[ARM] pxa: mark pxa_set_cken deprecated

Allow the generic clock support code to fiddle with the CKEN register
and mark pxa_set_cken() deprecated.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/generic.c

@@ -123,7 +123,7 @@ EXPORT_SYMBOL(pxa_gpio_set_value);
 /*
  * Routine to safely enable or disable a clock in the CKEN
  */
-void pxa_set_cken(int clock, int enable)
+void __pxa_set_cken(int clock, int enable)
 {
 	unsigned long flags;
 	local_irq_save(flags);
@@ -136,7 +136,7 @@ void pxa_set_cken(int clock, int enable)
 	local_irq_restore(flags);
 }
 
-EXPORT_SYMBOL(pxa_set_cken);
+EXPORT_SYMBOL(__pxa_set_cken);
 
 /*
  * Intel PXA2xx internal register mapping.

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

@@ -116,7 +116,11 @@ extern void pxa_gpio_set_value(unsigned gpio, int value);
 /*
  * Routine to enable or disable CKEN
  */
-extern void pxa_set_cken(int clock, int enable);
+static inline void __deprecated pxa_set_cken(int clock, int enable)
+{
+	extern void __pxa_set_cken(int clock, int enable);
+	__pxa_set_cken(clock, enable);
+}
 
 /*
  * return current memory and LCD clock frequency in units of 10kHz