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| author | Brian Norris <computersforpeace@gmail.com> | 2014-09-15 16:28:16 -0700 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-09-15 16:28:16 -0700 |
| commit | 7622d4905a038961da6b1c6c3fe4be6c3dad7ef9 (patch) | |
| tree | cce9f4bc0ef2de31cee8e06e2cd6358dd51fa9c5 /drivers/mtd | |
| parent | 5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3 (diff) | |
| parent | 9e82bf014195d6f0054982c463575cdce24292be (diff) | |
| download | linux-rpi-7622d4905a038961da6b1c6c3fe4be6c3dad7ef9.tar.gz linux-rpi-7622d4905a038961da6b1c6c3fe4be6c3dad7ef9.tar.bz2 linux-rpi-7622d4905a038961da6b1c6c3fe4be6c3dad7ef9.zip | |
Merge tag 'v3.17-rc5' from upstream
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/omap2.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index f0ed92e210a1..5967b385141b 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -931,7 +931,7 @@ static int omap_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u32 val; val = readl(info->reg.gpmc_ecc_config); - if (((val >> ECC_CONFIG_CS_SHIFT) & ~CS_MASK) != info->gpmc_cs) + if (((val >> ECC_CONFIG_CS_SHIFT) & CS_MASK) != info->gpmc_cs) return -EINVAL; /* read ecc result */ @@ -1794,9 +1794,12 @@ static int omap_nand_probe(struct platform_device *pdev) } /* populate MTD interface based on ECC scheme */ - nand_chip->ecc.layout = &omap_oobinfo; ecclayout = &omap_oobinfo; switch (info->ecc_opt) { + case OMAP_ECC_HAM1_CODE_SW: + nand_chip->ecc.mode = NAND_ECC_SOFT; + break; + case OMAP_ECC_HAM1_CODE_HW: pr_info("nand: using OMAP_ECC_HAM1_CODE_HW\n"); nand_chip->ecc.mode = NAND_ECC_HW; @@ -1848,7 +1851,7 @@ static int omap_nand_probe(struct platform_device *pdev) nand_chip->ecc.priv = nand_bch_init(mtd, nand_chip->ecc.size, nand_chip->ecc.bytes, - &nand_chip->ecc.layout); + &ecclayout); if (!nand_chip->ecc.priv) { pr_err("nand: error: unable to use s/w BCH library\n"); err = -EINVAL; @@ -1923,7 +1926,7 @@ static int omap_nand_probe(struct platform_device *pdev) nand_chip->ecc.priv = nand_bch_init(mtd, nand_chip->ecc.size, nand_chip->ecc.bytes, - &nand_chip->ecc.layout); + &ecclayout); if (!nand_chip->ecc.priv) { pr_err("nand: error: unable to use s/w BCH library\n"); err = -EINVAL; @@ -2012,6 +2015,9 @@ static int omap_nand_probe(struct platform_device *pdev) goto return_error; } + if (info->ecc_opt == OMAP_ECC_HAM1_CODE_SW) + goto scan_tail; + /* all OOB bytes from oobfree->offset till end off OOB are free */ ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset; /* check if NAND device's OOB is enough to store ECC signatures */ @@ -2021,7 +2027,9 @@ static int omap_nand_probe(struct platform_device *pdev) err = -EINVAL; goto return_error; } + nand_chip->ecc.layout = ecclayout; +scan_tail: /* second phase scan */ if (nand_scan_tail(mtd)) { err = -ENXIO; |