linux/drivers/edac/edac_stub.c

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/*
* 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_GPL(edac_op_state);
atomic_t edac_handlers = ATOMIC_INIT(0);
EXPORT_SYMBOL_GPL(edac_handlers);
int edac_err_assert = 0;
EXPORT_SYMBOL_GPL(edac_err_assert);
/*
* called to determine if there is an EDAC driver interested in
* knowing an event (such as NMI) occurred
*/
int edac_handler_set(void)
{
if (edac_op_state == EDAC_OPSTATE_POLL)
return 0;
return atomic_read(&edac_handlers);
}
EXPORT_SYMBOL_GPL(edac_handler_set);
/*
* handler for NMI type of interrupts to assert error
*/
void edac_atomic_assert_error(void)
{
edac_err_assert++;
}
EXPORT_SYMBOL_GPL(edac_atomic_assert_error);