[src/trunk]: src/sys/arch/arm/cortex Avoid unnecessarily touching CNTP_CTL.

[jakllsch <jakllsch%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e469f115c1f1
branches:  trunk
changeset: 319737:e469f115c1f1
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Sat Jun 09 01:17:35 2018 +0000

description:
Avoid unnecessarily touching CNTP_CTL.

We may not have the privilege of accessing CNTP_CTL if running as a
virtualized guest, and we're not using the Physical Timer for interupt
generation anyway.

diffstat:

 sys/arch/arm/cortex/gtmr.c |  6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diffs (34 lines):

diff -r 958bd217a0a0 -r e469f115c1f1 sys/arch/arm/cortex/gtmr.c
--- a/sys/arch/arm/cortex/gtmr.c        Fri Jun 08 23:40:44 2018 +0000
+++ b/sys/arch/arm/cortex/gtmr.c        Sat Jun 09 01:17:35 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: gtmr.c,v 1.28 2018/05/21 10:28:13 jmcneill Exp $       */
+/*     $NetBSD: gtmr.c,v 1.29 2018/06/09 01:17:35 jakllsch Exp $       */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gtmr.c,v 1.28 2018/05/21 10:28:13 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gtmr.c,v 1.29 2018/06/09 01:17:35 jakllsch Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -206,7 +206,6 @@
 
        /* Disable the timer until we are ready */
        gtmr_cntv_ctl_write(0);
-       gtmr_cntp_ctl_write(0);
 }
 
 void
@@ -222,7 +221,6 @@
         * enable timer and stop masking the timer.
         */
        gtmr_cntv_ctl_write(CNTCTL_ENABLE);
-       gtmr_cntp_ctl_write(CNTCTL_ENABLE);
 
        /*
         * Get now and update the compare timer.