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>

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index acc4b6e..687af72 100644 (file)
--- 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);

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 353db8d..50b7c7d 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -974,7 +974,6 @@ void pci_intx(struct pci_dev *dev, int enable);
 bool pci_intx_mask_supported(struct pci_dev *dev);
 bool pci_check_and_mask_intx(struct pci_dev *dev);
 bool pci_check_and_unmask_intx(struct pci_dev *dev);
-void pci_msi_off(struct pci_dev *dev);
 int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size);
 int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask);
 int pci_wait_for_pending(struct pci_dev *dev, int pos, u16 mask);