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mtd: Add __nand_calculate_ecc() to NAND ECC functions

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Add __nand_calculate_ecc() which does not take struct mtd_info.
The built-in 256/512 software ECC calculation and correction tester
will use it.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Akinobu Mita 2009-10-22 16:53:32 +09:00 • committed by David Woodhouse
parent 3cf602532c
commit 1c63aca329
2 changed files with 28 additions and 7 deletions
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10
include/linux/mtd/nand_ecc.h
View file

@ -16,7 +16,13 @@
struct mtd_info;
/*
* Calculate 3 byte ECC code for 256 byte block
* Calculate 3 byte ECC code for eccsize byte block
*/
void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
u_char *ecc_code);
/*
* Calculate 3 byte ECC code for 256/512 byte block
*/
int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
@ -27,7 +33,7 @@ int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
unsigned int eccsize);
/*
* Detect and correct a 1 bit error for 256 byte block
* Detect and correct a 1 bit error for 256/512 byte block
*/
int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);