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| author | Alexander Gordeev <agordeev@redhat.com> | 2013-12-16 09:34:58 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-12-20 17:45:05 +0100 |
| commit | 52179dc9edc3b7a2b3bb01cbb1b6c96f6d05fc73 (patch) | |
| tree | b331aa42207a68cafce0bb8758a9474022d52f96 | |
| parent | PCI/MSI: Return -ENOSYS for unimplemented interfaces, not -1 (diff) | |
| download | linux-52179dc9edc3b7a2b3bb01cbb1b6c96f6d05fc73.tar.xz linux-52179dc9edc3b7a2b3bb01cbb1b6c96f6d05fc73.zip | |
PCI/MSI: Make pci_enable_msi/msix() 'nvec' argument type as int
Make pci_enable_msi_block(), pci_enable_msi_block_auto() and
pci_enable_msix() consistent with regard to the type of 'nvec' argument.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | Documentation/PCI/MSI-HOWTO.txt | 2 | ||||
| -rw-r--r-- | drivers/pci/msi.c | 4 | ||||
| -rw-r--r-- | include/linux/pci.h | 8 |
3 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/PCI/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt index a09178086c30..a4d174e95413 100644 --- a/Documentation/PCI/MSI-HOWTO.txt +++ b/Documentation/PCI/MSI-HOWTO.txt @@ -129,7 +129,7 @@ call to succeed. 4.2.3 pci_enable_msi_block_auto -int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *count) +int pci_enable_msi_block_auto(struct pci_dev *dev, int *count) This variation on pci_enable_msi() call allows a device driver to request the maximum possible number of MSIs. The MSI specification only allows diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index a581381e02f2..ce0d4eb91a22 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -855,7 +855,7 @@ static int pci_msi_check_device(struct pci_dev *dev, int nvec, int type) * updates the @dev's irq member to the lowest new interrupt number; the * other interrupt numbers allocated to this device are consecutive. */ -int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec) +int pci_enable_msi_block(struct pci_dev *dev, int nvec) { int status, maxvec; u16 msgctl; @@ -886,7 +886,7 @@ int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec) } EXPORT_SYMBOL(pci_enable_msi_block); -int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec) +int pci_enable_msi_block_auto(struct pci_dev *dev, int *maxvec) { int ret, nvec; u16 msgctl; diff --git a/include/linux/pci.h b/include/linux/pci.h index 3c95efd12f3c..7c34c3913bcb 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1154,13 +1154,13 @@ struct msix_entry { #ifndef CONFIG_PCI_MSI -static inline int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec) +static inline int pci_enable_msi_block(struct pci_dev *dev, int nvec) { return -ENOSYS; } static inline int -pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec) +pci_enable_msi_block_auto(struct pci_dev *dev, int *maxvec) { return -ENOSYS; } @@ -1195,8 +1195,8 @@ static inline int pci_msi_enabled(void) return 0; } #else -int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec); -int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec); +int pci_enable_msi_block(struct pci_dev *dev, int nvec); +int pci_enable_msi_block_auto(struct pci_dev *dev, int *maxvec); void pci_msi_shutdown(struct pci_dev *dev); void pci_disable_msi(struct pci_dev *dev); int pci_msix_table_size(struct pci_dev *dev); |