ARM: sa11x0/pxa: get rid of get_clock_tick_rate

The last user of this function is gone, so remove it. The clock API
should now be used to get clock rates.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>

arch/arm/mach-pxa/generic.c

@@ -43,21 +43,6 @@ void clear_reset_status(unsigned int mask)
 	}
 }
 
-unsigned long get_clock_tick_rate(void)
-{
-	unsigned long clock_tick_rate;
-
-	if (cpu_is_pxa25x())
-		clock_tick_rate = 3686400;
-	else if (machine_is_mainstone())
-		clock_tick_rate = 3249600;
-	else
-		clock_tick_rate = 3250000;
-
-	return clock_tick_rate;
-}
-EXPORT_SYMBOL(get_clock_tick_rate);
-
 /*
  * For non device-tree builds, keep legacy timer init
  */

arch/arm/mach-pxa/include/mach/hardware.h

@@ -303,8 +303,6 @@
  */
 extern unsigned int get_memclk_frequency_10khz(void);
 
-/* return the clock tick rate of the OS timer */
-extern unsigned long get_clock_tick_rate(void);
 #endif
 
 #endif  /* _ASM_ARCH_HARDWARE_H */

arch/arm/mach-sa1100/include/mach/hardware.h

@@ -43,10 +43,6 @@
 # define __REG(x)	(*((volatile unsigned long __iomem *)io_p2v(x)))
 # define __PREG(x)	(io_v2p((unsigned long)&(x)))
 
-static inline unsigned long get_clock_tick_rate(void)
-{
-	return 3686400;
-}
 #else
 
 # define __REG(x)	io_p2v(x)