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author | Bjorn Helgaas <bhelgaas@google.com> | 2015-05-07 09:52:22 -0500 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-05-07 09:52:22 -0500 |
commit | c6201cd8513db2db54b248a862672849ed9ccb82 (patch) | |
tree | 6d1d8117e691558387a999dd8f1d596aaaadeec8 /drivers/pci | |
parent | 96803199b774e0bdc5910d63be5839c4460bd856 (diff) | |
download | linux-c6201cd8513db2db54b248a862672849ed9ccb82.tar.bz2 |
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/pci.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index acc4b6ef78c4..687af7264406 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3101,39 +3101,6 @@ bool pci_check_and_unmask_intx(struct pci_dev *dev) } EXPORT_SYMBOL_GPL(pci_check_and_unmask_intx); -/** - * pci_msi_off - disables any MSI or MSI-X capabilities - * @dev: the PCI device to operate on - * - * If you want to use MSI, see pci_enable_msi() and friends. - * This is a lower-level primitive that allows us to disable - * MSI operation at the device level. - */ -void pci_msi_off(struct pci_dev *dev) -{ - int pos; - u16 control; - - /* - * This looks like it could go in msi.c, but we need it even when - * CONFIG_PCI_MSI=n. For the same reason, we can't use - * dev->msi_cap or dev->msix_cap here. - */ - pos = pci_find_capability(dev, PCI_CAP_ID_MSI); - if (pos) { - pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &control); - control &= ~PCI_MSI_FLAGS_ENABLE; - pci_write_config_word(dev, pos + PCI_MSI_FLAGS, control); - } - pos = pci_find_capability(dev, PCI_CAP_ID_MSIX); - if (pos) { - pci_read_config_word(dev, pos + PCI_MSIX_FLAGS, &control); - control &= ~PCI_MSIX_FLAGS_ENABLE; - pci_write_config_word(dev, pos + PCI_MSIX_FLAGS, control); - } -} -EXPORT_SYMBOL_GPL(pci_msi_off); - int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size) { return dma_set_max_seg_size(&dev->dev, size); |