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authorStephen Warren <swarren@wwwdotorg.org>2013-01-03 20:23:13 -0700
committerStephen Warren <swarren@wwwdotorg.org>2013-01-14 21:45:58 -0700
commitc1b724f6659a7e9e32f8fcf6409d053e1b7bccad (patch)
treef5ab383348e30169aad1fb54e2460e1b28560229
parentb2fc382aad0a8f52803acdc3ac4e5540dbcdf1f6 (diff)
ARM: bcm2835: make use of CLKSRC_OFbcm2835-for-3.9-cleanup
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>
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/mach-bcm2835/bcm2835.c4
-rw-r--r--drivers/clocksource/bcm2835_timer.c5
-rw-r--r--include/linux/bcm2835_timer.h22
4 files changed, 6 insertions, 26 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 67874b82a4ed..670cf44c35c8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -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
diff --git a/arch/arm/mach-bcm2835/bcm2835.c b/arch/arm/mach-bcm2835/bcm2835.c
index 176d2d24782d..d615a61e902c 100644
--- a/arch/arm/mach-bcm2835/bcm2835.c
+++ b/arch/arm/mach-bcm2835/bcm2835.c
@@ -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
diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
index 7f796d8f7505..50c68fef944b 100644
--- a/drivers/clocksource/bcm2835_timer.c
+++ b/drivers/clocksource/bcm2835_timer.c
@@ -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);
diff --git a/include/linux/bcm2835_timer.h b/include/linux/bcm2835_timer.h
deleted file mode 100644
index ca17aa817006..000000000000
--- a/include/linux/bcm2835_timer.h
+++ /dev/null
@@ -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