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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-kernel@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-Spam-Details-Enc: AW1haW4tMjYwMTAyMDEwMSBTYWx0ZWRfX/dztT4eyI6L3 WhAyvK7lE7H7gWPMsTl6AZCZfS8WACg8fjKfQiEf+DXj2eUyWC4mHj6e1VYGEq+Yj+K5xdARfbn EnvDfAa6uFj6LIGxpbUDG45+5On9WpouJbbM9wpFHWfNRDaO+blP3ZfsP/0ktKRbH6Bm2xoaav4 Tzu1OyBV6bAue02TBsX3nUpk5JXkDY+VBtQqT4pqxOqTZe+SHlDYsljJWPBCQtPe9iEzBDO+Z+3 UDaFmTdIEZLbm5o49qXl57vY+xI2sudLl6aZR25zJEmNwCHW9qYTGV+r71PyND+zCy6kHnZOHuA wv+U1I3nD6iA/RJ4Df6qNvnmdRtNfIS2qM6HhucsjEu1KKz84KrMa598goO1stMS7M3+yDNuBMN //b5Gz7S6Baw6Y1X2a9HL0Ph8UFByLvREsL+LNYcnsaIlyDgHSx1Hv7wF/n5AnkTo1EsKZqFY0Z 23krBrg740aDuIfhFew== X-Proofpoint-ORIG-GUID: iMkFWrqSSA9pQYrf_qvQbKfZ_sciProx X-Authority-Analysis: v=2.4 cv=d5/4CBjE c=1 sm=1 tr=0 ts=6957ad36 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==: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=dawVfQjAaf238kedN5IG:22 X-Proofpoint-GUID: iMkFWrqSSA9pQYrf_qvQbKfZ_sciProx 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 phishscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 bulkscore=0 spamscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 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