powerpc/32: Remove wii_memory_fixups()

wii_memory_fixups() is not called anymore, remove it.

Also remove left-overs in mmu_decl.h which were forgotten by
commit 160985f3025b ("powerpc/wii: remove wii_mmu_mapin_mem2()")

Signed-off-by: Christophe Leroy <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://lore.kernel.org/r/5f2091f8[e-mail]

arch/powerpc/mm/mmu_decl.h

···
 extern phys_addr_t memstart_addr;
 extern phys_addr_t lowmem_end_addr;
 
-#ifdef CONFIG_WII
-extern unsigned long wii_hole_start;
-extern unsigned long wii_hole_size;
-
-extern unsigned long wii_mmu_mapin_mem2(unsigned long top);
-extern void wii_memory_fixups(void);
-#endif
-
 /* ...and now those things that may be slightly different between processor
  * architectures.  -- Dan
  */

arch/powerpc/platforms/embedded6xx/wii.c

···
 #include <linux/seq_file.h>
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
-#include <linux/memblock.h>
-#include <mm/mmu_decl.h>
 
 #include <asm/io.h>
 #include <asm/machdep.h>
···
 
 static void __iomem *hw_ctrl;
 static void __iomem *hw_gpio;
-
-static int __init page_aligned(unsigned long x)
-{
-	return !(x & (PAGE_SIZE-1));
-}
-
-void __init wii_memory_fixups(void)
-{
-	struct memblock_region *p = memblock.memory.regions;
-
-	BUG_ON(memblock.memory.cnt != 2);
-	BUG_ON(!page_aligned(p[0].base) || !page_aligned(p[1].base));
-}
 
 static void __noreturn wii_spin(void)
 {