hrtimer: Remove public definition of HIGH_RES_NSEC

This constant is only used in a single place and is has a very generic
name polluting the global namespace.

Move the constant closer to its only user.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260107-hrtimer-header-cleanup-v1-2-1a698ef0ddae@linutronix.de

Author: t-8ch

include/linux/hrtimer_defs.h

@@ -6,18 +6,6 @@
 #include <linux/timerqueue.h>
 #include <linux/seqlock.h>
 
-#ifdef CONFIG_HIGH_RES_TIMERS
-
-/*
- * The resolution of the clocks. The resolution value is returned in
- * the clock_getres() system call to give application programmers an
- * idea of the (in)accuracy of timers. Timer values are rounded up to
- * this resolution values.
- */
-# define HIGH_RES_NSEC		1
-
-#endif
-
 #ifdef CONFIG_64BIT
 # define __hrtimer_clock_base_align	____cacheline_aligned
 #else

kernel/time/hrtimer.c

@@ -49,6 +49,14 @@
 
 #include "tick-internal.h"
 
+/*
+ * The resolution of the clocks. The resolution value is returned in
+ * the clock_getres() system call to give application programmers an
+ * idea of the (in)accuracy of timers. Timer values are rounded up to
+ * this resolution values.
+ */
+#define HIGH_RES_NSEC		1
+
 /*
  * Masks for selecting the soft and hard context timers from
  * cpu_base->active