No need for a __KERNEL__ guard outside uapi and add a missing comment describing the #else cpp statement. Last but not least include <linux/errno.h> instead of the asm version, which is frowned upon.
Unified · Split
| @@ -16,9 +16,8 @@ · 15 unmodified lines | |||
| 16 | #ifndef __DMA_IOMMU_H | 16 | #ifndef __DMA_IOMMU_H |
| 17 | #define __DMA_IOMMU_H | 17 | #define __DMA_IOMMU_H |
| 18 | 18 | ||
| 19 | #ifdef __KERNEL__ | 19 | #include <linux/errno.h> |
| 20 | #include <linux/types.h> | 20 | #include <linux/types.h> |
| 21 | #include <asm/errno.h> | ||
| 22 | 21 | ||
| 23 | #ifdef CONFIG_IOMMU_DMA | 22 | #ifdef CONFIG_IOMMU_DMA |
| 24 | #include <linux/dma-mapping.h> | 23 | #include <linux/dma-mapping.h> |
| @@ -86,7 +85,7 @@ void iommu_dma_compose_msi_msg(struct msi_desc *desc, · 61 unmodified lines | |||
| 86 | 85 | ||
| 87 | void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list); | 86 | void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list); |
| 88 | 87 | ||
| 89 | #else | 88 | #else /* CONFIG_IOMMU_DMA */ |
| 90 | 89 | ||
| 91 | struct iommu_domain; | 90 | struct iommu_domain; |
| 92 | struct msi_desc; | 91 | struct msi_desc; |
| @@ -128,5 +127,4 @@ static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_he · 35 unmodified lines | |||
| 128 | } | 127 | } |
| 129 | 128 | ||
| 130 | #endif /* CONFIG_IOMMU_DMA */ | 129 | #endif /* CONFIG_IOMMU_DMA */ |
| 131 | #endif /* __KERNEL__ */ | ||
| 132 | #endif /* __DMA_IOMMU_H */ | 130 | #endif /* __DMA_IOMMU_H */ |