aspeed: Make SCU lock/unlock functions part of SCU API
[platform/kernel/u-boot.git] / drivers / clk / aspeed / clk_ast2500.c
index 26a5e58..5047312 100644 (file)
@@ -132,20 +132,6 @@ static ulong ast2500_clk_get_rate(struct clk *clk)
        return rate;
 }
 
-static void ast2500_scu_unlock(struct ast2500_scu *scu)
-{
-       writel(SCU_UNLOCK_VALUE, &scu->protection_key);
-       while (!readl(&scu->protection_key))
-               ;
-}
-
-static void ast2500_scu_lock(struct ast2500_scu *scu)
-{
-       writel(~SCU_UNLOCK_VALUE, &scu->protection_key);
-       while (readl(&scu->protection_key))
-               ;
-}
-
 static ulong ast2500_configure_ddr(struct ast2500_scu *scu, ulong rate)
 {
        ulong clkin = ast2500_get_clkin(scu);
@@ -197,9 +183,9 @@ static ulong ast2500_configure_ddr(struct ast2500_scu *scu, ulong rate)
            | (best_num << SCU_MPLL_NUM_SHIFT)
            | (best_denum << SCU_MPLL_DENUM_SHIFT);
 
-       ast2500_scu_unlock(scu);
+       ast_scu_unlock(scu);
        writel(mpll_reg, &scu->m_pll_param);
-       ast2500_scu_lock(scu);
+       ast_scu_lock(scu);
 
        return ast2500_get_mpll_rate(clkin, mpll_reg);
 }