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ARM: bcm2835: make use of CLKSRC_OF

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Using CLKSRC_OF enables deletion of the SoC-specific header
bcm2835_timer.h, replacing the custom function bcm2835_timer_init() with
the standardized automatic clocksource_of_init().

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
This commit is contained in:
Stephen Warren 2013-01-03 20:23:13 -07:00
parent b2fc382aad
commit c1b724f665
4 changed files with 6 additions and 26 deletions
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1
arch/arm/Kconfig
View File

@ -344,6 +344,7 @@ config ARCH_BCM2835
select ARM_ERRATA_411920
select ARM_TIMER_SP804
select CLKDEV_LOOKUP
select CLKSRC_OF
select COMMON_CLK
select CPU_V6
select GENERIC_CLOCKEVENTS

4
arch/arm/mach-bcm2835/bcm2835.c
View File

@ -17,8 +17,8 @@
#include <linux/irqchip/bcm2835.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/bcm2835_timer.h>
#include <linux/clk/bcm2835.h>
#include <linux/clocksource.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@ -104,7 +104,7 @@ DT_MACHINE_START(BCM2835, "BCM2835")
.init_irq = bcm2835_init_irq,
.handle_irq = bcm2835_handle_irq,
.init_machine = bcm2835_init,
.init_time = bcm2835_timer_init,
.init_time = clocksource_of_init,
.restart = bcm2835_restart,
.dt_compat = bcm2835_compat
MACHINE_END

5
drivers/clocksource/bcm2835_timer.c
View File

@ -16,7 +16,6 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/bcm2835_timer.h>
#include <linux/bitops.h>
#include <linux/clockchips.h>
#include <linux/clocksource.h>
@ -101,7 +100,7 @@ static struct of_device_id bcm2835_time_match[] __initconst = {
{}
};
void __init bcm2835_timer_init(void)
static void __init bcm2835_timer_init(void)
{
struct device_node *node;
void __iomem *base;
@ -155,3 +154,5 @@ void __init bcm2835_timer_init(void)
pr_info("bcm2835: system timer (irq = %d)\n", irq);
}
CLOCKSOURCE_OF_DECLARE(bcm2835, "brcm,bcm2835-system-timer",
bcm2835_timer_init);

22
include/linux/bcm2835_timer.h
View File

@ -1,22 +0,0 @@
/*
* Copyright 2012 Simon Arlott
*
* 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 __BCM2835_TIMER_H
#define __BCM2835_TIMER_H
#include <asm/mach/time.h>
extern void bcm2835_timer_init(void);
#endif