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PCI/MSI: Make pci_enable_msi/msix() 'nvec' argument type as int

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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>
This commit is contained in:
Alexander Gordeev 2013-12-16 09:34:58 +01:00 committed by Bjorn Helgaas
parent 8ec5db6b20
commit 52179dc9ed
3 changed files with 7 additions and 7 deletions
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2
Documentation/PCI/MSI-HOWTO.txt
View File

@ -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

4
drivers/pci/msi.c
View File

@ -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;

8
include/linux/pci.h
View File

@ -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);