1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #ifndef __ACPI_VIOT_H__ 4 #define __ACPI_VIOT_H__ 5 6 #include <linux/acpi.h> 7 8 #ifdef CONFIG_ACPI_VIOT 9 void __init acpi_viot_early_init(void); 10 void __init acpi_viot_init(void); 11 int viot_iommu_configure(struct device *dev); 12 #else 13 static inline void acpi_viot_early_init(void) {} 14 static inline void acpi_viot_init(void) {} 15 static inline int viot_iommu_configure(struct device *dev) 16 { 17 return -ENODEV; 18 } 19 #endif 20 21 #endif /* __ACPI_VIOT_H__ */ 22