Commit 9043f7e9 authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle
Browse files

Sync c-tx39.c with c-r4k.c. 


    
tx39_flush_cache_range() does nothing if !cpu_has_dc_aliases.  It should
flush d-cache and invalidate i-cache since the TX39(H2) has separate I/D
cache.
    
Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 9d58f302

arch/mips/mm/c-tx39.c

+5 −4
Original line number Diff line number Diff line
@@ -167,16 +167,17 @@ static void tx39_flush_cache_mm(struct mm_struct *mm) 
static void tx39_flush_cache_range(struct vm_area_struct *vma,

	unsigned long start, unsigned long end)

{

	struct mm_struct *mm = vma->vm_mm;

	int exec;



	if (!cpu_has_dc_aliases)

	if (!(cpu_context(smp_processor_id(), vma->vm_mm)))

		return;



	if (cpu_context(smp_processor_id(), mm) != 0) {

	exec = vma->vm_flags & VM_EXEC;

	if (cpu_has_dc_aliases || exec)

		tx39_blast_dcache();

	if (exec)

		tx39_blast_icache();

}

}



static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page, unsigned long pfn)

{