an optional resource Date: Wed, 24 Sep 2025 19:28:49 -0700 Message-Id: <20250925022850.4133013-10-wesley.cheng@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250925022850.4133013-1-wesley.cheng@oss.qualcomm.com> References: <20250925022850.4133013-1-wesley.cheng@oss.qualcomm.com> MIME-Version: 1.0 X-Proofpoint-GUID: _g-oOCJ-UO0Zcvl1fkvhrnAbkxHQJEme X-Authority-Analysis: v=2.4 cv=YMOfyQGx c=1 sm=1 tr=0 ts=68d4a8f4 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=8inbgvmG2iPteTk8MkMA:9 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTIwMDAwNCBTYWx0ZWRfX7jigKYxx6UXB tIN5k1rM32Kc/IKHiI80LrdGEHf9lySem1zxsedUuT+gfzBSYeInkLilgp66ggCc6wfyq+KBrAP 6k5Nyv+YlJ7w1nTZ5felw+hHsy0jta8WvIxdb6EBiwnsBvfOhLP0WrHAvRaeR3jUenACPK08SAW CiX0ZEKTPT1KYqYe8cYtWZsbbnA4oSgA7To0r0KhWO0/hDkTTqbawAG4F6Xc2LnNnjgbto8xS6+ /1OD1LmCE1NJioTAHcU1oCZYY0mvPJnL7iRwWAv1v0eobVnA9el2sERpB/Sqj6V6qz5/qHhwP/j pSv1oqPVqGAIc3aDqA9/i7CK2jHON7flO32H9NuPdbGrO/WeRtQ4wTh0xrhB2lcHmYFJeES1+fS e3asdE1d X-Proofpoint-ORIG-GUID: _g-oOCJ-UO0Zcvl1fkvhrnAbkxHQJEme 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 impostorscore=0 bulkscore=0 adultscore=0 priorityscore=1501 spamscore=0 clxscore=1015 suspectscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509200004 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250925_032918_257438_579CC404 X-CRM114-Status: GOOD ( 14.15 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org 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"); -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy