linux-kernel - [PATCH 05/14] ARM: call reset_controller_of_init from default time

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Date:	Thu, 12 Feb 2015 18:45:55 +0100
From:	Maxime Coquelin <mcoquelin.stm32@...il.com>
To:	Jonathan Corbet <corbet@....net>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Russell King <linux@....linux.org.uk>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Joe Perches <joe@...ches.com>, Antti Palosaari <crope@....fi>,
	Tejun Heo <tj@...nel.org>, Will Deacon <will.deacon@....com>,
	Nikolay Borisov <Nikolay.Borisov@....com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Kees Cook <keescook@...omium.org>,
	Michal Marek <mmarek@...e.cz>, linux-doc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-serial@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-api@...r.kernel.org
Subject: [PATCH 05/14] ARM: call reset_controller_of_init from default time_init handler

Some DT ARM platforms need the reset controllers to be initialized before
the timers.
This is the case of the stm32 and sunxi platforms.

This patch adds a call to reset_controller_of_init() to the default
.init_time callback when RESET_CONTROLLER is used by the platform.

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@...il.com>
---
 arch/arm/kernel/time.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index 0cc7e58..4601b1e 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -20,6 +20,7 @@
 #include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/profile.h>
+#include <linux/reset-controller.h>
 #include <linux/sched.h>
 #include <linux/sched_clock.h>
 #include <linux/smp.h>
@@ -117,6 +118,9 @@ void __init time_init(void)
 	if (machine_desc->init_time) {
 		machine_desc->init_time();
 	} else {
+#ifdef CONFIG_RESET_CONTROLLER
+		reset_controller_of_init();
+#endif
 #ifdef CONFIG_COMMON_CLK
 		of_clk_init(NULL);
 #endif
-- 
1.9.1

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