Re: [PATCH V8 1/5] PCI/ASPM: introduce pci_aspm_init() and add to pci_init_capabilities()

From: Sinan Kaya
Date: Fri Apr 14 2017 - 15:10:58 EST


On 4/13/2017 4:51 PM, Bjorn Helgaas wrote:
> I think these can go in drivers/pci/pci.h instead of the public
> include/linux/pci.h. There's no ASPM section in drivers/pci/pci.h
> yet, but I think we should add one.
>
> It looks like the following things from include/linux/pci-aspm.h could
> be moved there as well, since they're only used by the PCI core:
>
> void pcie_aspm_init_link_state(struct pci_dev *pdev);
> void pcie_aspm_exit_link_state(struct pci_dev *pdev);
> void pcie_aspm_pm_state_change(struct pci_dev *pdev);
> void pcie_aspm_powersave_config_link(struct pci_dev *pdev);
> void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);
> void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);
>
> This would be a separate patch.
>

Sure, let me work on this.

>> #else
>> static inline bool pcie_aspm_support_enabled(void) { return false; }
>> +static inline int pci_aspm_init(struct pci_dev *pdev) { return -ENODEV; }
>> #endif


--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.