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Code Issues Releases Wiki Activity

PCI/ATS: Remove unnecessary EXPORT_SYMBOL_GPL() 

The following functions are only used by the PCI core or by IOMMU drivers
that cannot be modular, so there's no need to export them at all:

  pci_enable_ats()
  pci_disable_ats()
  pci_restore_ats_state()
  pci_ats_queue_depth()
  pci_ats_page_aligned()

  pci_enable_pri()
  pci_restore_pri_state()
  pci_reset_pri()
  pci_prg_resp_pasid_required()

  pci_enable_pasid()
  pci_disable_pasid()
  pci_restore_pasid_state()
  pci_pasid_features()
  pci_max_pasids()

Remove the unnecessary EXPORT_SYMBOL_GPL()s.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Bjorn Helgaas 2019-10-09 16:41:04 -05:00
parent c6e9aefbf9
commit d355bb2097
1 changed files with 0 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/pci/ats.c
View File

@ -69,7 +69,6 @@ int pci_enable_ats(struct pci_dev *dev, int ps)
dev->ats_enabled = 1;
return 0;
}
EXPORT_SYMBOL_GPL(pci_enable_ats);
/**
* pci_disable_ats - disable the ATS capability
@ -88,7 +87,6 @@ void pci_disable_ats(struct pci_dev *dev)
dev->ats_enabled = 0;
}
EXPORT_SYMBOL_GPL(pci_disable_ats);
void pci_restore_ats_state(struct pci_dev *dev)
{
@ -102,7 +100,6 @@ void pci_restore_ats_state(struct pci_dev *dev)
ctrl |= PCI_ATS_CTRL_STU(dev->ats_stu - PCI_ATS_MIN_STU);
pci_write_config_word(dev, dev->ats_cap + PCI_ATS_CTRL, ctrl);
}
EXPORT_SYMBOL_GPL(pci_restore_ats_state);
/**
* pci_ats_queue_depth - query the ATS Invalidate Queue Depth
@ -129,7 +126,6 @@ int pci_ats_queue_depth(struct pci_dev *dev)
pci_read_config_word(dev, dev->ats_cap + PCI_ATS_CAP, &cap);
return PCI_ATS_CAP_QDEP(cap) ? PCI_ATS_CAP_QDEP(cap) : PCI_ATS_MAX_QDEP;
}
EXPORT_SYMBOL_GPL(pci_ats_queue_depth);
/**
* pci_ats_page_aligned - Return Page Aligned Request bit status.
@ -156,7 +152,6 @@ int pci_ats_page_aligned(struct pci_dev *pdev)
return 0;
}
EXPORT_SYMBOL_GPL(pci_ats_page_aligned);
#ifdef CONFIG_PCI_PRI
void pci_pri_init(struct pci_dev *pdev)
@ -218,7 +213,6 @@ int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
return 0;
}
EXPORT_SYMBOL_GPL(pci_enable_pri);
/**
* pci_disable_pri - Disable PRI capability
@ -271,7 +265,6 @@ void pci_restore_pri_state(struct pci_dev *pdev)
pci_write_config_dword(pdev, pri + PCI_PRI_ALLOC_REQ, reqs);
pci_write_config_word(pdev, pri + PCI_PRI_CTRL, control);
}
EXPORT_SYMBOL_GPL(pci_restore_pri_state);
/**
* pci_reset_pri - Resets device's PRI state
@ -299,7 +292,6 @@ int pci_reset_pri(struct pci_dev *pdev)
return 0;
}
EXPORT_SYMBOL_GPL(pci_reset_pri);
/**
* pci_prg_resp_pasid_required - Return PRG Response PASID Required bit
@ -315,7 +307,6 @@ int pci_prg_resp_pasid_required(struct pci_dev *pdev)
return pdev->pasid_required;
}
EXPORT_SYMBOL_GPL(pci_prg_resp_pasid_required);
#endif /* CONFIG_PCI_PRI */
#ifdef CONFIG_PCI_PASID
@ -373,7 +364,6 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
return 0;
}
EXPORT_SYMBOL_GPL(pci_enable_pasid);
/**
* pci_disable_pasid - Disable the PASID capability
@ -398,7 +388,6 @@ void pci_disable_pasid(struct pci_dev *pdev)
pdev->pasid_enabled = 0;
}
EXPORT_SYMBOL_GPL(pci_disable_pasid);
/**
* pci_restore_pasid_state - Restore PASID capabilities
@ -421,7 +410,6 @@ void pci_restore_pasid_state(struct pci_dev *pdev)
control = PCI_PASID_CTRL_ENABLE | pdev->pasid_features;
pci_write_config_word(pdev, pasid + PCI_PASID_CTRL, control);
}
EXPORT_SYMBOL_GPL(pci_restore_pasid_state);
/**
* pci_pasid_features - Check which PASID features are supported
@ -450,7 +438,6 @@ int pci_pasid_features(struct pci_dev *pdev)
return supported;
}
EXPORT_SYMBOL_GPL(pci_pasid_features);
#define PASID_NUMBER_SHIFT 8
#define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT)
@ -478,5 +465,4 @@ int pci_max_pasids(struct pci_dev *pdev)
return (1 << supported);
}
EXPORT_SYMBOL_GPL(pci_max_pasids);
#endif /* CONFIG_PCI_PASID */