diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/msi.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h index a112b913fff9..e8a3f3a8a7f4 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -649,6 +649,19 @@ int platform_msi_device_domain_alloc(struct irq_domain *domain, unsigned int vir void platform_msi_device_domain_free(struct irq_domain *domain, unsigned int virq, unsigned int nvec); void *platform_msi_get_host_data(struct irq_domain *domain); + +bool msi_device_has_isolated_msi(struct device *dev); +#else /* CONFIG_GENERIC_MSI_IRQ */ +static inline bool msi_device_has_isolated_msi(struct device *dev) +{ + /* + * Arguably if the platform does not enable MSI support then it has + * "isolated MSI", as an interrupt controller that cannot receive MSIs + * is inherently isolated by our definition. As nobody seems to needs + * this be conservative and return false anyhow. + */ + return false; +} #endif /* CONFIG_GENERIC_MSI_IRQ */ /* PCI specific interfaces */ |