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mtd: devices: elm: clean elm_load_syndrome

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This patch refactors elm_load_syndrome() to make it scalable for newer
ECC schemes by removing scheme specific macros (like ECC_BYTES*xx),
and instead using ECC control information passed during elm_config.

Signed-off-by: Pekon Gupta <pekon@ti.com>
Reviewed-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Pekon Gupta
2014-03-20 18:48:35 +05:30
committed by Brian Norris
parent 3f4eb14bdb
commit ea0760244d
2 changed files with 11 additions and 14 deletions
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7
include/linux/platform_data/elm.h
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@@ -26,13 +26,6 @@ enum bch_ecc {
/* ELM support 8 error syndrome process */
#define ERROR_VECTOR_MAX 8
#define BCH8_ECC_OOB_BYTES 13
#define BCH4_ECC_OOB_BYTES 7
/* RBL requires 14 byte even though BCH8 uses only 13 byte */
#define BCH8_SIZE (BCH8_ECC_OOB_BYTES + 1)
/* Uses 1 extra byte to handle erased pages */
#define BCH4_SIZE (BCH4_ECC_OOB_BYTES + 1)
/**
* struct elm_errorvec - error vector for elm
* @error_reported: set true for vectors error is reported