xtensa: consolidate ccount access routines

Use get_ccount everywhere; remove xtensa_get_ccount.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Chris Zankel <chris@zankel.net>

arch/xtensa/include/asm/delay.h

@@ -12,7 +12,7 @@
 #ifndef _XTENSA_DELAY_H
 #define _XTENSA_DELAY_H
 
-#include <asm/processor.h>
+#include <asm/timex.h>
 #include <asm/param.h>
 
 extern unsigned long loops_per_jiffy;
@@ -24,24 +24,17 @@ static inline void __delay(unsigned long loops)
 			      : "=r" (loops) : "0" (loops));
 }
 
-static __inline__ u32 xtensa_get_ccount(void)
-{
-	u32 ccount;
-	asm volatile ("rsr %0, ccount\n" : "=r" (ccount));
-	return ccount;
-}
-
 /* For SMP/NUMA systems, change boot_cpu_data to something like
  * local_cpu_data->... where local_cpu_data points to the current
  * cpu. */
 
 static __inline__ void udelay (unsigned long usecs)
 {
-	unsigned long start = xtensa_get_ccount();
+	unsigned long start = get_ccount();
 	unsigned long cycles = usecs * (loops_per_jiffy / (1000000UL / HZ));
 
 	/* Note: all variables are unsigned (can wrap around)! */
-	while (((unsigned long)xtensa_get_ccount()) - start < cycles)
+	while (((unsigned long)get_ccount()) - start < cycles)
 		;
 }
 

arch/xtensa/variants/s6000/delay.c

@@ -1,4 +1,3 @@
-#include <asm/delay.h>
 #include <asm/timex.h>
 #include <asm/io.h>
 #include <variant/hardware.h>
@@ -17,7 +16,7 @@ void platform_calibrate_ccount(void)
 		"1:	l32i %0, %2, 0 ;"
 		"	beq %0, %1, 1b ;"
 		: "=&a"(u) : "a"(t), "a"(tstamp));
-		b = xtensa_get_ccount();
+		b = get_ccount();
 		if (i == LOOPS)
 			a = b;
 	} while (--i >= 0);