powerpc/cell: Make spu_flush_all_slbs() generic

This moves spu_flush_all_slbs() into a generic call copro_flush_all_slbs().

This will be useful when we add cxl which also needs a similar SLB flush call.

Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/mm/hash_utils_64.c

@@ -51,7 +51,7 @@
 #include <asm/cacheflush.h>
 #include <asm/cputable.h>
 #include <asm/sections.h>
-#include <asm/spu.h>
+#include <asm/copro.h>
 #include <asm/udbg.h>
 #include <asm/code-patching.h>
 #include <asm/fadump.h>
@@ -901,9 +901,7 @@ void demote_segment_4k(struct mm_struct *mm, unsigned long addr)
 	if (get_slice_psize(mm, addr) == MMU_PAGE_4K)
 		return;
 	slice_set_range_psize(mm, addr, 1, MMU_PAGE_4K);
-#ifdef CONFIG_SPU_BASE
-	spu_flush_all_slbs(mm);
-#endif
+	copro_flush_all_slbs(mm);
 	if (get_paca_psize(addr) != MMU_PAGE_4K) {
 		get_paca()->context = mm->context;
 		slb_flush_and_rebolt();
@@ -1141,9 +1139,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
 			       "to 4kB pages because of "
 			       "non-cacheable mapping\n");
 			psize = mmu_vmalloc_psize = MMU_PAGE_4K;
-#ifdef CONFIG_SPU_BASE
-			spu_flush_all_slbs(mm);
-#endif
+			copro_flush_all_slbs(mm);
 		}
 	}