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authorBoris Brezillon <bbrezillon@kernel.org>2018-10-25 17:10:37 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2019-04-08 10:21:12 +0200
commit629a442cad5facbebc204ff81e1974f8febab636 (patch)
treef24769f38c1fc76c8d6a1d06f08b3b621df361e7 /drivers/mtd/nand/raw/nand_samsung.c
parentmtd: rawnand: Prepare things to reuse the generic NAND layer (diff)
downloadlinux-dev-629a442cad5facbebc204ff81e1974f8febab636.tar.xz
linux-dev-629a442cad5facbebc204ff81e1974f8febab636.zip
mtd: rawnand: Fill memorg during detection
If we want to use the generic NAND layer, we need to have the memorg struct appropriately filled. Patch the detection code to fill this struct. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'drivers/mtd/nand/raw/nand_samsung.c')
-rw-r--r--drivers/mtd/nand/raw/nand_samsung.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/mtd/nand/raw/nand_samsung.c b/drivers/mtd/nand/raw/nand_samsung.c
index e46d4c492ad8..9a9ad43cc97d 100644
--- a/drivers/mtd/nand/raw/nand_samsung.c
+++ b/drivers/mtd/nand/raw/nand_samsung.c
@@ -20,6 +20,9 @@
static void samsung_nand_decode_id(struct nand_chip *chip)
{
struct mtd_info *mtd = nand_to_mtd(chip);
+ struct nand_memory_organization *memorg;
+
+ memorg = nanddev_get_memorg(&chip->base);
/* New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44) */
if (chip->id.len == 6 && !nand_is_slc(chip) &&
@@ -27,29 +30,30 @@ static void samsung_nand_decode_id(struct nand_chip *chip)
u8 extid = chip->id.data[3];
/* Get pagesize */
- mtd->writesize = 2048 << (extid & 0x03);
+ memorg->pagesize = 2048 << (extid & 0x03);
+ mtd->writesize = memorg->pagesize;
extid >>= 2;
/* Get oobsize */
switch (((extid >> 2) & 0x4) | (extid & 0x3)) {
case 1:
- mtd->oobsize = 128;
+ memorg->oobsize = 128;
break;
case 2:
- mtd->oobsize = 218;
+ memorg->oobsize = 218;
break;
case 3:
- mtd->oobsize = 400;
+ memorg->oobsize = 400;
break;
case 4:
- mtd->oobsize = 436;
+ memorg->oobsize = 436;
break;
case 5:
- mtd->oobsize = 512;
+ memorg->oobsize = 512;
break;
case 6:
- mtd->oobsize = 640;
+ memorg->oobsize = 640;
break;
default:
/*
@@ -62,8 +66,14 @@ static void samsung_nand_decode_id(struct nand_chip *chip)
break;
}
+ mtd->oobsize = memorg->oobsize;
+
/* Get blocksize */
extid >>= 2;
+ memorg->pages_per_eraseblock = (128 * 1024) <<
+ (((extid >> 1) & 0x04) |
+ (extid & 0x03)) /
+ memorg->pagesize;
mtd->erasesize = (128 * 1024) <<
(((extid >> 1) & 0x04) | (extid & 0x03));