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Fri, 13 Mar 2026 00:03:41 -0700 (PDT) X-Received: by 2002:a17:902:f690:b0:2ae:5a70:476b with SMTP id d9443c01a7336-2aeca9e0906mr22825295ad.15.1773385421470; Fri, 13 Mar 2026 00:03:41 -0700 (PDT) Received: from [10.218.35.45] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2aece62d0easm15764975ad.39.2026.03.13.00.03.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Mar 2026 00:03:41 -0700 (PDT) Message-ID: <54798338-83b4-4088-b2b1-52c3cde960b2@oss.qualcomm.com> Date: Fri, 13 Mar 2026 12:33:35 +0530 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 v7 0/3] PCI: Add support for PCIe WAKE# interrupt To: Bartosz Golaszewski Cc: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Greg Kroah-Hartman , Danilo Krummrich , Bjorn Helgaas , Linus Walleij , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, quic_vbadigan@quicinc.com, quic_mrana@quicinc.com, sherry.sun@nxp.com, driver-core@lists.linux.dev References: <20260218-wakeirq_support-v7-0-0d4689830207@oss.qualcomm.com> Content-Language: en-US From: Krishna Chaitanya Chundru In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: oUuoNyZ8F41dYSsccCsUiXlBo0r3XUvA X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEzMDA1NSBTYWx0ZWRfX+7SQahUUzmMp na2IFhY4fNfra1C+uNUoEiyArJVOgYa2mFIox2WayxskOZ34TZWnsWEJiKtfRcIDwoTFL2X07bE msNpJ8Mn4rrQh4thXxjv0hUooLL3FYT/ZCFizTFhGEV1LGRflawkVH+E0TmvExtlG3/a6su9lWj 9uJO61vG1Jgw3n2+nyhEd1t53BnrRfatANsVW2aHPm4bk17IrG+neVvLg9U3rJ83Lmka0TL85As /wYkJW2SwLfiYDksAR7ja0xd7YotsecLPuIVyHxKQkFh39pWLoqlKOLl26CiPM05JzsUzJn9uY8 nBKuslocPUH2trIypTGZMgUXWEGknTaSTovrBmbiGnW9PIrHgZOo6JvqzOpKTLJkT4JECtp2AU/ w4KfGBvwEQOMIn/Z/0ZSnsOk3GTNRKCBQjOe/GRSTE0YSDVVj/jRD0i/voP80qXwSf0/jiIVAoD haoR8TvKrfRaq55xJ8g== X-Authority-Analysis: v=2.4 cv=DsRbOW/+ c=1 sm=1 tr=0 ts=69b3b6cf cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=Ikd4Dj_1AAAA:8 a=s8YR1HE3AAAA:8 a=XA70DKTrLd0yiFKK3swA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 a=jGH_LyMDp9YhSvY-UuyI:22 X-Proofpoint-GUID: oUuoNyZ8F41dYSsccCsUiXlBo0r3XUvA 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=2026-03-13_01,2026-03-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 impostorscore=0 suspectscore=0 adultscore=0 clxscore=1015 bulkscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603130055 On 2/18/2026 3:31 PM, Bartosz Golaszewski wrote: > On Wed, Feb 18, 2026 at 9:12 AM Krishna Chaitanya Chundru > wrote: >> PCIe WAKE# interrupt is needed for bringing back PCIe device state from >> D3cold to D0. >> >> This is pending from long time, there was two attempts done previously to >> add WAKE# support[1], [2]. Those series tried to add support for legacy >> interrupts along with WAKE#. Legacy interrupts are already available in >> the latest kernel and we can ignore them. For the wake IRQ the series is >> trying to use interrupts property define in the device tree. >> >> This series is using gpio property instead of interrupts, from >> gpio desc driver will allocate the dedicate IRQ. >> >> WAKE# is added in dts schema and merged based on this patch. >> https://lore.kernel.org/all/20250515090517.3506772-1-krishna.chundru@oss.qualcomm.com/ >> >> [1]: https://lore.kernel.org/all/b2b91240-95fe-145d-502c-d52225497a34@nvidia.com/T/ >> [2]: https://lore.kernel.org/all/20171226023646.17722-1-jeffy.chen@rock-chips.com/ >> >> Signed-off-by: Krishna Chaitanya Chundru >> --- > This spans three subsystems, how do you want to get it upstream? Hi Bartosz, we can take these patches through pci branch, if all maintainers give us the ack. I will mention this info in the next series cover letter. - Krishna Chaitanya. > > Bartosz