From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: Re: [PATCH v3 3/5] PCI/pwrctrl: Skip scanning for the device further if pwrctrl device is created
Date: Fri, 21 Feb 2025 23:10:50 +0530 [thread overview]
Message-ID: <20250221174050.olbntmyzqew6ygfu@thinkpad> (raw)
In-Reply-To: <20250220233520.GA319453@bhelgaas>
On Thu, Feb 20, 2025 at 05:35:20PM -0600, Bjorn Helgaas wrote:
> On Thu, Jan 16, 2025 at 07:39:13PM +0530, Manivannan Sadhasivam via B4 Relay wrote:
> > From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> >
> > The pwrctrl core will rescan the bus once the device is powered on. So
> > there is no need to continue scanning for the device further.
>
> > -/*
> > - * Create pwrctrl device (if required) for the PCI device to handle the power
> > - * state.
> > - */
> > -static void pci_pwrctrl_create_device(struct pci_bus *bus, int devfn)
> > +static struct platform_device *pci_pwrctrl_create_device(struct pci_bus *bus, int devfn)
>
> > + * Create pwrctrl device (if required) for the PCI device to handle the
> > + * power state. If the pwrctrl device is created, then skip scanning
> > + * further as the pwrctrl core will rescan the bus after powering on
> > + * the device.
>
> I know you only moved the first sentence, but I think "power state" is
> likely to be confused with the D0, D1, D2, D3hot, D3cold power
> management states. Maybe we could reword this to talk about power
> control, power sequencing, power supplies, power regulators or
> something?
>
Sure. It could be changed to "power control." I hope Krzysztof can ammend it in
the branch.
- Mani
--
மணிவண்ணன் சதாசிவம்
next prev parent reply other threads:[~2025-02-21 17:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-16 14:09 [PATCH v3 0/5] PCI/pwrctrl: Rework pwrctrl driver integration and add driver for PCI slot Manivannan Sadhasivam via B4 Relay
2025-01-16 14:09 ` [PATCH v3 1/5] PCI/pwrctrl: Move creation of pwrctrl devices to pci_scan_device() Manivannan Sadhasivam via B4 Relay
2025-01-16 14:09 ` [PATCH v3 2/5] PCI/pwrctrl: Move pci_pwrctrl_unregister() to pci_destroy_dev() Manivannan Sadhasivam via B4 Relay
2025-01-16 14:09 ` [PATCH v3 3/5] PCI/pwrctrl: Skip scanning for the device further if pwrctrl device is created Manivannan Sadhasivam via B4 Relay
2025-02-20 23:24 ` Bjorn Helgaas
2025-02-21 17:38 ` Manivannan Sadhasivam
2025-02-20 23:35 ` Bjorn Helgaas
2025-02-21 17:40 ` Manivannan Sadhasivam [this message]
2025-03-21 2:59 ` Wei Fang
2025-03-21 4:42 ` Manivannan Sadhasivam
2025-03-21 7:04 ` Wei Fang
2025-03-22 3:23 ` Manivannan Sadhasivam
2025-03-22 11:39 ` Wei Fang
2025-03-24 8:15 ` Manivannan Sadhasivam
2025-03-27 6:02 ` Wei Fang
2025-04-02 8:14 ` Manivannan Sadhasivam
2025-01-16 14:09 ` [PATCH v3 4/5] dt-bindings: vendor-prefixes: Document the 'pciclass' prefix Manivannan Sadhasivam via B4 Relay
2025-01-16 14:09 ` [PATCH v3 5/5] PCI/pwrctrl: Add pwrctrl driver for PCI Slots Manivannan Sadhasivam via B4 Relay
2025-02-20 14:24 ` [PATCH v3 0/5] PCI/pwrctrl: Rework pwrctrl driver integration and add driver for PCI slot Krzysztof Wilczyński
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