From: Niklas Cassel <cassel@kernel.org>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Val Packett" <val@packett.cool>
Cc: "Jingoo Han" <jingoohan1@gmail.com>,
"Manivannan Sadhasivam" <mani@kernel.org>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Heiko Stuebner" <heiko@sntech.de>,
"FUKAUMI Naoki" <naoki@radxa.com>,
linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH v2] PCI: dwc: Make Link Up IRQ logic handle already powered on PCIe switches
Date: Tue, 9 Dec 2025 08:45:33 +0100 [thread overview]
Message-ID: <aTfTnZfLDlt24ZKw@ryzen> (raw)
In-Reply-To: <5cdf685c-5a37-1b65-3e87-9262f3ed7bd4@linux.intel.com>
Hello Ilpo,
On Tue, Dec 09, 2025 at 09:11:37AM +0200, Ilpo Järvinen wrote:
>
> Now this patch looks interesting (and managed to catch my attention
> despite being a controllers/ patch).
>
> You're only talking about bus number allocations here but we did hit a
> similar problem with bridge window allocations where not enough
> information is available at the time of the initial scan + resource
> allocation (currently it is one of the issues that prevents fixing one
> resource overlap bug):
>
> https://lore.kernel.org/linux-pci/8f9c9950-1612-6e2d-388a-ce69cf3aae1a@linux.intel.com/
I'm quite sure that Val's problem will be solved by applying:
https://lore.kernel.org/linux-pci/20251124-pci-pwrctrl-rework-v1-0-78a72627683d@oss.qualcomm.com/
If not, he could try applying the above series, and then this patch on top.
Kind regards,
Niklas
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prev parent reply other threads:[~2025-12-09 7:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-01 6:36 [PATCH v2] PCI: dwc: Make Link Up IRQ logic handle already powered on PCIe switches Niklas Cassel
2025-12-01 6:40 ` Niklas Cassel
2025-12-08 5:45 ` Niklas Cassel
2025-12-08 6:20 ` Krishna Chaitanya Chundru
2025-12-09 5:12 ` Niklas Cassel
2025-12-09 5:27 ` Krishna Chaitanya Chundru
2025-12-09 5:36 ` Niklas Cassel
2025-12-12 3:52 ` Manivannan Sadhasivam
2025-12-12 6:37 ` Niklas Cassel
2025-12-22 6:15 ` Manivannan Sadhasivam
2025-12-09 7:11 ` Ilpo Järvinen
2025-12-09 7:45 ` Niklas Cassel [this message]
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