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Tue, 12 May 2026 06:15:02 -0700 (PDT) Received: from [192.168.1.102] ([120.56.206.29]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c8267726df6sm11812694a12.28.2026.05.12.06.14.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2026 06:15:01 -0700 (PDT) From: Manivannan Sadhasivam X-Google-Original-From: Manivannan Sadhasivam To: bhelgaas@google.com, lpieralisi@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, cassel@kernel.org, =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Sai Krishna Musham Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, michal.simek@amd.com, bharat.kumar.gogada@amd.com, thippeswamy.havalige@amd.com In-Reply-To: <20260427121227.290604-1-sai.krishna.musham@amd.com> References: <20260427121227.290604-1-sai.krishna.musham@amd.com> Subject: Re: [PATCH RESEND] PCI: amd-mdb: Assert PERST# on shutdown Message-Id: <177859169720.27951.14088072881655680010.b4-ty@b4> Date: Tue, 12 May 2026 18:44:57 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.15.0 X-Authority-Analysis: v=2.4 cv=fMAJG5ae c=1 sm=1 tr=0 ts=6a0327d9 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=QuRtzvr4xB5J0le8HPcEzQ==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=VwQbUJbxAAAA:8 a=Qp5ySmTnbtObmzP82KMA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-ORIG-GUID: 1GE0kRpOzf22gB2V6d_YSwN7oBH4Tf5K X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTEyMDEzNiBTYWx0ZWRfX382WdsOtHoqv w2UuRkaVsDMwT3dsG0/9e5LDabp8W7rtfWKZaPEIA8rbJGEXItXbFcTYTXJ24p4GJjIRvHgJtao YMaBPS+H0nm2DBUZjzteOJuyq/N/upWin1soKlXNgaeBTZmVNgg1/DqLOulh5Jmx5FDQfFiLz4Z DnaMkQF4gWL8eHsZ0Xu6Ezm3ougWf+olM6vZP5Gvyjb2RezHJdqIxJAwqhL5DKDI6qprRhemZ51 R1L3ESx/PvqNAMY8LGhfLbBxuBB+qOSfTyXNTm3hddB0RBmAg4jQ9r4LnM+bWr1O3xfkLXmNXSR /T+AveKn0q+iv+HgmkJ3/TXDDCbThAQ6P3inYM6hsGCjfV0GjAPtePHCEFs8AjedeutJbnxERms XExFOVIt1e0+wP+0tq/l8xfwEH2ILsEcB8SqLTbZtibywD09EU6EivW4oNQm9T83rz0d5iZ8pdk pEf0xsXviKZKm/l0lJw== X-Proofpoint-GUID: 1GE0kRpOzf22gB2V6d_YSwN7oBH4Tf5K 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=2026-05-11_05,2026-05-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 suspectscore=0 malwarescore=0 clxscore=1015 spamscore=0 adultscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605050000 definitions=main-2605120136 On Mon, 27 Apr 2026 17:42:27 +0530, Sai Krishna Musham wrote: > Add a shutdown handler for the AMD MDB PCIe host controller that > asserts the PERST# signal via GPIO before the system powers off or > reboots. This ensures the connected PCIe endpoint is held in reset > during shutdown. Applied, thanks! [1/1] PCI: amd-mdb: Assert PERST# on shutdown commit: 0492461a0508d88f2b63de4f7f4e71b38078de20 Best regards, -- Manivannan Sadhasivam