[PATCH 4/9] ARC: clockevent: Prepare for DT based probe

From: Vineet Gupta
Date: Tue Feb 02 2016 - 06:00:03 EST


From: Noam Camus <noamc@xxxxxxxxxx>

- call clocksource_probe()
- This in turns needs of_clk_init() to be called earlier

Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Signed-off-by: Noam Camus <noamc@xxxxxxxxxx>
[vgupta: broken off from a bigger patch]
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>

Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
---
arch/arc/Kconfig | 3 ++-
arch/arc/kernel/setup.c | 1 -
arch/arc/kernel/time.c | 4 ++++
3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index bb15e8062b1f..0faf954c860c 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -10,8 +10,9 @@ config ARC
def_bool y
select ARCH_SUPPORTS_ATOMIC_RMW if ARC_HAS_LLSC
select BUILDTIME_EXTABLE_SORT
- select COMMON_CLK
+ select CLKSRC_OF
select CLONE_BACKWARDS
+ select COMMON_CLK
# ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev
select DEVTMPFS if !INITRAMFS_SOURCE=""
select GENERIC_ATOMIC64
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 7f0a3cb300a8..8129c8e8f20b 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -438,7 +438,6 @@ void __init setup_arch(char **cmdline_p)

static int __init customize_machine(void)
{
- of_clk_init(NULL);
/*
* Traverses flattened DeviceTree - registering platform devices
* (if any) complete with their resources
diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c
index bdfc621d5d85..1f5a6fe03bcc 100644
--- a/arch/arc/kernel/time.c
+++ b/arch/arc/kernel/time.c
@@ -38,6 +38,7 @@
#include <linux/init.h>
#include <linux/timex.h>
#include <linux/profile.h>
+#include <linux/clk-provider.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <asm/irq.h>
@@ -305,6 +306,9 @@ static void __init arc_clockevent_setup()
*/
void __init time_init(void)
{
+ of_clk_init(NULL);
+ clocksource_probe();
+
/*
* sets up the timekeeping free-flowing counter which also returns
* whether the counter is usable as clocksource
--
2.5.0