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yaml
---
r: 355179
b: refs/heads/master
c: ae278a9
h: refs/heads/master
i:
  355177: e8f5222
  355175: 8a19988
v: v3
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Stephen Warren committed Jan 2, 2013
1 parent 5a3372f commit 16d3bd3
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Showing 6 changed files with 58 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 6bb27d7349db51b50c40534710fe164ca0d58902
refs/heads/master: ae278a935f086775e8ae31a8ec9f7224ea25ea3c
3 changes: 3 additions & 0 deletions trunk/drivers/clocksource/Kconfig
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@@ -1,3 +1,6 @@
config CLKSRC_OF
bool

config CLKSRC_I8253
bool

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1 change: 1 addition & 0 deletions trunk/drivers/clocksource/Makefile
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@@ -1,3 +1,4 @@
obj-$(CONFIG_CLKSRC_OF) += clksrc-of.o
obj-$(CONFIG_ATMEL_TCB_CLKSRC) += tcb_clksrc.o
obj-$(CONFIG_X86_CYCLONE_TIMER) += cyclone.o
obj-$(CONFIG_X86_PM_TIMER) += acpi_pm.o
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35 changes: 35 additions & 0 deletions trunk/drivers/clocksource/clksrc-of.c
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@@ -0,0 +1,35 @@
/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#include <linux/init.h>
#include <linux/of.h>

extern struct of_device_id __clksrc_of_table[];

static const struct of_device_id __clksrc_of_table_sentinel
__used __section(__clksrc_of_table_end);

void __init clocksource_of_init(void)
{
struct device_node *np;
const struct of_device_id *match;
void (*init_func)(void);

for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
init_func = match->data;
init_func();
}
}
9 changes: 9 additions & 0 deletions trunk/include/asm-generic/vmlinux.lds.h
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Expand Up @@ -149,6 +149,14 @@
#define TRACE_SYSCALLS()
#endif

#ifdef CONFIG_CLKSRC_OF
#define CLKSRC_OF_TABLES() . = ALIGN(8); \
VMLINUX_SYMBOL(__clksrc_of_table) = .; \
*(__clksrc_of_table) \
*(__clksrc_of_table_end)
#else
#define CLKSRC_OF_TABLES()
#endif

#define KERNEL_DTB() \
STRUCT_ALIGN(); \
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DEV_DISCARD(init.rodata) \
CPU_DISCARD(init.rodata) \
MEM_DISCARD(init.rodata) \
CLKSRC_OF_TABLES() \
KERNEL_DTB()

#define INIT_TEXT \
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9 changes: 9 additions & 0 deletions trunk/include/linux/clocksource.h
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Expand Up @@ -332,4 +332,13 @@ extern int clocksource_mmio_init(void __iomem *, const char *,

extern int clocksource_i8253_init(void);

#ifdef CONFIG_CLKSRC_OF
extern void clocksource_of_init(void);

#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \
static const struct of_device_id __clksrc_of_table_##name \
__used __section(__clksrc_of_table) \
= { .compatible = compat, .data = fn };
#endif

#endif /* _LINUX_CLOCKSOURCE_H */

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