[PATCH] clk: spear: Add stub functions for spear3[0|1|2]0_clk_init()

[Axel Lin]

This fixes compile error if one of SPEAr3xx implementations is not selected.

  CC      drivers/clk/spear/spear3xx_clock.o
drivers/clk/spear/spear3xx_clock.c: In function 'spear3xx_clk_init':
drivers/clk/spear/spear3xx_clock.c:599:3: error: implicit declaration of function 'spear300_clk_init' [-Werror=implicit-function-declaration]
drivers/clk/spear/spear3xx_clock.c:601:3: error: implicit declaration of function 'spear310_clk_init' [-Werror=implicit-function-declaration]
drivers/clk/spear/spear3xx_clock.c:603:3: error: implicit declaration of function 'spear320_clk_init' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[3]: *** [drivers/clk/spear/spear3xx_clock.o] Error 1
make[2]: *** [drivers/clk/spear] Error 2
make[1]: *** [drivers/clk] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin at ingics.com>
---
 drivers/clk/spear/spear3xx_clock.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c
index c315745..59049cf 100644
--- a/drivers/clk/spear/spear3xx_clock.c
+++ b/drivers/clk/spear/spear3xx_clock.c
@@ -157,6 +157,8 @@ static void __init spear300_clk_init(void)
 			1);
 	clk_register_clkdev(clk, NULL, "a0000000.kbd");
 }
+#else
+static inline void spear300_clk_init(void) { }
 #endif
 
 /* array of all spear 310 clock lookups */
@@ -197,6 +199,8 @@ static void __init spear310_clk_init(void)
 			1);
 	clk_register_clkdev(clk, NULL, "b2200000.serial");
 }
+#else
+static inline void spear310_clk_init(void) { }
 #endif
 
 /* array of all spear 320 clock lookups */
@@ -336,6 +340,8 @@ static void __init spear320_clk_init(void)
 			&_lock);
 	clk_register_clkdev(clk, NULL, "60100000.serial");
 }
+#else
+static inline void spear320_clk_init(void) { }
 #endif
 
 void __init spear3xx_clk_init(void)
-- 
1.7.9.5