diff options
Diffstat (limited to 'drivers/mtd/nand/raw/s3c2410.c')
-rw-r--r-- | drivers/mtd/nand/raw/s3c2410.c | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/drivers/mtd/nand/raw/s3c2410.c b/drivers/mtd/nand/raw/s3c2410.c index 19661c5d3220..c21e8892394a 100644 --- a/drivers/mtd/nand/raw/s3c2410.c +++ b/drivers/mtd/nand/raw/s3c2410.c @@ -162,7 +162,7 @@ enum s3c_nand_clk_state { */ struct s3c2410_nand_info { /* mtd info */ - struct nand_hw_control controller; + struct nand_controller controller; struct s3c2410_nand_mtd *mtds; struct s3c2410_platform_nand *platform; @@ -802,8 +802,8 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info, mtdinfo->name = set->name; - return mtd_device_parse_register(mtdinfo, NULL, NULL, - set->partitions, set->nr_partitions); + return mtd_device_register(mtdinfo, set->partitions, + set->nr_partitions); } return -ENODEV; @@ -915,20 +915,19 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info, } /** - * s3c2410_nand_update_chip - post probe update - * @info: The controller instance. - * @nmtd: The driver version of the MTD instance. + * s3c2410_nand_attach_chip - Init the ECC engine after NAND scan + * @chip: The NAND chip * - * This routine is called after the chip probe has successfully completed - * and the relevant per-chip information updated. This call ensure that + * This hook is called by the core after the identification of the NAND chip, + * once the relevant per-chip information is up to date.. This call ensure that * we update the internal state accordingly. * * The internal state is currently limited to the ECC state information. */ -static int s3c2410_nand_update_chip(struct s3c2410_nand_info *info, - struct s3c2410_nand_mtd *nmtd) +static int s3c2410_nand_attach_chip(struct nand_chip *chip) { - struct nand_chip *chip = &nmtd->chip; + struct mtd_info *mtd = nand_to_mtd(chip); + struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd); switch (chip->ecc.mode) { @@ -998,6 +997,10 @@ static int s3c2410_nand_update_chip(struct s3c2410_nand_info *info, return 0; } +static const struct nand_controller_ops s3c24xx_nand_controller_ops = { + .attach_chip = s3c2410_nand_attach_chip, +}; + static const struct of_device_id s3c24xx_nand_dt_ids[] = { { .compatible = "samsung,s3c2410-nand", @@ -1094,7 +1097,8 @@ static int s3c24xx_nand_probe(struct platform_device *pdev) platform_set_drvdata(pdev, info); - nand_hw_control_init(&info->controller); + nand_controller_init(&info->controller); + info->controller.ops = &s3c24xx_nand_controller_ops; /* get the clock source and enable it */ @@ -1134,8 +1138,13 @@ static int s3c24xx_nand_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "mapped registers at %p\n", info->regs); - sets = (plat != NULL) ? plat->sets : NULL; - nr_sets = (plat != NULL) ? plat->nr_sets : 1; + if (!plat->sets || plat->nr_sets < 1) { + err = -EINVAL; + goto exit_error; + } + + sets = plat->sets; + nr_sets = plat->nr_sets; info->mtd_count = nr_sets; @@ -1152,7 +1161,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev) nmtd = info->mtds; - for (setno = 0; setno < nr_sets; setno++, nmtd++) { + for (setno = 0; setno < nr_sets; setno++, nmtd++, sets++) { struct mtd_info *mtd = nand_to_mtd(&nmtd->chip); pr_debug("initialising set %d (%p, info %p)\n", @@ -1161,22 +1170,11 @@ static int s3c24xx_nand_probe(struct platform_device *pdev) mtd->dev.parent = &pdev->dev; s3c2410_nand_init_chip(info, nmtd, sets); - err = nand_scan_ident(mtd, (sets) ? sets->nr_chips : 1, NULL); - if (err) - goto exit_error; - - err = s3c2410_nand_update_chip(info, nmtd); - if (err < 0) - goto exit_error; - - err = nand_scan_tail(mtd); + err = nand_scan(mtd, sets ? sets->nr_chips : 1); if (err) goto exit_error; s3c2410_nand_add_partition(info, nmtd, sets); - - if (sets != NULL) - sets++; } /* initialise the hardware */ |