The 030 case in virt_to_phys_slow can't ever be reached, so remove it.
Suggested-by: Michael Schmitz <schmitzmic@xxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
arch/m68k/mm/cache.c | 19 +------------------
1 file changed, 1 insertion(+), 18 deletions(-)
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c
index b486c0889eece..e7c1cabbfac45 100644
--- a/arch/m68k/mm/cache.c
+++ b/arch/m68k/mm/cache.c
@@ -49,24 +49,7 @@ static unsigned long virt_to_phys_slow(unsigned long vaddr)
if (mmusr & MMU_R_040)
return (mmusr & PAGE_MASK) | (vaddr & ~PAGE_MASK);
} else {
- unsigned short mmusr;
- unsigned long *descaddr;
-
- asm volatile ("ptestr %3,%2@,#7,%0\n\t"
- "pmove %%psr,%1"
- : "=a&" (descaddr), "=m" (mmusr)
- : "a" (vaddr), "d" (get_fs().seg));
- if (mmusr & (MMU_I|MMU_B|MMU_L))
- return 0;
- descaddr = phys_to_virt((unsigned long)descaddr);
- switch (mmusr & MMU_NUM) {
- case 1:
- return (*descaddr & 0xfe000000) | (vaddr & 0x01ffffff);
- case 2:
- return (*descaddr & 0xfffc0000) | (vaddr & 0x0003ffff);
- case 3:
- return (*descaddr & PAGE_MASK) | (vaddr & ~PAGE_MASK);
- }
+ WARN_ON_ONCE(!CPU_IS_040_OR_060);
}
return 0;
}
--
2.30.2
