Does this patch will be working correctly on 300 Mhz ???

From bf4f5250117cd65a78903b8ce302499806416ed1 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Mon, 4 Aug 2014 09:52:22 +0200
Subject: [PATCH 11/57] MIPS: ralink: add rt2880 wmac clock

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 arch/mips/ralink/rt288x.c |    3 ++-
 1 file changed, 4 insertions(+), 3 deletion(-)

--- a/arch/mips/ralink/rt288x.c
+++ b/arch/mips/ralink/rt288x.c
@@ -76,16 +76,18 @@ struct ralink_pinmux rt_gpio_pinmux = {
 
 void __init ralink_clk_init(void)
 {
-    unsigned long cpu_rate;
+    unsigned long cpu_rate, wmac_rate = 40000000;
     u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG);
     t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
 
     switch (t) {
     case SYSTEM_CONFIG_CPUCLK_250:
-        cpu_rate = 250000000;
+//        cpu_rate = 250000000;
+        cpu_rate = 300000000;
         break;
     case SYSTEM_CONFIG_CPUCLK_266:
-        cpu_rate = 266666667;
+//        cpu_rate = 266666667;
+        cpu_rate = 300000000;
         break;
     case SYSTEM_CONFIG_CPUCLK_280:
         cpu_rate = 280000000;
@@ -101,6 +103,7 @@ void __init ralink_clk_init(void)
     ralink_clk_add("300500.uart", cpu_rate / 2);
     ralink_clk_add("300c00.uartlite", cpu_rate / 2);
     ralink_clk_add("400000.ethernet", cpu_rate / 2);
+    ralink_clk_add("480000.wmac", wmac_rate);
 }
 
 void __init ralink_of_remap(void)