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authorMarc Gonzalez <marc_gonzalez@sigmadesigns.com>2016-11-15 11:05:39 +0100
committerBoris Brezillon <boris.brezillon@free-electrons.com>2016-11-19 09:43:10 +0100
commitff9e9eae0f50ab3f7d1763677b62db4a2ed24a88 (patch)
tree8b127846f3c69df65a601c4d0cfdfe93dc81015c /drivers/mtd/nand
parent3371d663bb4579f1b2003a92162edd6d90edd089 (diff)
downloadblackbird-op-linux-ff9e9eae0f50ab3f7d1763677b62db4a2ed24a88.tar.gz
blackbird-op-linux-ff9e9eae0f50ab3f7d1763677b62db4a2ed24a88.zip
mtd: nand: tango: Enable custom page accessors
Enable NAND_ECC_CUSTOM_PAGE_ACCESS in the tango NFC driver. Fixup the "raw" page accessors to send the proper NAND commands. Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/tango_nand.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c
index fd8cf414cb2b..bacc2a02b7fe 100644
--- a/drivers/mtd/nand/tango_nand.c
+++ b/drivers/mtd/nand/tango_nand.c
@@ -402,13 +402,17 @@ static int raw_write(struct nand_chip *chip, const u8 *buf, const u8 *oob)
static int tango_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
u8 *buf, int oob_required, int page)
{
+ chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page);
return raw_read(chip, buf, chip->oob_poi);
}
static int tango_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
const u8 *buf, int oob_required, int page)
{
- return raw_write(chip, buf, chip->oob_poi);
+ chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0, page);
+ raw_write(chip, buf, chip->oob_poi);
+ chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
+ return 0;
}
static int tango_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
@@ -553,6 +557,7 @@ static int chip_init(struct device *dev, struct device_node *np)
ecc->write_page = tango_write_page;
ecc->read_oob = tango_read_oob;
ecc->write_oob = tango_write_oob;
+ ecc->options = NAND_ECC_CUSTOM_PAGE_ACCESS;
err = nand_scan_tail(mtd);
if (err)
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