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-rw-r--r--Documentation/devicetree/bindings/mtd/gpmc-nand.txt8
-rw-r--r--arch/arm/mach-omap2/board-flash.c2
-rw-r--r--drivers/mtd/nand/omap2.c9
-rw-r--r--include/linux/platform_data/mtd-nand-omap2.h7
4 files changed, 9 insertions, 17 deletions
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
index bfe07e152738..5e1f31b5ff70 100644
--- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
@@ -22,10 +22,10 @@ Optional properties:
width of 8 is assumed.
- ti,nand-ecc-opt: A string setting the ECC layout to use. One of:
-
- "sw" Software method (default)
- "hw" Hardware method
- "hw-romcode" gpmc hamming mode method & romcode layout
+ "sw" <deprecated> use "ham1" instead
+ "hw" <deprecated> use "ham1" instead
+ "hw-romcode" <deprecated> use "ham1" instead
+ "ham1" 1-bit Hamming ecc code
"bch4" 4-bit BCH ecc code
"bch8" 8-bit BCH ecc code
diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c
index fc20a61f6b2a..ac82512b9c8c 100644
--- a/arch/arm/mach-omap2/board-flash.c
+++ b/arch/arm/mach-omap2/board-flash.c
@@ -142,7 +142,7 @@ __init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs,
board_nand_data.nr_parts = nr_parts;
board_nand_data.devsize = nand_type;
- board_nand_data.ecc_opt = OMAP_ECC_HAMMING_CODE_DEFAULT;
+ board_nand_data.ecc_opt = OMAP_ECC_BCH8_CODE_HW;
gpmc_nand_init(&board_nand_data, gpmc_t);
}
#endif /* CONFIG_MTD_NAND_OMAP2 || CONFIG_MTD_NAND_OMAP2_MODULE */
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 4ecf0e5fd484..8d521aa001c8 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1993,10 +1993,7 @@ static int omap_nand_probe(struct platform_device *pdev)
}
/* select the ecc type */
- if (pdata->ecc_opt == OMAP_ECC_HAMMING_CODE_DEFAULT)
- info->nand.ecc.mode = NAND_ECC_SOFT;
- else if ((pdata->ecc_opt == OMAP_ECC_HAMMING_CODE_HW) ||
- (pdata->ecc_opt == OMAP_ECC_HAMMING_CODE_HW_ROMCODE)) {
+ if (pdata->ecc_opt == OMAP_ECC_HAM1_CODE_HW) {
info->nand.ecc.bytes = 3;
info->nand.ecc.size = 512;
info->nand.ecc.strength = 1;
@@ -2025,7 +2022,7 @@ static int omap_nand_probe(struct platform_device *pdev)
}
/* rom code layout */
- if (pdata->ecc_opt == OMAP_ECC_HAMMING_CODE_HW_ROMCODE) {
+ if (pdata->ecc_opt == OMAP_ECC_HAM1_CODE_HW) {
if (info->nand.options & NAND_BUSWIDTH_16)
offset = 2;
@@ -2033,7 +2030,7 @@ static int omap_nand_probe(struct platform_device *pdev)
offset = 1;
info->nand.badblock_pattern = &bb_descrip_flashbased;
}
- omap_oobinfo.eccbytes = 3 * (info->mtd.oobsize/16);
+ omap_oobinfo.eccbytes = 3 * (info->mtd.writesize / 512);
for (i = 0; i < omap_oobinfo.eccbytes; i++)
omap_oobinfo.eccpos[i] = i+offset;
diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h
index e4128f1510bf..4da5bfa2147f 100644
--- a/include/linux/platform_data/mtd-nand-omap2.h
+++ b/include/linux/platform_data/mtd-nand-omap2.h
@@ -23,13 +23,8 @@ enum nand_io {
};
enum omap_ecc {
- /* 1-bit ecc: stored at end of spare area */
- OMAP_ECC_HAMMING_CODE_DEFAULT = 0, /* Default, s/w method */
- OMAP_ECC_HAMMING_CODE_HW, /* gpmc to detect the error */
- /* 1-bit ecc: stored at beginning of spare area as romcode */
- OMAP_ECC_HAMMING_CODE_HW_ROMCODE, /* gpmc method & romcode layout */
/* 1-bit ECC calculation by GPMC, Error detection by Software */
- OMAP_ECC_HAM1_CODE_HW,
+ OMAP_ECC_HAM1_CODE_HW = 0,
/* 4-bit ECC calculation by GPMC, Error detection by Software */
OMAP_ECC_BCH4_CODE_HW_DETECTION_SW,
/* 4-bit ECC calculation by GPMC, Error detection by ELM */