linux-kernel - Re: [PATCH v3 05/10] PCI/PTM: Add pci_disable

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Message-ID: <YxgsCwOeFJVvItVO@black.fi.intel.com>
Date:   Wed, 7 Sep 2022 08:28:43 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Rajvi Jingar <rajvi.jingar@...ux.intel.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Koba Ko <koba.ko@...onical.com>,
        "David E . Box" <david.e.box@...ux.intel.com>,
        Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        linux-pci@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH v3 05/10] PCI/PTM: Add pci_disable_ptm() wrapper

On Tue, Sep 06, 2022 at 05:23:46PM -0500, Bjorn Helgaas wrote:
> @@ -42,6 +42,13 @@ void pci_disable_ptm(struct pci_dev *dev)
>  	pci_write_config_word(dev, ptm + PCI_PTM_CTRL, ctrl);
>  }

Since you export these, I suggest adding kernel-doc to explain how these
are supposed to be used in drivers (pre-conditions etc.).

> +void pci_disable_ptm(struct pci_dev *dev)
> +{
> +	__pci_disable_ptm(dev);
> +	dev->ptm_enabled = 0;
> +}
> +EXPORT_SYMBOL(pci_disable_ptm);

EXPORT_SYMBOL_GPL()?