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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3607ee0cc23sm6195378eec.2.2026.10.16.02.13.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Oct 2026 02:13:39 -0700 (PDT) From: Peter Chen To: Bjorn Andersson , Konrad Dybcio Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov , Abel Vesa , Wesley Cheng , Udipto Goswami , Jack Pham , Pratham Pratap , Krishna Kurapati , Thinh Nguyen , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Chen Subject: [PATCH 1/1] arm64: dts: qcom: glymur: Set snps,resume-hs-terminations for USB controllers Date: Fri, 16 Oct 2026 02:13:36 -0700 Message-ID: <20261016091336.2715717-1-peter.chen@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE2MDAzNiBTYWx0ZWRfXyIVkmJllvQ78 Xj0ZPHBXHXM9EKc7E0tMpoeKmRYBZHR0eIqoWTuPvECIbZxpgKTQbohvVodrKPmvZnwnVpgfIhT sPXmqfxs225T9+2hiqMazYP7zKvzFE8= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE2MDAzNiBTYWx0ZWRfX5g4wie25znhL rmZM9GbstvL8xfCZE9ov4aoOsbdHglgYrQs1608dWOyluRsIKtf0LOfQHL60OS5I0PcT9gA3Ct+ EF9OsLuPaX4WwJKpZXE42GE5vhG4qsKaTiyRZUP9kmZA4+hmIQvJ5OhW15u2w+aJnw0hNWP1Ekc 28+R4s4d5ERH+O0LU3FKbktxWqdux/TUGb2zWoyI0bHBEKhgEuZjI3AZpsixTwDd+OT8TPn3J1j yJjCcecQyfq3bb3X7HwO6BuFNhCiEf0hQZQc57GsBYr8GfuR/mkTTe37Lfi1eOxHs6/eJdeFZUw mfe0lY0I8MpdOMgqYm17kX321+COa7HB9kpFLAvjpiT6qxzFCoKnluLlnBcYSBvusf1ss4qmVi5 VcwOaMDR4i1uBECdbclWDpV0AJPQMkCF8d4mkIV71yiwfDXs1ELFDBUJN8ZVtPhUC9Mwj9GIsnk Zwp/9QrAYKPqMR/MviA== X-Authority-Analysis: v=2.4 cv=P4yvFSAu c=1 sm=1 tr=0 ts=6ad1eac6 cx=c_pps a=wEP8DlPgTf/vqF+yE6f9lg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=5sioUILVtsypdmoVIHwA:9 a=bBxd6f-gb0O0v-kibOvt:22 X-Proofpoint-ORIG-GUID: bfqepRmcEamJ68_3LEZlZdscm00V0T-t X-Proofpoint-GUID: bfqepRmcEamJ68_3LEZlZdscm00V0T-t X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-14_01,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 impostorscore=0 bulkscore=0 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610160036 The DWC3 controllers on Glymur are paired with the M31 eUSB2 PHY. According to HPG, host-mode USB2 L2/L1 resume with this PHY, GUCTL1[10] (RESUME_OPMODE_HS_HOST) must be set. Without this bit setting, USB2 HS device cannot be reset after it is runtime resumed. For example, after: echo on > /sys/bus/usb/devices/1-1/power/control PORTSC.PR never clears (PORTSC = 0xe11) and the hub driver fails with "port_wait_reset: err = -16". Set snps,resume-hs-terminations on all Glymur USB controllers. This makes dwc3 core set GUCTL1[10] and fixes the issue, tested on Glymur CRD. Fixes: 4eee57dd4df9 ("arm64: dts: qcom: glymur: Add USB related nodes") Assisted-by: Claude:claude-opus-5-5 Signed-off-by: Peter Chen --- arch/arm64/boot/dts/qcom/glymur.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi index e269ae6e10ea..023a8448449c 100644 --- a/arch/arm64/boot/dts/qcom/glymur.dtsi +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi @@ -5544,6 +5544,7 @@ usb_0: usb@a600000 { tx-fifo-resize; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,resume-hs-terminations; usb-role-switch; wakeup-source; @@ -5620,6 +5621,7 @@ usb_1: usb@a800000 { tx-fifo-resize; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,resume-hs-terminations; usb-role-switch; wakeup-source; @@ -5696,6 +5698,7 @@ usb_2: usb@a000000 { tx-fifo-resize; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,resume-hs-terminations; usb-role-switch; wakeup-source; @@ -5783,6 +5786,7 @@ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>, tx-fifo-resize; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,resume-hs-terminations; maximum-speed = "high-speed"; @@ -5858,6 +5862,7 @@ usb_mp: usb@a400000 { tx-fifo-resize; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,resume-hs-terminations; dr_mode = "host"; wakeup-source; -- 2.43.0