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/*
* Freescale Memory Controller kernel module
*
* Author: York Sun <york.sun@nxp.com>
*
* Copyright 2016 NXP Semiconductor
*
* Derived from mpc85xx_edac.c
* Author: Dave Jiang <djiang@mvista.com>
*
* 2006-2007 (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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "edac_module.h"
#include "fsl_ddr_edac.h"
static const struct of_device_id fsl_ddr_mc_err_of_match[] = {
{ .compatible = "fsl,qoriq-memory-controller", },
{},
};
MODULE_DEVICE_TABLE(of, fsl_ddr_mc_err_of_match);
static struct platform_driver fsl_ddr_mc_err_driver = {
.probe = fsl_mc_err_probe,
.remove_new = fsl_mc_err_remove,
.driver = {
.name = "fsl_ddr_mc_err",
.of_match_table = fsl_ddr_mc_err_of_match,
},
};
static int __init fsl_ddr_mc_init(void)
{
int res;
if (ghes_get_devices())
return -EBUSY;
/* make sure error reporting method is sane */
switch (edac_op_state) {
case EDAC_OPSTATE_POLL:
case EDAC_OPSTATE_INT:
break;
default:
edac_op_state = EDAC_OPSTATE_INT;
break;
}
res = platform_driver_register(&fsl_ddr_mc_err_driver);
if (res) {
pr_err("MC fails to register\n");
return res;
}
return 0;
}
module_init(fsl_ddr_mc_init);
static void __exit fsl_ddr_mc_exit(void)
{
platform_driver_unregister(&fsl_ddr_mc_err_driver);
}
module_exit(fsl_ddr_mc_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("NXP Semiconductor");
module_param(edac_op_state, int, 0444);
MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll, 2=Interrupt");
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