Commit 93f2cd81 authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/mm: define an empty mm_iommu_init() 



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

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 9c1d38b3

arch/powerpc/include/asm/mmu_context.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

arch/powerpc/kernel/setup-common.c

+0 −2
Original line number Diff line number Diff line
@@ -931,9 +931,7 @@ void __init setup_arch(char **cmdline_p) 
	init_mm.end_data = (unsigned long) _edata;

	init_mm.brk = klimit;



#ifdef CONFIG_SPAPR_TCE_IOMMU

	mm_iommu_init(&init_mm);

#endif

	irqstack_early_init();

	exc_lvl_early_init();

	emergency_stack_init();

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