Remove NO_EVENTTIMERS support

The arm configs that required it have been removed from the tree.
Removing this option makes the callout code easier to read and
discourages developers from adding new configs without eventtimer
drivers.

Reviewed by:	ian, imp, mav
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D27270

2 files changed, 0 insertions, 22 deletions

diff --git a/sys/arm/arm/machdep.c b/sys/arm/arm/machdep.c
index 4a9822f90835..7b4974a839db 100644
--- a/sys/arm/arm/machdep.c
+++ b/sys/arm/arm/machdep.c
@@ -48,7 +48,6 @@
 #include "opt_kstack_pages.h"
 #include "opt_platform.h"
 #include "opt_sched.h"
-#include "opt_timer.h"
 
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -304,16 +303,12 @@ cpu_idle(int busy)
 
 	CTR2(KTR_SPARE2, "cpu_idle(%d) at %d", busy, curcpu);
 	spinlock_enter();
-#ifndef NO_EVENTTIMERS
 	if (!busy)
 		cpu_idleclock();
-#endif
 	if (!sched_runnable())
 		cpu_sleep(0);
-#ifndef NO_EVENTTIMERS
 	if (!busy)
 		cpu_activeclock();
-#endif
 	spinlock_exit();
 	CTR2(KTR_SPARE2, "cpu_idle(%d) at %d done", busy, curcpu);
 }
@@ -325,21 +320,6 @@ cpu_idle_wakeup(int cpu)
 	return (0);
 }
 
-#ifdef NO_EVENTTIMERS
-/*
- * Most ARM platforms don't need to do anything special to init their clocks
- * (they get intialized during normal device attachment), and by not defining a
- * cpu_initclocks() function they get this generic one.  Any platform that needs
- * to do something special can just provide their own implementation, which will
- * override this one due to the weak linkage.
- */
-void
-arm_generic_initclocks(void)
-{
-}
-__weak_reference(arm_generic_initclocks, cpu_initclocks);
-
-#else
 void
 cpu_initclocks(void)
 {
@@ -353,7 +333,6 @@ cpu_initclocks(void)
 	cpu_initclocks_bsp();
 #endif
 }
-#endif
 
 #ifdef PLATFORM
 void
diff --git a/sys/arm/include/machdep.h b/sys/arm/include/machdep.h
index ebaff1a48a05..d82b1363632e 100644
--- a/sys/arm/include/machdep.h
+++ b/sys/arm/include/machdep.h
@@ -39,7 +39,6 @@ vm_offset_t parse_boot_param(struct arm_boot_params *abp);
 void arm_parse_fdt_bootargs(void);
 void arm_print_kenv(void);
 
-void arm_generic_initclocks(void);
 int arm_get_vfpstate(struct thread *td, void *args);
 
 /* Board-specific attributes */