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Diffstat (limited to 'drivers/mtd/nand/raw/s3c2410.c')
-rw-r--r--drivers/mtd/nand/raw/s3c2410.c52
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 */