[Linux-Xtensa] [PATCH] xtensa: remove CCOUNT_PER_JIFFY

Baruch Siach baruch at tkos.co.il
Sun Jul 14 22:24:22 PDT 2013


Use ccount_freq directly to make the code a little more readable.

Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
 arch/xtensa/include/asm/timex.h | 1 -
 arch/xtensa/kernel/setup.c      | 4 ++--
 arch/xtensa/kernel/time.c       | 4 ++--
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/xtensa/include/asm/timex.h b/arch/xtensa/include/asm/timex.h
index 86aca77..27fa3c1 100644
--- a/arch/xtensa/include/asm/timex.h
+++ b/arch/xtensa/include/asm/timex.h
@@ -36,7 +36,6 @@
 #endif
 
 extern unsigned long ccount_freq;
-#define CCOUNT_PER_JIFFY (ccount_freq / HZ)
 
 typedef unsigned long long cycles_t;
 
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 42a8bba..4a8f027 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -585,8 +585,8 @@ c_show(struct seq_file *f, void *slot)
 		     "bogomips\t: %lu.%02lu\n",
 		     XCHAL_BUILD_UNIQUE_ID,
 		     XCHAL_HAVE_BE ?  "big" : "little",
-		     CCOUNT_PER_JIFFY/(1000000/HZ),
-		     (CCOUNT_PER_JIFFY/(10000/HZ)) % 100,
+		     ccount_freq/1000000,
+		     (ccount_freq/10000) % 100,
 		     loops_per_jiffy/(500000/HZ),
 		     (loops_per_jiffy/(5000/HZ)) % 100);
 
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index b20e5b3..3fec676 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -130,7 +130,7 @@ void __init time_init(void)
 #else
 	ccount_freq = CONFIG_XTENSA_CPU_CLOCK*1000000UL;
 #endif
-	clocksource_register_hz(&ccount_clocksource, CCOUNT_PER_JIFFY * HZ);
+	clocksource_register_hz(&ccount_clocksource, ccount_freq);
 
 	ccount_timer.evt.cpumask = cpumask_of(0);
 	ccount_timer.evt.irq = irq_create_mapping(NULL, LINUX_TIMER_INT);
@@ -164,7 +164,7 @@ irqreturn_t timer_interrupt (int irq, void *dev_id)
 #ifndef CONFIG_GENERIC_CALIBRATE_DELAY
 void __cpuinit calibrate_delay(void)
 {
-	loops_per_jiffy = CCOUNT_PER_JIFFY;
+	loops_per_jiffy = ccount_freq / HZ;
 	printk("Calibrating delay loop (skipped)... "
 	       "%lu.%02lu BogoMIPS preset\n",
 	       loops_per_jiffy/(1000000/HZ),
-- 
1.8.3.2



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