Commit 7d8e7d19 authored by Bjorn Helgaas's avatar Bjorn Helgaas
Browse files

PCI/ASPM: Unexport internal ASPM interfaces 



Several of the interfaces defined in include/linux/pci-aspm.h are used only
internally from the PCI core:

  pcie_aspm_init_link_state()
  pcie_aspm_exit_link_state()
  pcie_aspm_pm_state_change()
  pcie_aspm_powersave_config_link()
  pcie_aspm_create_sysfs_dev_files()
  pcie_aspm_remove_sysfs_dev_files()

Move these to the internal drivers/pci/pci.h header so they don't clutter
the driver interface.

Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent c46fd358

drivers/pci/pci.h

+20 −0
Original line number Diff line number Diff line
@@ -342,6 +342,26 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev, 


void pci_enable_acs(struct pci_dev *dev);



#ifdef CONFIG_PCIEASPM

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);

#else

static inline void pcie_aspm_init_link_state(struct pci_dev *pdev) { }

static inline void pcie_aspm_exit_link_state(struct pci_dev *pdev) { }

static inline void pcie_aspm_pm_state_change(struct pci_dev *pdev) { }

static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev) { }

#endif



#ifdef CONFIG_PCIEASPM_DEBUG

void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);

void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);

#else

static inline void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev) { }

static inline void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev) { }

#endif



#ifdef CONFIG_PCIE_PTM

void pci_ptm_init(struct pci_dev *dev);

#else

include/linux/pci-aspm.h

+2 −33
Original line number Diff line number Diff line
@@ -24,43 +24,12 @@ 
#define PCIE_LINK_STATE_CLKPM	4



#ifdef CONFIG_PCIEASPM

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 pci_disable_link_state(struct pci_dev *pdev, int state);

void pci_disable_link_state_locked(struct pci_dev *pdev, int state);

void pcie_no_aspm(void);

#else

static inline void pcie_aspm_init_link_state(struct pci_dev *pdev)

{

}

static inline void pcie_aspm_exit_link_state(struct pci_dev *pdev)

{

}

static inline void pcie_aspm_pm_state_change(struct pci_dev *pdev)

{

}

static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev)

{

}

static inline void pci_disable_link_state(struct pci_dev *pdev, int state)

{

}

static inline void pcie_no_aspm(void)

{

}

static inline void pci_disable_link_state(struct pci_dev *pdev, int state) { }

static inline void pcie_no_aspm(void) { }

#endif



#ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */

void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);

void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);

#else

static inline void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev)

{

}

static inline void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev)

{

}

#endif

#endif /* LINUX_ASPM_H */

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