linux-kernel - [RFC PATCH 05/10] clocksource/drivers/h8300_timer8: Remove PERIODIC and ONESHOT macro

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Date:	Sun,  8 Nov 2015 23:36:34 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	daniel.lezcano@...aro.org, ysato@...rs.sourceforge.jp
Cc:	tglx@...utronix.de, linux-kernel@...r.kernel.org,
	uclinux-h8-devel@...ts.sourceforge.jp (moderated list:H8/300
	ARCHITECTURE)
Subject: [RFC PATCH 05/10] clocksource/drivers/h8300_timer8: Remove PERIODIC and ONESHOT macro

Specify the delta as parameter for the timer8_clock_event_start function
instead of using a macro to tell PERIODIC or ONESHOT.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/clocksource/h8300_timer8.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/clocksource/h8300_timer8.c b/drivers/clocksource/h8300_timer8.c
index 598bea2..f66cd6f 100644
--- a/drivers/clocksource/h8300_timer8.c
+++ b/drivers/clocksource/h8300_timer8.c
@@ -28,9 +28,6 @@
 #define FLAG_IRQCONTEXT (1 << 2)
 #define FLAG_STARTED (1 << 3)
 
-#define ONESHOT  0
-#define PERIODIC 1
-
 #define SCALE 64
 
 struct timer8_priv {
@@ -147,7 +144,7 @@ static inline struct timer8_priv *ced_to_priv(struct clock_event_device *ced)
 	return container_of(ced, struct timer8_priv, ced);
 }
 
-static void timer8_clock_event_start(struct timer8_priv *p, int periodic)
+static void timer8_clock_event_start(struct timer8_priv *p, unsigned long delta)
 {
 	struct clock_event_device *ced = &p->ced;
 
@@ -158,7 +155,7 @@ static void timer8_clock_event_start(struct timer8_priv *p, int periodic)
 	ced->max_delta_ns = clockevent_delta2ns(0xffff, ced);
 	ced->min_delta_ns = clockevent_delta2ns(0x0001, ced);
 
-	timer8_set_next(p, periodic?(p->rate + HZ/2) / HZ:0x10000);
+	timer8_set_next(p, delta);
 }
 
 static int timer8_clock_event_shutdown(struct clock_event_device *ced)
@@ -173,7 +170,7 @@ static int timer8_clock_event_periodic(struct clock_event_device *ced)
 
 	pr_info("%s: used for periodic clock events\n", ced->name);
 	timer8_stop(p);
-	timer8_clock_event_start(p, PERIODIC);
+	timer8_clock_event_start(p, (p->rate + HZ/2) / HZ);
 
 	return 0;
 }
@@ -184,7 +181,7 @@ static int timer8_clock_event_oneshot(struct clock_event_device *ced)
 
 	pr_info("%s: used for oneshot clock events\n", ced->name);
 	timer8_stop(p);
-	timer8_clock_event_start(p, ONESHOT);
+	timer8_clock_event_start(p, 0x10000);
 
 	return 0;
 }
-- 
1.9.1

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