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powerpc/mm: define an empty mm_iommu_init()

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To avoid ifdefs, define a empty static inline mm_iommu_init() function
when CONFIG_SPAPR_TCE_IOMMU is not selected.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy
2019-03-22 08:08:40 +00:00
committed by Michael Ellerman
parent 9c1d38b34e
commit 93f2cd8137
2 changed files with 1 additions and 2 deletions
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arch/powerpc/include/asm/mmu_context.h
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@@ -52,6 +52,7 @@ static inline bool mm_iommu_is_devmem(struct mm_struct *mm, unsigned long hpa,
{
return false;
}
static inline void mm_iommu_init(struct mm_struct *mm) { }
#endif
extern void switch_slb(struct task_struct *tsk, struct mm_struct *mm);
extern void set_context(unsigned long id, pgd_t *pgd);