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| author | Michael Ellerman <michael@ellerman.id.au> | 2007-04-05 09:19:07 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-05-03 04:02:36 +0200 |
| commit | 17bbc12acdb23ffb9613e12ca974fafd31bfcb56 (patch) | |
| tree | bbeb34a927703ba140ca7c7a10c8fc4e85f243bd /drivers/pci/msi.c | |
| parent | MSI: Consolidate precondition checks (diff) | |
| download | linux-17bbc12acdb23ffb9613e12ca974fafd31bfcb56.tar.xz linux-17bbc12acdb23ffb9613e12ca974fafd31bfcb56.zip | |
MSI: Rename pci_msi_supported() to pci_msi_check_device()
As pointed out by Eric, the name pci_msi_supported() suggests it should
return a boolean value, however it doesn't. So update the name to be
a bit less confusing and update the doco too.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/msi.c')
| -rw-r--r-- | drivers/pci/msi.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index b6dc69ef80a7..34087af68833 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -457,15 +457,15 @@ static int msix_capability_init(struct pci_dev *dev, } /** - * pci_msi_supported - check whether MSI may be enabled on device + * pci_msi_check_device - check whether MSI may be enabled on a device * @dev: pointer to the pci_dev data structure of MSI device function * @type: are we checking for MSI or MSI-X ? * * Look at global flags, the device itself, and its parent busses - * to return 0 if MSI are supported for the device. + * to determine if MSI/-X are supported for the device. If MSI/-X is + * supported return 0, else return an error code. **/ -static -int pci_msi_supported(struct pci_dev * dev, int type) +static int pci_msi_check_device(struct pci_dev * dev, int type) { struct pci_bus *bus; @@ -503,7 +503,7 @@ int pci_enable_msi(struct pci_dev* dev) { int status; - if (pci_msi_supported(dev, PCI_CAP_ID_MSI)) + if (pci_msi_check_device(dev, PCI_CAP_ID_MSI)) return -EINVAL; WARN_ON(!!dev->msi_enabled); @@ -601,7 +601,7 @@ int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec) int i, j; u16 control; - if (!entries || pci_msi_supported(dev, PCI_CAP_ID_MSIX)) + if (!entries || pci_msi_check_device(dev, PCI_CAP_ID_MSIX)) return -EINVAL; pos = pci_find_capability(dev, PCI_CAP_ID_MSIX); |