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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba451210e1bsm444593966b.3.2026.04.21.05.52.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Apr 2026 05:52:52 -0700 (PDT) Message-ID: <023375c1-d2ce-472e-8a82-1cb013d31de7@oss.qualcomm.com> Date: Tue, 21 Apr 2026 14:52:48 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6/8] ARM: dts: qcom: apq8064: Fix USB controller clocks To: contact@alex-min.fr, Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , MyungJoo Ham , Chanwoo Choi , Guru Das Srinagesh , Linus Walleij , Rob Clark , Joerg Roedel , Will Deacon , Robin Murphy , Kees Cook , Tony Luck , "Guilherme G. Piccoli" Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, iommu@lists.linux.dev References: <20260421-mainline-send-v1-sending-v1-0-bcb0857724de@alex-min.fr> <20260421-mainline-send-v1-sending-v1-6-bcb0857724de@alex-min.fr> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260421-mainline-send-v1-sending-v1-6-bcb0857724de@alex-min.fr> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIxMDEyOCBTYWx0ZWRfX9kzxG7zMULIc bpPxyxfYRzHHQeJxO99dfUrKn/PSlhT0kKbnG/BPbzBJs21CUBrZU5tncCDkZIaKFGHq3mSem88 X+XRkNL60N6hvawiIMnP8gCyRbi9cqKXicmAqbOYEzpPy8rLBbUU3cvMAUoqxGg5O0UM8+i6IrY zLah0L4VzGoLEFzVnpXuSe3ajpHVceb60ULwBfm++yUQ7WlOnfmccAqNO9gyWFkv/g4OfDOw7a4 kSUAJozckILqfNifFUUYNiXjJQ2b10lqNgk00XFKWLDVWKms98ZCq++2U2k+6a8xQr6QSIRPt0g FAYsFquT+k7EvMPxOTuXH5bdTYgHOOd2dSY4DSRzDTixJ7/jtpas+tfGDnkriAVOe38WNEIM1pl bUpkSDDmfLtCDnMIbJto4Nh2Pwz9onwcJcywplIh/ZU5Ygf8pnQy/qKUzoqmd7ABr6600/Vd6bx 8lx5ZWRZR+9xQOidApw== X-Proofpoint-ORIG-GUID: RUsgYocU_LNsIxB_wy1bnUSMadbz2Ju4 X-Authority-Analysis: v=2.4 cv=YOSvDxGx c=1 sm=1 tr=0 ts=69e77327 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=YCWiAI6G9GZrcvXlVdoA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-GUID: RUsgYocU_LNsIxB_wy1bnUSMadbz2Ju4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-21_02,2026-04-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 adultscore=0 clxscore=1015 spamscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604210128 On 4/21/26 11:45 AM, Alexandre MINETTE via B4 Relay wrote: > From: Alexandre MINETTE > > The APQ8064 HS USB controller nodes describe the transceiver clock as > "core", but the ChipIdea MSM glue expects "core" to be the controller > fabric clock and "fs" to be the transceiver clock. > > This mismatch can leave the fabric clock disabled while the controller is > accessed. Some boards may tolerate that if the clock is already enabled > elsewhere, but it is not a correct description of the hardware. > > Describe the RPM Daytona fabric clock as "core", the AHB clock as > "iface", and the transceiver clock as "fs" for all APQ8064 HS USB > controllers. Without this, USB does not probe reliably on Samsung Galaxy > S4 because the fabric clock remains disabled. > > Signed-off-by: Alexandre MINETTE > --- Acked-by: Konrad Dybcio Konrad