[ARM] pxa: fix naming of memory/lcd/core clock functions

Rename pxa25x and pxa27x memory/lcd/core clock functions, and
select the correct version at run time.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h
index 91ab2ad8..0a8a6f8 100644
--- a/arch/arm/mach-pxa/generic.h
+++ b/arch/arm/mach-pxa/generic.h
@@ -26,3 +26,21 @@
 	mi->bank[__nr].size = (__size), \
 	mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27)
 
+#ifdef CONFIG_PXA25x
+extern unsigned pxa25x_get_clk_frequency_khz(int);
+extern unsigned pxa25x_get_memclk_frequency_10khz(void);
+#else
+#define pxa25x_get_clk_frequency_khz(x)		(0)
+#define pxa25x_get_memclk_frequency_10khz()	(0)
+#endif
+
+#ifdef CONFIG_PXA27x
+extern unsigned pxa27x_get_clk_frequency_khz(int);
+extern unsigned pxa27x_get_memclk_frequency_10khz(void);
+extern unsigned pxa27x_get_lcdclk_frequency_10khz(void);
+#else
+#define pxa27x_get_clk_frequency_khz(x)		(0)
+#define pxa27x_get_memclk_frequency_10khz()	(0)
+#define pxa27x_get_lcdclk_frequency_10khz()	(0)
+#endif
+