diff options
Diffstat (limited to 'drivers/mtd/nand/raw/gpio.c')
| -rw-r--r-- | drivers/mtd/nand/raw/gpio.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/mtd/nand/raw/gpio.c b/drivers/mtd/nand/raw/gpio.c index fb7a086de35e..69e5e43532a4 100644 --- a/drivers/mtd/nand/raw/gpio.c +++ b/drivers/mtd/nand/raw/gpio.c @@ -163,9 +163,8 @@ static int gpio_nand_exec_op(struct nand_chip *chip, static int gpio_nand_attach_chip(struct nand_chip *chip) { - chip->ecc.engine_type = NAND_ECC_ENGINE_TYPE_SOFT; - - if (chip->ecc.algo == NAND_ECC_ALGO_UNKNOWN) + if (chip->ecc.engine_type == NAND_ECC_ENGINE_TYPE_SOFT && + chip->ecc.algo == NAND_ECC_ALGO_UNKNOWN) chip->ecc.algo = NAND_ECC_ALGO_HAMMING; return 0; @@ -266,7 +265,7 @@ gpio_nand_get_io_sync(struct platform_device *pdev) return platform_get_resource(pdev, IORESOURCE_MEM, 1); } -static int gpio_nand_remove(struct platform_device *pdev) +static void gpio_nand_remove(struct platform_device *pdev) { struct gpiomtd *gpiomtd = platform_get_drvdata(pdev); struct nand_chip *chip = &gpiomtd->nand_chip; @@ -281,8 +280,6 @@ static int gpio_nand_remove(struct platform_device *pdev) gpiod_set_value(gpiomtd->nwp, 0); if (gpiomtd->nce && !IS_ERR(gpiomtd->nce)) gpiod_set_value(gpiomtd->nce, 0); - - return 0; } static int gpio_nand_probe(struct platform_device *pdev) @@ -303,8 +300,7 @@ static int gpio_nand_probe(struct platform_device *pdev) chip = &gpiomtd->nand_chip; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - gpiomtd->io = devm_ioremap_resource(dev, res); + gpiomtd->io = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(gpiomtd->io)) return PTR_ERR(gpiomtd->io); @@ -365,6 +361,13 @@ static int gpio_nand_probe(struct platform_device *pdev) if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp)) gpiod_direction_output(gpiomtd->nwp, 1); + /* + * This driver assumes that the default ECC engine should be TYPE_SOFT. + * Set ->engine_type before registering the NAND devices in order to + * provide a driver specific default value. + */ + chip->ecc.engine_type = NAND_ECC_ENGINE_TYPE_SOFT; + ret = nand_scan(chip, 1); if (ret) goto err_wp; |