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PCI/MSI: Remove unused pci_msi_off()
pci_msi_off() is unused, so remove it. Removes the exported symbol pci_msi_off(). Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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2 changed files with 0 additions and 34 deletions
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@ -3101,39 +3101,6 @@ bool pci_check_and_unmask_intx(struct pci_dev *dev)
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}
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}
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EXPORT_SYMBOL_GPL(pci_check_and_unmask_intx);
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EXPORT_SYMBOL_GPL(pci_check_and_unmask_intx);
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/**
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* pci_msi_off - disables any MSI or MSI-X capabilities
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* @dev: the PCI device to operate on
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*
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* If you want to use MSI, see pci_enable_msi() and friends.
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* This is a lower-level primitive that allows us to disable
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* MSI operation at the device level.
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*/
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void pci_msi_off(struct pci_dev *dev)
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{
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int pos;
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u16 control;
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/*
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* This looks like it could go in msi.c, but we need it even when
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* CONFIG_PCI_MSI=n. For the same reason, we can't use
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* dev->msi_cap or dev->msix_cap here.
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*/
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pos = pci_find_capability(dev, PCI_CAP_ID_MSI);
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if (pos) {
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pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &control);
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control &= ~PCI_MSI_FLAGS_ENABLE;
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pci_write_config_word(dev, pos + PCI_MSI_FLAGS, control);
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}
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pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
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if (pos) {
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pci_read_config_word(dev, pos + PCI_MSIX_FLAGS, &control);
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control &= ~PCI_MSIX_FLAGS_ENABLE;
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pci_write_config_word(dev, pos + PCI_MSIX_FLAGS, control);
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}
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}
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EXPORT_SYMBOL_GPL(pci_msi_off);
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int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size)
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int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size)
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{
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{
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return dma_set_max_seg_size(&dev->dev, size);
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return dma_set_max_seg_size(&dev->dev, size);
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@ -974,7 +974,6 @@ void pci_intx(struct pci_dev *dev, int enable);
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bool pci_intx_mask_supported(struct pci_dev *dev);
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bool pci_intx_mask_supported(struct pci_dev *dev);
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bool pci_check_and_mask_intx(struct pci_dev *dev);
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bool pci_check_and_mask_intx(struct pci_dev *dev);
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bool pci_check_and_unmask_intx(struct pci_dev *dev);
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bool pci_check_and_unmask_intx(struct pci_dev *dev);
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void pci_msi_off(struct pci_dev *dev);
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int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size);
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int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size);
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int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask);
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int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask);
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int pci_wait_for_pending(struct pci_dev *dev, int pos, u16 mask);
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int pci_wait_for_pending(struct pci_dev *dev, int pos, u16 mask);
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