u32 mask480;
u32 mask528;
+
+ if (is_cpu_type(MXC_CPU_MX6SX))
+ return;
+
/* Due to hardware limitation, on MX6Q we need to gate/ungate all PFDs
* to make sure PFD is working right, otherwise, PFDs may
* not output clock after reset, MX6DL and MX6SL have added 396M pfd