xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtd: nand: omap: add support for BCH16_ECC - ELM driver updates

Browse Source 
ELM hardware engine is used to detect ECC errors for BCHx ecc-schemes
(like BCH4/BCH8/BCH16). This patch extends configuration of ELM registers
for adding support of BCH16_HW ecc-scheme.

Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
pekon gupta
2014-05-19 13:24:40 +05:30
committed by Brian Norris
parent 27c9fd6075
commit 2be589e4b2
2 changed files with 38 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/linux/platform_data/elm.h
View File

@@ -21,6 +21,7 @@
enum bch_ecc {
BCH4_ECC = 0,
BCH8_ECC,
BCH16_ECC,
};
/* ELM support 8 error syndrome process */
@@ -38,7 +39,7 @@ struct elm_errorvec {
bool error_reported;
bool error_uncorrectable;
int error_count;
int error_loc[ERROR_VECTOR_MAX];
int error_loc[16];
};
void elm_decode_bch_error_page(struct device *dev, u8 *ecc_calc,