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-rw-r--r--drivers/mtd/nand/ecc-sw-hamming.c53
-rw-r--r--drivers/mtd/nand/raw/cs553x_nand.c3
-rw-r--r--drivers/mtd/nand/raw/fsmc_nand.c2
-rw-r--r--drivers/mtd/nand/raw/lpc32xx_slc.c2
-rw-r--r--drivers/mtd/nand/raw/nand_base.c25
-rw-r--r--drivers/mtd/nand/raw/ndfc.c3
-rw-r--r--drivers/mtd/nand/raw/sharpsl.c2
-rw-r--r--drivers/mtd/nand/raw/tmio_nand.c6
-rw-r--r--drivers/mtd/nand/raw/txx9ndfmc.c4
-rw-r--r--drivers/mtd/sm_ftl.c28
-rw-r--r--drivers/mtd/tests/mtd_nandecctest.c29
-rw-r--r--include/linux/mtd/nand-ecc-sw-hamming.h36
-rw-r--r--include/linux/mtd/rawnand.h7
13 files changed, 108 insertions, 92 deletions
diff --git a/drivers/mtd/nand/ecc-sw-hamming.c b/drivers/mtd/nand/ecc-sw-hamming.c
index 771e27ed8883..7ee0387ecb29 100644
--- a/drivers/mtd/nand/ecc-sw-hamming.c
+++ b/drivers/mtd/nand/ecc-sw-hamming.c
@@ -75,7 +75,7 @@ static const char bitsperbyte[256] = {
* addressbits is a lookup table to filter out the bits from the xor-ed
* ECC data that identify the faulty location.
* this is only used for repairing parity
- * see the comments in nand_correct_data for more details
+ * see the comments in nand_ecc_sw_hamming_correct for more details
*/
static const char addressbits[256] = {
0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
@@ -112,11 +112,11 @@ static const char addressbits[256] = {
0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f
};
-void __nand_calculate_ecc(const unsigned char *buf, unsigned int eccsize,
- unsigned char *code, bool sm_order)
+int ecc_sw_hamming_calculate(const unsigned char *buf, unsigned int step_size,
+ unsigned char *code, bool sm_order)
{
const u32 *bp = (uint32_t *)buf;
- const u32 eccsize_mult = eccsize >> 8;
+ const u32 eccsize_mult = step_size >> 8;
/* current value in buffer */
u32 cur;
/* rp0..rp17 are the various accumulated parities (per byte) */
@@ -347,31 +347,32 @@ void __nand_calculate_ecc(const unsigned char *buf, unsigned int eccsize,
(invparity[par & 0x55] << 2) |
(invparity[rp17] << 1) |
(invparity[rp16] << 0);
+
+ return 0;
}
-EXPORT_SYMBOL(__nand_calculate_ecc);
+EXPORT_SYMBOL(ecc_sw_hamming_calculate);
/**
- * nand_calculate_ecc - Calculate 3-byte ECC for 256/512-byte block
- * @chip: NAND chip object
+ * nand_ecc_sw_hamming_calculate - Calculate 3-byte ECC for 256/512-byte block
+ * @nand: NAND device
* @buf: Input buffer with raw data
* @code: Output buffer with ECC
*/
-int nand_calculate_ecc(struct nand_chip *chip, const unsigned char *buf,
- unsigned char *code)
+int nand_ecc_sw_hamming_calculate(struct nand_device *nand,
+ const unsigned char *buf, unsigned char *code)
{
+ struct nand_chip *chip = mtd_to_nand(nanddev_to_mtd(nand));
bool sm_order = chip->ecc.options & NAND_ECC_SOFT_HAMMING_SM_ORDER;
- __nand_calculate_ecc(buf, chip->ecc.size, code, sm_order);
-
- return 0;
+ return ecc_sw_hamming_calculate(buf, chip->ecc.size, code, sm_order);
}
-EXPORT_SYMBOL(nand_calculate_ecc);
+EXPORT_SYMBOL(nand_ecc_sw_hamming_calculate);
-int __nand_correct_data(unsigned char *buf,
- unsigned char *read_ecc, unsigned char *calc_ecc,
- unsigned int eccsize, bool sm_order)
+int ecc_sw_hamming_correct(unsigned char *buf, unsigned char *read_ecc,
+ unsigned char *calc_ecc, unsigned int step_size,
+ bool sm_order)
{
- const u32 eccsize_mult = eccsize >> 8;
+ const u32 eccsize_mult = step_size >> 8;
unsigned char b0, b1, b2, bit_addr;
unsigned int byte_addr;
@@ -437,26 +438,28 @@ int __nand_correct_data(unsigned char *buf,
pr_err("%s: uncorrectable ECC error\n", __func__);
return -EBADMSG;
}
-EXPORT_SYMBOL(__nand_correct_data);
+EXPORT_SYMBOL(ecc_sw_hamming_correct);
/**
- * nand_correct_data - Detect and correct bit error(s)
- * @chip: NAND chip object
+ * nand_ecc_sw_hamming_correct - Detect and correct bit error(s)
+ * @nand: NAND device
* @buf: Raw data read from the chip
* @read_ecc: ECC bytes read from the chip
* @calc_ecc: ECC calculated from the raw data
*
* Detect and correct up to 1 bit error per 256/512-byte block.
*/
-int nand_correct_data(struct nand_chip *chip, unsigned char *buf,
- unsigned char *read_ecc, unsigned char *calc_ecc)
+int nand_ecc_sw_hamming_correct(struct nand_device *nand, unsigned char *buf,
+ unsigned char *read_ecc,
+ unsigned char *calc_ecc)
{
+ struct nand_chip *chip = mtd_to_nand(nanddev_to_mtd(nand));
bool sm_order = chip->ecc.options & NAND_ECC_SOFT_HAMMING_SM_ORDER;
- return __nand_correct_data(buf, read_ecc, calc_ecc, chip->ecc.size,
- sm_order);
+ return ecc_sw_hamming_correct(buf, read_ecc, calc_ecc, chip->ecc.size,
+ sm_order);
}
-EXPORT_SYMBOL(nand_correct_data);
+EXPORT_SYMBOL(nand_ecc_sw_hamming_correct);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Frans Meulenbroeks <fransmeulenbroeks@gmail.com>");
diff --git a/drivers/mtd/nand/raw/cs553x_nand.c b/drivers/mtd/nand/raw/cs553x_nand.c
index 9a2bdb45a771..6edf78c16fc8 100644
--- a/drivers/mtd/nand/raw/cs553x_nand.c
+++ b/drivers/mtd/nand/raw/cs553x_nand.c
@@ -19,7 +19,6 @@
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
-#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/iopoll.h>
@@ -252,7 +251,7 @@ static int cs553x_attach_chip(struct nand_chip *chip)
chip->ecc.bytes = 3;
chip->ecc.hwctl = cs_enable_hwecc;
chip->ecc.calculate = cs_calculate_ecc;
- chip->ecc.correct = nand_correct_data;
+ chip->ecc.correct = rawnand_sw_hamming_correct;
chip->ecc.strength = 1;
return 0;
diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c
index e880db5852d8..1e2ed45be2f1 100644
--- a/drivers/mtd/nand/raw/fsmc_nand.c
+++ b/drivers/mtd/nand/raw/fsmc_nand.c
@@ -918,7 +918,7 @@ static int fsmc_nand_attach_chip(struct nand_chip *nand)
case NAND_ECC_ENGINE_TYPE_ON_HOST:
dev_info(host->dev, "Using 1-bit HW ECC scheme\n");
nand->ecc.calculate = fsmc_read_hwecc_ecc1;
- nand->ecc.correct = nand_correct_data;
+ nand->ecc.correct = rawnand_sw_hamming_correct;
nand->ecc.hwctl = fsmc_enable_hwecc;
nand->ecc.bytes = 3;
nand->ecc.strength = 1;
diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc32xx_slc.c
index 0bf9c3fbcd82..beecabfa5181 100644
--- a/drivers/mtd/nand/raw/lpc32xx_slc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_slc.c
@@ -803,7 +803,7 @@ static int lpc32xx_nand_attach_chip(struct nand_chip *chip)
chip->ecc.write_oob = lpc32xx_nand_write_oob_syndrome;
chip->ecc.read_oob = lpc32xx_nand_read_oob_syndrome;
chip->ecc.calculate = lpc32xx_nand_ecc_calculate;
- chip->ecc.correct = nand_correct_data;
+ chip->ecc.correct = rawnand_sw_hamming_correct;
chip->ecc.hwctl = lpc32xx_nand_ecc_enable;
/*
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index bee7c64a0a4e..32e9870a2cf8 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -5139,6 +5139,27 @@ static void nand_scan_ident_cleanup(struct nand_chip *chip)
kfree(chip->parameters.onfi);
}
+int rawnand_sw_hamming_calculate(struct nand_chip *chip,
+ const unsigned char *buf,
+ unsigned char *code)
+{
+ struct nand_device *base = &chip->base;
+
+ return nand_ecc_sw_hamming_calculate(base, buf, code);
+}
+EXPORT_SYMBOL(rawnand_sw_hamming_calculate);
+
+int rawnand_sw_hamming_correct(struct nand_chip *chip,
+ unsigned char *buf,
+ unsigned char *read_ecc,
+ unsigned char *calc_ecc)
+{
+ struct nand_device *base = &chip->base;
+
+ return nand_ecc_sw_hamming_correct(base, buf, read_ecc, calc_ecc);
+}
+EXPORT_SYMBOL(rawnand_sw_hamming_correct);
+
int rawnand_sw_bch_init(struct nand_chip *chip)
{
struct nand_device *base = &chip->base;
@@ -5263,8 +5284,8 @@ static int nand_set_ecc_soft_ops(struct nand_chip *chip)
switch (ecc->algo) {
case NAND_ECC_ALGO_HAMMING:
- ecc->calculate = nand_calculate_ecc;
- ecc->correct = nand_correct_data;
+ ecc->calculate = rawnand_sw_hamming_calculate;
+ ecc->correct = rawnand_sw_hamming_correct;
ecc->read_page = nand_read_page_swecc;
ecc->read_subpage = nand_read_subpage;
ecc->write_page = nand_write_page_swecc;
diff --git a/drivers/mtd/nand/raw/ndfc.c b/drivers/mtd/nand/raw/ndfc.c
index 8cda6633280b..338d6b1a189e 100644
--- a/drivers/mtd/nand/raw/ndfc.c
+++ b/drivers/mtd/nand/raw/ndfc.c
@@ -18,7 +18,6 @@
*/
#include <linux/module.h>
#include <linux/mtd/rawnand.h>
-#include <linux/mtd/nand-ecc-sw-hamming.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/ndfc.h>
#include <linux/slab.h>
@@ -146,7 +145,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
chip->controller = &ndfc->ndfc_control;
chip->legacy.read_buf = ndfc_read_buf;
chip->legacy.write_buf = ndfc_write_buf;
- chip->ecc.correct = nand_correct_data;
+ chip->ecc.correct = rawnand_sw_hamming_correct;
chip->ecc.hwctl = ndfc_enable_hwecc;
chip->ecc.calculate = ndfc_calculate_ecc;
chip->ecc.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST;
diff --git a/drivers/mtd/nand/raw/sharpsl.c b/drivers/mtd/nand/raw/sharpsl.c
index 2fae6ade8b13..3f55b523aead 100644
--- a/drivers/mtd/nand/raw/sharpsl.c
+++ b/drivers/mtd/nand/raw/sharpsl.c
@@ -107,7 +107,7 @@ static int sharpsl_attach_chip(struct nand_chip *chip)
chip->ecc.strength = 1;
chip->ecc.hwctl = sharpsl_nand_enable_hwecc;
chip->ecc.calculate = sharpsl_nand_calculate_ecc;
- chip->ecc.correct = nand_correct_data;
+ chip->ecc.correct = rawnand_sw_hamming_correct;
return 0;
}
diff --git a/drivers/mtd/nand/raw/tmio_nand.c b/drivers/mtd/nand/raw/tmio_nand.c
index fadca0b9e21f..29edacbec826 100644
--- a/drivers/mtd/nand/raw/tmio_nand.c
+++ b/drivers/mtd/nand/raw/tmio_nand.c
@@ -293,11 +293,11 @@ static int tmio_nand_correct_data(struct nand_chip *chip, unsigned char *buf,
int r0, r1;
/* assume ecc.size = 512 and ecc.bytes = 6 */
- r0 = __nand_correct_data(buf, read_ecc, calc_ecc, 256, false);
+ r0 = rawnand_sw_hamming_correct(chip, buf, read_ecc, calc_ecc);
if (r0 < 0)
return r0;
- r1 = __nand_correct_data(buf + 256, read_ecc + 3, calc_ecc + 3, 256,
- false);
+ r1 = rawnand_sw_hamming_correct(chip, buf + 256, read_ecc + 3,
+ calc_ecc + 3);
if (r1 < 0)
return r1;
return r0 + r1;
diff --git a/drivers/mtd/nand/raw/txx9ndfmc.c b/drivers/mtd/nand/raw/txx9ndfmc.c
index 68b920eab6c8..a705523eb916 100644
--- a/drivers/mtd/nand/raw/txx9ndfmc.c
+++ b/drivers/mtd/nand/raw/txx9ndfmc.c
@@ -194,8 +194,8 @@ static int txx9ndfmc_correct_data(struct nand_chip *chip, unsigned char *buf,
int stat;
for (eccsize = chip->ecc.size; eccsize > 0; eccsize -= 256) {
- stat = __nand_correct_data(buf, read_ecc, calc_ecc, 256,
- false);
+ stat = rawnand_sw_hamming_correct(chip, buf, read_ecc,
+ calc_ecc);
if (stat < 0)
return stat;
corrected += stat;
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index db430ae6a1a2..4d1ae25507ab 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -216,20 +216,19 @@ static void sm_break_offset(struct sm_ftl *ftl, loff_t loffset,
static int sm_correct_sector(uint8_t *buffer, struct sm_oob *oob)
{
+ bool sm_order = IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC);
uint8_t ecc[3];
- __nand_calculate_ecc(buffer, SM_SMALL_PAGE, ecc,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
- if (__nand_correct_data(buffer, ecc, oob->ecc1, SM_SMALL_PAGE,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)) < 0)
+ ecc_sw_hamming_calculate(buffer, SM_SMALL_PAGE, ecc, sm_order);
+ if (ecc_sw_hamming_correct(buffer, ecc, oob->ecc1, SM_SMALL_PAGE,
+ sm_order) < 0)
return -EIO;
buffer += SM_SMALL_PAGE;
- __nand_calculate_ecc(buffer, SM_SMALL_PAGE, ecc,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
- if (__nand_correct_data(buffer, ecc, oob->ecc2, SM_SMALL_PAGE,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)) < 0)
+ ecc_sw_hamming_calculate(buffer, SM_SMALL_PAGE, ecc, sm_order);
+ if (ecc_sw_hamming_correct(buffer, ecc, oob->ecc2, SM_SMALL_PAGE,
+ sm_order) < 0)
return -EIO;
return 0;
}
@@ -369,6 +368,7 @@ static int sm_write_block(struct sm_ftl *ftl, uint8_t *buf,
int zone, int block, int lba,
unsigned long invalid_bitmap)
{
+ bool sm_order = IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC);
struct sm_oob oob;
int boffset;
int retry = 0;
@@ -395,13 +395,13 @@ restart:
}
if (ftl->smallpagenand) {
- __nand_calculate_ecc(buf + boffset, SM_SMALL_PAGE,
- oob.ecc1,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
+ ecc_sw_hamming_calculate(buf + boffset,
+ SM_SMALL_PAGE, oob.ecc1,
+ sm_order);
- __nand_calculate_ecc(buf + boffset + SM_SMALL_PAGE,
- SM_SMALL_PAGE, oob.ecc2,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
+ ecc_sw_hamming_calculate(buf + boffset + SM_SMALL_PAGE,
+ SM_SMALL_PAGE, oob.ecc2,
+ sm_order);
}
if (!sm_write_sector(ftl, zone, block, boffset,
buf + boffset, &oob))
diff --git a/drivers/mtd/tests/mtd_nandecctest.c b/drivers/mtd/tests/mtd_nandecctest.c
index e92e3fb287b6..c4f271314f52 100644
--- a/drivers/mtd/tests/mtd_nandecctest.c
+++ b/drivers/mtd/tests/mtd_nandecctest.c
@@ -119,13 +119,13 @@ static void no_bit_error(void *error_data, void *error_ecc,
static int no_bit_error_verify(void *error_data, void *error_ecc,
void *correct_data, const size_t size)
{
+ bool sm_order = IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC);
unsigned char calc_ecc[3];
int ret;
- __nand_calculate_ecc(error_data, size, calc_ecc,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
- ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
+ ecc_sw_hamming_calculate(error_data, size, calc_ecc, sm_order);
+ ret = ecc_sw_hamming_correct(error_data, error_ecc, calc_ecc, size,
+ sm_order);
if (ret == 0 && !memcmp(correct_data, error_data, size))
return 0;
@@ -149,13 +149,13 @@ static void single_bit_error_in_ecc(void *error_data, void *error_ecc,
static int single_bit_error_correct(void *error_data, void *error_ecc,
void *correct_data, const size_t size)
{
+ bool sm_order = IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC);
unsigned char calc_ecc[3];
int ret;
- __nand_calculate_ecc(error_data, size, calc_ecc,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
- ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
+ ecc_sw_hamming_calculate(error_data, size, calc_ecc, sm_order);
+ ret = ecc_sw_hamming_correct(error_data, error_ecc, calc_ecc, size,
+ sm_order);
if (ret == 1 && !memcmp(correct_data, error_data, size))
return 0;
@@ -186,13 +186,13 @@ static void double_bit_error_in_ecc(void *error_data, void *error_ecc,
static int double_bit_error_detect(void *error_data, void *error_ecc,
void *correct_data, const size_t size)
{
+ bool sm_order = IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC);
unsigned char calc_ecc[3];
int ret;
- __nand_calculate_ecc(error_data, size, calc_ecc,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
- ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
+ ecc_sw_hamming_calculate(error_data, size, calc_ecc, sm_order);
+ ret = ecc_sw_hamming_correct(error_data, error_ecc, calc_ecc, size,
+ sm_order);
return (ret == -EBADMSG) ? 0 : -EINVAL;
}
@@ -248,6 +248,7 @@ static void dump_data_ecc(void *error_data, void *error_ecc, void *correct_data,
static int nand_ecc_test_run(const size_t size)
{
+ bool sm_order = IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC);
int i;
int err = 0;
void *error_data;
@@ -266,9 +267,7 @@ static int nand_ecc_test_run(const size_t size)
}
prandom_bytes(correct_data, size);
- __nand_calculate_ecc(correct_data, size, correct_ecc,
- IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC));
-
+ ecc_sw_hamming_calculate(correct_data, size, correct_ecc, sm_order);
for (i = 0; i < ARRAY_SIZE(nand_ecc_test); i++) {
nand_ecc_test[i].prepare(error_data, error_ecc,
correct_data, correct_ecc, size);
diff --git a/include/linux/mtd/nand-ecc-sw-hamming.h b/include/linux/mtd/nand-ecc-sw-hamming.h
index 85e9a929b5f9..84a123bf45f3 100644
--- a/include/linux/mtd/nand-ecc-sw-hamming.h
+++ b/include/linux/mtd/nand-ecc-sw-hamming.h
@@ -10,30 +10,18 @@
#ifndef __MTD_NAND_ECC_SW_HAMMING_H__
#define __MTD_NAND_ECC_SW_HAMMING_H__
-struct nand_chip;
+#include <linux/mtd/nand.h>
-/*
- * Calculate 3 byte ECC code for eccsize byte block
- */
-void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
- u_char *ecc_code, bool sm_order);
-
-/*
- * Calculate 3 byte ECC code for 256/512 byte block
- */
-int nand_calculate_ecc(struct nand_chip *chip, const u_char *dat,
- u_char *ecc_code);
-
-/*
- * Detect and correct a 1 bit error for eccsize byte block
- */
-int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
- unsigned int eccsize, bool sm_order);
-
-/*
- * Detect and correct a 1 bit error for 256/512 byte block
- */
-int nand_correct_data(struct nand_chip *chip, u_char *dat, u_char *read_ecc,
- u_char *calc_ecc);
+int ecc_sw_hamming_calculate(const unsigned char *buf, unsigned int step_size,
+ unsigned char *code, bool sm_order);
+int nand_ecc_sw_hamming_calculate(struct nand_device *nand,
+ const unsigned char *buf,
+ unsigned char *code);
+int ecc_sw_hamming_correct(unsigned char *buf, unsigned char *read_ecc,
+ unsigned char *calc_ecc, unsigned int step_size,
+ bool sm_order);
+int nand_ecc_sw_hamming_correct(struct nand_device *nand, unsigned char *buf,
+ unsigned char *read_ecc,
+ unsigned char *calc_ecc);
#endif /* __MTD_NAND_ECC_SW_HAMMING_H__ */
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 15743c2c2cab..685d24557e95 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -1301,6 +1301,13 @@ static inline int nand_opcode_8bits(unsigned int command)
return 0;
}
+int rawnand_sw_hamming_calculate(struct nand_chip *chip,
+ const unsigned char *buf,
+ unsigned char *code);
+int rawnand_sw_hamming_correct(struct nand_chip *chip,
+ unsigned char *buf,
+ unsigned char *read_ecc,
+ unsigned char *calc_ecc);
int rawnand_sw_bch_init(struct nand_chip *chip);
int rawnand_sw_bch_correct(struct nand_chip *chip, unsigned char *buf,
unsigned char *read_ecc, unsigned char *calc_ecc);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-12 23:56:07 +0300