summaryrefslogtreecommitdiffstats
path: root/drivers/edac/edac_stub.c
blob: 3d259c231507812023a0f67c5b0b8c76c1b05677 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/*
 * common EDAC components that must be in kernel
 *
 * Author: Dave Jiang <djiang@mvista.com>
 *
 * 2007 (c) MontaVista Software, Inc. This file is licensed under
 * the terms of the GNU General Public License version 2. This program
 * is licensed "as is" without any warranty of any kind, whether express
 * or implied.
 *
 */
#include <linux/module.h>
#include <linux/edac.h>
#include <asm/atomic.h>
#include <asm/edac.h>

int edac_op_state = EDAC_OPSTATE_INVAL;
EXPORT_SYMBOL(edac_op_state);

atomic_t edac_handlers = ATOMIC_INIT(0);
EXPORT_SYMBOL(edac_handlers);

int edac_err_assert = 0;
EXPORT_SYMBOL(edac_err_assert);

inline int edac_handler_set(void)
{
	if (edac_op_state == EDAC_OPSTATE_POLL)
		return 0;

	return atomic_read(&edac_handlers);
}
EXPORT_SYMBOL(edac_handler_set);

/*
 * handler for NMI type of interrupts to assert error
 */
inline void edac_atomic_assert_error(void)
{
	edac_err_assert++;
}
EXPORT_SYMBOL(edac_atomic_assert_error);
OpenPOWER on IntegriCloud