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Thu, 09 Jul 2026 06:20:03 -0700 (PDT) X-Received: by 2002:ac8:5a07:0:b0:517:5e32:f3ac with SMTP id d75a77b69052e-51c964106e8mr34227131cf.0.1783603202833; Thu, 09 Jul 2026 06:20:02 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c15df03dccfsm159720566b.62.2026.07.09.06.20.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Jul 2026 06:20:02 -0700 (PDT) Message-ID: <814763aa-d102-4b1e-95aa-01dad1bb3c0e@oss.qualcomm.com> Date: Thu, 9 Jul 2026 15:19:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 4/4] PCI: qcom: enable Link retain logic for Hamoa To: Krishna Chaitanya Chundru , Vinod Koul , Neil Armstrong , Philipp Zabel , Jingoo Han , Manivannan Sadhasivam , Lorenzo Pieralisi , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Qiang Yu References: <20260709-link_retain-v3-0-81a9d187bb61@oss.qualcomm.com> <20260709-link_retain-v3-4-81a9d187bb61@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260709-link_retain-v3-4-81a9d187bb61@oss.qualcomm.com> X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA5MDEzMCBTYWx0ZWRfX68+gsJhzk8AR RDy/rahLkxyy6Qo22o107gCjTv8E/ybIOxm0uLcKXChVYr0HWZcIXUHGcV6K6Jq0Mwo+gTyH7iD R6TssfVWhEs5ek/83n9cRiy04Ead9xc= X-Proofpoint-GUID: SV8i6PGohQeAZZnxxqxYYARPGTuQWEAX X-Proofpoint-ORIG-GUID: SV8i6PGohQeAZZnxxqxYYARPGTuQWEAX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA5MDEzMCBTYWx0ZWRfX+aJgF/0Nh9hU kMKgnPBTmWyeuPqy0UyB6VvCawtQ+OXzKyBJYhqTkWbA3cHKKEBGiqzjvuYWtC0tMZvXj0fX7lJ 7w7LIguC8DlX2GHh4xOYxmLwP4mGBdogAn1CHVTPQ84n8huusesCvXKdoQXrW7SbrCiLCGjwdaI UDDonWfuPulCgI9/l8UuCVeVgoTWc7Zum10WYVTm9uIMEO7Ivr/HliJJ1dj0VPGyFB+zeEEsYN9 HPz3CVkVwjBJ2Go8FqwysqqSymR6pLF3O3QUdUPXBXM4fm6COssPgxss/f3XCvkYXrGU05DguMs +yNQOzGuJyS47IOdOTs+i69crPwblDvpbX4BLFE8lPtnFs8Cxrr+LyTQhvIdkjcghwFJbkYzHLd cSMKwwep54d3UfreWCXnLPzE9tjvCxnJrCE8uNVtyOaR48qoTbC9L/Oto6ql31IdiTshFz2Ga9K mL8VDP2jTCqRV+vpcng== X-Authority-Analysis: v=2.4 cv=H43rBeYi c=1 sm=1 tr=0 ts=6a4fa004 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=6pHcnep46kEejBPVP2gA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-09_02,2026-07-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 adultscore=0 spamscore=0 phishscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607090130 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260709_062006_049691_7EA878F7 X-CRM114-Status: UNSURE ( 8.45 ) X-CRM114-Notice: Please train this message. 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 On 7/9/26 8:35 AM, Krishna Chaitanya Chundru wrote: > The Hamoa platform supports keeping the PCIe link active across > bootloader and kernel handoff. To take advantage of this, introduce a > specific configuration (cfg_x1e80100) with link_retain = true and > update the device match table to use it. > > Tested-by: Qiang Yu > Signed-off-by: Krishna Chaitanya Chundru > --- Reviewed-by: Konrad Dybcio Konrad -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy