blackfin: bf60x: cleanup get clock code

Remove redundance code for get clock.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 55fb42b50463d99e81fa6b7152a095099423a5a3..d0246de347cf4356deda5cc80ca3785d564b4e09 100644 (file)
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -888,6 +888,22 @@ void __init native_machine_early_platform_add_devices(void)
 {
 }
 
+#ifdef CONFIG_BF60x
+static inline u_long bfin_get_clk(char *name)
+{
+       struct clk *clk;
+       u_long clk_rate;
+
+       clk = clk_get(NULL, name);
+       if (IS_ERR(clk))
+               return 0;
+
+       clk_rate = clk_get_rate(clk);
+       clk_put(clk);
+       return clk_rate;
+}
+#endif
+
 void __init setup_arch(char **cmdline_p)
 {
        u32 mmr;
@@ -1045,7 +1061,7 @@ void __init setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_BF60x
        printk(KERN_INFO "Processor Speed: %lu MHz core clock, %lu MHz SCLk, %lu MHz SCLK0, %lu MHz SCLK1 and %lu MHz DCLK\n",
-               cclk / 1000000, sclk / 1000000, get_sclk0() / 1000000, get_sclk1() / 1000000, get_dclk() / 1000000);
+               cclk / 1000000, bfin_get_clk("SYSCLK") / 1000000, get_sclk0() / 1000000, get_sclk1() / 1000000, get_dclk() / 1000000);
 #else
        printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",
               cclk / 1000000, sclk / 1000000);
@@ -1146,16 +1162,7 @@ static u_long get_vco(void)
 u_long get_cclk(void)
 {
 #ifdef CONFIG_BF60x
-       struct clk *cclk;
-       u_long cclk_rate;
-
-       cclk = clk_get(NULL, "CCLK");
-       if (IS_ERR(cclk))
-               return 0;
-
-       cclk_rate = clk_get_rate(cclk);
-       clk_put(cclk);
-       return cclk_rate;
+       return bfin_get_clk("CCLK");
 #else
        static u_long cached_cclk_pll_div, cached_cclk;
        u_long csel, ssel;
@@ -1184,53 +1191,26 @@ EXPORT_SYMBOL(get_cclk);
 /* Get the bf60x clock of SCLK0 domain */
 u_long get_sclk0(void)
 {
-       struct clk *sclk0;
-       u_long sclk0_rate;
-
-       sclk0 = clk_get(NULL, "SCLK0");
-       if (IS_ERR(sclk0))
-               return 0;
-
-       sclk0_rate = clk_get_rate(sclk0);
-       clk_put(sclk0);
-       return sclk0_rate;
+       return bfin_get_clk("SCLK0");
 }
 EXPORT_SYMBOL(get_sclk0);
 
 /* Get the bf60x clock of SCLK1 domain */
 u_long get_sclk1(void)
 {
-       struct clk *sclk1;
-       u_long sclk1_rate;
-
-       sclk1 = clk_get(NULL, "SCLK1");
-       if (IS_ERR(sclk1))
-               return 0;
-
-       sclk1_rate = clk_get_rate(sclk1);
-       clk_put(sclk1);
-       return sclk1_rate;
+       return bfin_get_clk("SCLK1");
 }
 EXPORT_SYMBOL(get_sclk1);
 
 /* Get the bf60x DRAM clock */
 u_long get_dclk(void)
 {
-       struct clk *dclk;
-       u_long dclk_rate;
-
-       dclk = clk_get(NULL, "DCLK");
-       if (IS_ERR(dclk))
-               return 0;
-
-       dclk_rate = clk_get_rate(dclk);
-       clk_put(dclk);
-       return dclk_rate;
+       return bfin_get_clk("DCLK");
 }
 EXPORT_SYMBOL(get_dclk);
 #endif
 
-/* Get the System clock */
+/* Get the default system clock */
 u_long get_sclk(void)
 {
 #ifdef CONFIG_BF60x