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PCI: remove pci_enable_msix

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Unused now that all callers switched to pci_alloc_irq_vectors.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2017-04-11 13:01:24 +02:00
committed by David S. Miller
parent ce211b172b
commit 4244de1c64
2 changed files with 0 additions and 25 deletions
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21
drivers/pci/msi.c
View File

@@ -973,27 +973,6 @@ static int __pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries,
return msix_capability_init(dev, entries, nvec, affd); return msix_capability_init(dev, entries, nvec, affd);
} }
/**
* pci_enable_msix - configure device's MSI-X capability structure
* @dev: pointer to the pci_dev data structure of MSI-X device function
* @entries: pointer to an array of MSI-X entries (optional)
* @nvec: number of MSI-X irqs requested for allocation by device driver
*
* Setup the MSI-X capability structure of device function with the number
* of requested irqs upon its software driver call to request for
* MSI-X mode enabled on its hardware device function. A return of zero
* indicates the successful configuration of MSI-X capability structure
* with new allocated MSI-X irqs. A return of < 0 indicates a failure.
* Or a return of > 0 indicates that driver request is exceeding the number
* of irqs or MSI-X vectors available. Driver should use the returned value to
* re-send its request.
**/
int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec)
{
return __pci_enable_msix(dev, entries, nvec, NULL);
}
EXPORT_SYMBOL(pci_enable_msix);
void pci_msix_shutdown(struct pci_dev *dev) void pci_msix_shutdown(struct pci_dev *dev)
{ {
struct msi_desc *entry; struct msi_desc *entry;

4
include/linux/pci.h
View File

@@ -1300,7 +1300,6 @@ int pci_msi_vec_count(struct pci_dev *dev);
void pci_msi_shutdown(struct pci_dev *dev); void pci_msi_shutdown(struct pci_dev *dev);
void pci_disable_msi(struct pci_dev *dev); void pci_disable_msi(struct pci_dev *dev);
int pci_msix_vec_count(struct pci_dev *dev); int pci_msix_vec_count(struct pci_dev *dev);
int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec);
void pci_msix_shutdown(struct pci_dev *dev); void pci_msix_shutdown(struct pci_dev *dev);
void pci_disable_msix(struct pci_dev *dev); void pci_disable_msix(struct pci_dev *dev);
void pci_restore_msi_state(struct pci_dev *dev); void pci_restore_msi_state(struct pci_dev *dev);
@@ -1330,9 +1329,6 @@ static inline int pci_msi_vec_count(struct pci_dev *dev) { return -ENOSYS; }
static inline void pci_msi_shutdown(struct pci_dev *dev) { } static inline void pci_msi_shutdown(struct pci_dev *dev) { }
static inline void pci_disable_msi(struct pci_dev *dev) { } static inline void pci_disable_msi(struct pci_dev *dev) { }
static inline int pci_msix_vec_count(struct pci_dev *dev) { return -ENOSYS; } static inline int pci_msix_vec_count(struct pci_dev *dev) { return -ENOSYS; }
static inline int pci_enable_msix(struct pci_dev *dev,
struct msix_entry *entries, int nvec)
{ return -ENOSYS; }
static inline void pci_msix_shutdown(struct pci_dev *dev) { } static inline void pci_msix_shutdown(struct pci_dev *dev) { }
static inline void pci_disable_msix(struct pci_dev *dev) { } static inline void pci_disable_msix(struct pci_dev *dev) { }
static inline void pci_restore_msi_state(struct pci_dev *dev) { } static inline void pci_restore_msi_state(struct pci_dev *dev) { }