linux-kernel - [PATCH 03/10] clocksource: sunxi: make use of CLKSRC

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Message-Id: <1364218233-29636-4-git-send-email-maxime.ripard@free-electrons.com>
Date:	Mon, 25 Mar 2013 14:30:26 +0100
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	kevin@...winnertech.com, sunny@...winnertech.com,
	shuge@...winnertech.com,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Russell King <linux@....linux.org.uk>,
	John Stultz <john.stultz@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 03/10] clocksource: sunxi: make use of CLKSRC_OF

Using CLKSRC_OF allows to remove the SoC specific sunxi_timer.h header,
and instead of using a custom init function in the machine definition
use the standard clocksource_of_init function.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 arch/arm/mach-sunxi/Kconfig       |    1 +
 arch/arm/mach-sunxi/sunxi.c       |    4 ++--
 drivers/clocksource/sunxi_timer.c |    3 ++-
 include/linux/sunxi_timer.h       |   24 ------------------------
 4 files changed, 5 insertions(+), 27 deletions(-)
 delete mode 100644 include/linux/sunxi_timer.h

diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 8709a39..06c2894 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -1,6 +1,7 @@
 config ARCH_SUNXI
 	bool "Allwinner A1X SOCs" if ARCH_MULTI_V7
 	select CLKSRC_MMIO
+	select CLKSRC_OF
 	select COMMON_CLK
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_IRQ_CHIP
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
index 23afb73..2c01182 100644
--- a/arch/arm/mach-sunxi/sunxi.c
+++ b/arch/arm/mach-sunxi/sunxi.c
@@ -10,6 +10,7 @@
  * warranty of any kind, whether express or implied.
  */
 
+#include <linux/clocksource.h>
 #include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -17,7 +18,6 @@
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/io.h>
-#include <linux/sunxi_timer.h>
 
 #include <linux/irqchip/sunxi.h>
 
@@ -100,6 +100,6 @@ DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)")
 	.init_irq	= sunxi_init_irq,
 	.handle_irq	= sunxi_handle_irq,
 	.restart	= sunxi_restart,
-	.init_time	= &sunxi_timer_init,
+	.init_time	= clocksource_of_init,
 	.dt_compat	= sunxi_board_dt_compat,
 MACHINE_END
diff --git a/drivers/clocksource/sunxi_timer.c b/drivers/clocksource/sunxi_timer.c
index 7a3ea23..0b46b7f 100644
--- a/drivers/clocksource/sunxi_timer.c
+++ b/drivers/clocksource/sunxi_timer.c
@@ -22,7 +22,6 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
-#include <linux/sunxi_timer.h>
 #include <linux/clk/sunxi.h>
 
 #define TIMER_IRQ_EN_REG	0x00
@@ -158,3 +157,5 @@ void __init sunxi_timer_init(void)
 	clockevents_config_and_register(&sunxi_clockevent, rate / TIMER_SCAL,
 					0x1, 0xff);
 }
+CLOCKSOURCE_OF_DECLARE(sunxi, "allwinner,sun4i-timer",
+		       sunxi_timer_init);
diff --git a/include/linux/sunxi_timer.h b/include/linux/sunxi_timer.h
deleted file mode 100644
index 1808178..0000000
--- a/include/linux/sunxi_timer.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2012 Maxime Ripard
- *
- * Maxime Ripard <maxime.ripard@...e-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __SUNXI_TIMER_H
-#define __SUNXI_TIMER_H
-
-#include <asm/mach/time.h>
-
-void sunxi_timer_init(void);
-
-#endif
-- 
1.7.10.4

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