linux-kernel - [PATCH v3 04/36] hrtimer: Cleanup clock argument in schedule_hrtimeout_range

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Date:   Wed, 29 Nov 2017 16:30:29 +0100
From:   Anna-Maria Gleixner <anna-maria@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, keescook@...omium.org,
        Christoph Hellwig <hch@....de>,
        John Stultz <john.stultz@...aro.org>,
        Anna-Maria Gleixner <anna-maria@...utronix.de>
Subject: [PATCH v3 04/36] hrtimer: Cleanup clock argument in schedule_hrtimeout_range_clock()

schedule_hrtimeout_range_clock() uses an integer for the clock id
instead of the predefined type "clockid_t". The ID of the clock is
indicated in hrtimer code as clock_id. Therefore change the name of
the variable as well to make it consistent.

While at it, clean up the description for the function parameters clock_id
and mode. The clock modes and the clock ids are not restricted as the
comment suggests. Fix the mode description as well for the callers of
schedule_hrtimeout_range_clock().

No functional change.

Signed-off-by: Anna-Maria Gleixner <anna-maria@...utronix.de>
---
 include/linux/hrtimer.h |  2 +-
 kernel/time/hrtimer.c   | 12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index b3a382be8db0..931ce9c89c93 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -462,7 +462,7 @@ extern int schedule_hrtimeout_range(ktime_t *expires, u64 delta,
 extern int schedule_hrtimeout_range_clock(ktime_t *expires,
 					  u64 delta,
 					  const enum hrtimer_mode mode,
-					  int clock);
+					  clockid_t clock_id);
 extern int schedule_hrtimeout(ktime_t *expires, const enum hrtimer_mode mode);
 
 /* Soft interrupt function to run the hrtimer queues: */
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index aee49c0c58b9..74a64db375d1 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1662,12 +1662,12 @@ void __init hrtimers_init(void)
  * schedule_hrtimeout_range_clock - sleep until timeout
  * @expires:	timeout value (ktime_t)
  * @delta:	slack in expires timeout (ktime_t)
- * @mode:	timer mode, HRTIMER_MODE_ABS or HRTIMER_MODE_REL
- * @clock:	timer clock, CLOCK_MONOTONIC or CLOCK_REALTIME
+ * @mode:	timer mode
+ * @clock_id:	timer clock to be used
  */
 int __sched
 schedule_hrtimeout_range_clock(ktime_t *expires, u64 delta,
-			       const enum hrtimer_mode mode, int clock)
+			       const enum hrtimer_mode mode, clockid_t clock_id)
 {
 	struct hrtimer_sleeper t;
 
@@ -1688,7 +1688,7 @@ schedule_hrtimeout_range_clock(ktime_t *expires, u64 delta,
 		return -EINTR;
 	}
 
-	hrtimer_init_on_stack(&t.timer, clock, mode);
+	hrtimer_init_on_stack(&t.timer, clock_id, mode);
 	hrtimer_set_expires_range_ns(&t.timer, *expires, delta);
 
 	hrtimer_init_sleeper(&t, current);
@@ -1710,7 +1710,7 @@ schedule_hrtimeout_range_clock(ktime_t *expires, u64 delta,
  * schedule_hrtimeout_range - sleep until timeout
  * @expires:	timeout value (ktime_t)
  * @delta:	slack in expires timeout (ktime_t)
- * @mode:	timer mode, HRTIMER_MODE_ABS or HRTIMER_MODE_REL
+ * @mode:	timer mode
  *
  * Make the current task sleep until the given expiry time has
  * elapsed. The routine will return immediately unless
@@ -1749,7 +1749,7 @@ EXPORT_SYMBOL_GPL(schedule_hrtimeout_range);
 /**
  * schedule_hrtimeout - sleep until timeout
  * @expires:	timeout value (ktime_t)
- * @mode:	timer mode, HRTIMER_MODE_ABS or HRTIMER_MODE_REL
+ * @mode:	timer mode
  *
  * Make the current task sleep until the given expiry time has
  * elapsed. The routine will return immediately unless
-- 
2.11.0