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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8037ab4f0dsm4573315866b.15.2026.01.02.03.34.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 02 Jan 2026 03:34:12 -0800 (PST) Message-ID: Date: Fri, 2 Jan 2026 12:34:08 +0100 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/7] clk: qcom: gcc: Do not turn off PCIe GDSCs during gdsc_disable() To: Krishna Chaitanya Chundru , Bjorn Andersson , Michael Turquette , Stephen Boyd , Taniya Das , Konrad Dybcio , Bartosz Golaszewski , Shazad Hussain , Sibi Sankar , Bryan O'Donoghue , Melody Olvera , Dmitry Baryshkov , Taniya Das , Dmitry Baryshkov , Imran Shaik , Abel Vesa Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Rajendra Nayak , manivannan.sadhasivam@oss.qualcomm.com, stable@vger.kernel.org References: <20260102-pci_gdsc_fix-v1-0-b17ed3d175bc@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260102-pci_gdsc_fix-v1-0-b17ed3d175bc@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: IwifXGUCm5c3Fiz8ArPVgNIM1hZmpDzw X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTAyMDEwMSBTYWx0ZWRfX5IBWe5B2FerZ G/cn/sAOSSZ9Ji2T9xrJY7haCm2rn8CeE7wQFiqV5sm1xOSEqzb3wPTMsu+qCwfnjSEmCgCH3Hn wHn4CYupQeheyCLdMCb6GnmZ/l9RZNFdgDRqxIhcl1+4ilUos/iKdBWBag1CErCmeWCtrh/bLY0 gr9afm8cD98NNeGkGCzvfUFuzwbtOUIsO6YSXSjwGLrvvftnW9KXFVTfkuLnoknlNNv+rbgwlSu lEZTGxO7uA14QnCwW2CLNfWfHQjCmSNGYmffu5gcehdkGYpu+K4Cda8XJ2vUINx1oBTvcBpKohC jdVOpkpU52Z7w88vOqwsiOysBmEGhmahXRx4G4WkLXBSLhLt/HO94DREqiGaO3R/ZBgacuDznHv YnT94qs+9abIe56ugM41BV1qJM7AQ51VTSWgFMljrOULR2wXtsFNfJ0BqtqDD3qFMU3O3oV4WWO hF3jgA06OVEbAjV7F1Q== X-Proofpoint-GUID: IwifXGUCm5c3Fiz8ArPVgNIM1hZmpDzw X-Authority-Analysis: v=2.4 cv=J9GnLQnS c=1 sm=1 tr=0 ts=6957ad35 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=B3EyukNvg1VkyB4u8sgA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-02_01,2025-12-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 adultscore=0 impostorscore=0 spamscore=0 suspectscore=0 bulkscore=0 malwarescore=0 priorityscore=1501 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601020101 On 1/2/26 10:43 AM, Krishna Chaitanya Chundru wrote: > With PWRSTS_OFF_ON, PCIe GDSCs are turned off during gdsc_disable(). This > can happen during scenarios such as system suspend and breaks the resume > of PCIe controllers from suspend. Isn't turning the GDSCs off what we want though? At least during system suspend? Konrad