mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 14:20:52 +07:00
93af53b863
The current code abuses ifdefs to determine if the selected ECC scheme is supported by the running kernel. As a result the code is hard to read, and it also fails to load as a module. This commit removes all the ifdefs and instead introduces a function omap2_nand_ecc_check() to check if the ECC is supported by using IS_ENABLED(CONFIG_xxx). Since IS_ENABLED() is true when a config is =y or =m, this change fixes the module so it can be loaded with no issues. Acked-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
|
|
* BCH Error Location Module
|
|
*
|
|
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef __ELM_H
|
|
#define __ELM_H
|
|
|
|
enum bch_ecc {
|
|
BCH4_ECC = 0,
|
|
BCH8_ECC,
|
|
BCH16_ECC,
|
|
};
|
|
|
|
/* ELM support 8 error syndrome process */
|
|
#define ERROR_VECTOR_MAX 8
|
|
|
|
/**
|
|
* struct elm_errorvec - error vector for elm
|
|
* @error_reported: set true for vectors error is reported
|
|
* @error_uncorrectable: number of uncorrectable errors
|
|
* @error_count: number of correctable errors in the sector
|
|
* @error_loc: buffer for error location
|
|
*
|
|
*/
|
|
struct elm_errorvec {
|
|
bool error_reported;
|
|
bool error_uncorrectable;
|
|
int error_count;
|
|
int error_loc[16];
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_MTD_NAND_OMAP_BCH)
|
|
void elm_decode_bch_error_page(struct device *dev, u8 *ecc_calc,
|
|
struct elm_errorvec *err_vec);
|
|
int elm_config(struct device *dev, enum bch_ecc bch_type,
|
|
int ecc_steps, int ecc_step_size, int ecc_syndrome_size);
|
|
#else
|
|
static inline void
|
|
elm_decode_bch_error_page(struct device *dev, u8 *ecc_calc,
|
|
struct elm_errorvec *err_vec)
|
|
{
|
|
}
|
|
|
|
static inline int elm_config(struct device *dev, enum bch_ecc bch_type,
|
|
int ecc_steps, int ecc_step_size,
|
|
int ecc_syndrome_size)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
#endif /* CONFIG_MTD_NAND_ECC_BCH */
|
|
|
|
#endif /* __ELM_H */
|