[src/trunk]: src/sys/arch/arm/arm Add function that returns true if PSCI has ...

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

details:   https://anonhg.NetBSD.org/src/rev/92117bb22385
branches:  trunk
changeset: 433941:92117bb22385
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Oct 13 00:07:55 2018 +0000

description:
Add function that returns true if PSCI has been initialized

diffstat:

 sys/arch/arm/arm/psci.c |  10 ++++++++--
 sys/arch/arm/arm/psci.h |   7 ++++++-
 2 files changed, 14 insertions(+), 3 deletions(-)

diffs (52 lines):

diff -r f25290452786 -r 92117bb22385 sys/arch/arm/arm/psci.c
--- a/sys/arch/arm/arm/psci.c   Fri Oct 12 23:57:00 2018 +0000
+++ b/sys/arch/arm/arm/psci.c   Sat Oct 13 00:07:55 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: psci.c,v 1.2 2018/06/15 15:59:20 jakllsch Exp $ */
+/* $NetBSD: psci.c,v 1.3 2018/10/13 00:07:55 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -29,7 +29,7 @@
 #include "opt_diagnostic.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: psci.c,v 1.2 2018/06/15 15:59:20 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: psci.c,v 1.3 2018/10/13 00:07:55 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -106,6 +106,12 @@
        psci_call_fn = fn;
 }
 
+bool
+psci_available(void)
+{
+       return psci_call_fn != NULL;
+}
+
 void
 psci_clearfunc(void)
 {
diff -r f25290452786 -r 92117bb22385 sys/arch/arm/arm/psci.h
--- a/sys/arch/arm/arm/psci.h   Fri Oct 12 23:57:00 2018 +0000
+++ b/sys/arch/arm/arm/psci.h   Sat Oct 13 00:07:55 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: psci.h,v 1.1 2017/06/28 23:48:23 jmcneill Exp $ */
+/* $NetBSD: psci.h,v 1.2 2018/10/13 00:07:55 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -65,6 +65,11 @@
 void   psci_init(psci_fn);
 
 /*
+ * Return true if PSCI is available (psci_init has been called).
+ */
+bool   psci_available(void);
+
+/*
  * PSCI call methods, implemented in psci.S
  */
 int    psci_call_smc(register_t, register_t, register_t, register_t);