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MSI: Add an arch_msi_check_device()

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Add an arch_check_device(), which gives archs a chance to check the input
to pci_enable_msi/x. The arch might be interested in the value of nvec so
pass it in. Propagate the error value returned from the arch routine out
to the caller.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michael Ellerman
2007-04-05 17:19:08 +10:00
committed by Greg Kroah-Hartman
parent 17bbc12acd
commit c9953a73e9
2 changed files with 26 additions and 4 deletions
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include/linux/msi.h
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@ -41,6 +41,7 @@ struct msi_desc {
*/
int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc);
void arch_teardown_msi_irq(unsigned int irq);
extern int arch_msi_check_device(struct pci_dev* dev, int nvec, int type);
#endif /* LINUX_MSI_H */