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authorBaruch Siach <baruch@tkos.co.il>2013-06-17 11:29:44 +0300
committerChris Zankel <chris@zankel.net>2013-07-08 01:11:37 -0700
commit8102f47ab5fcffc50f3ff94ca9b9073c12c18cc7 (patch)
tree48d788aac62e3036455d834d9df0d11dc0d543b5 /arch/xtensa
parente504c4b6076d9ec1caccaac65803fe3fc29afec8 (diff)
downloadlinux-8102f47ab5fcffc50f3ff94ca9b9073c12c18cc7.tar.gz
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>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/include/asm/delay.h13
-rw-r--r--arch/xtensa/variants/s6000/delay.c3
2 files changed, 4 insertions, 12 deletions
diff --git a/arch/xtensa/include/asm/delay.h b/arch/xtensa/include/asm/delay.h
index 61fc5faeb46..3899610c1df 100644
--- a/arch/xtensa/include/asm/delay.h
+++ b/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)
;
}
diff --git a/arch/xtensa/variants/s6000/delay.c b/arch/xtensa/variants/s6000/delay.c
index baefd3a3c2a..39154563ee1 100644
--- a/arch/xtensa/variants/s6000/delay.c
+++ b/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);