On Tue, Sep 06, 2022 at 05:23:47PM -0500, Bjorn Helgaas wrote:
> From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>
> Implement pci_enable_ptm() as a wrapper around an internal
> __pci_enable_ptm() that we can use during resume to enable PTM without
> emitting log messages.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> ---
> drivers/pci/pcie/ptm.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pci/pcie/ptm.c b/drivers/pci/pcie/ptm.c
> index 762299984469..4a9f045126ca 100644
> --- a/drivers/pci/pcie/ptm.c
> +++ b/drivers/pci/pcie/ptm.c
> @@ -152,7 +152,7 @@ void pci_ptm_init(struct pci_dev *dev)
> pci_enable_ptm(dev, NULL);
> }
>
> -int pci_enable_ptm(struct pci_dev *dev, u8 *granularity)
> +static int __pci_enable_ptm(struct pci_dev *dev)
> {
> int ptm = dev->ptm_cap;
> struct pci_dev *ups;
> @@ -177,6 +177,17 @@ int pci_enable_ptm(struct pci_dev *dev, u8 *granularity)
> ctrl |= PCI_PTM_CTRL_ROOT;
>
> pci_write_config_dword(dev, ptm + PCI_PTM_CTRL, ctrl);
> + return 0;
> +}
> +
Same comment here about kernel-doc.
> +int pci_enable_ptm(struct pci_dev *dev, u8 *granularity)
> +{
> + int rc;
> +
> + rc = __pci_enable_ptm(dev);
> + if (rc)
> + return rc;
> +
> dev->ptm_enabled = 1;
>
> pci_ptm_info(dev);
> --
> 2.25.1
