unsigned long addr = start_addr & ~(lsize - 1);
unsigned long aend = (start_addr + size - 1) & ~(lsize - 1);
+ /* aend will be miscalculated when size is zero, so we return here */
+ if (size == 0)
+ return;
+
while (1) {
cache_op(Hit_Writeback_Inv_D, addr);
cache_op(Hit_Invalidate_I, addr);