Eric Lee / smarc-fsl-linux-kernel

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drivers/edac/layerscape_edac.c 1.61 KB
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81f7e3824   Eric Lee   Initial Release, ... 
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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 = 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;
  
  	/* 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
  ");
  		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");