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Diffstat (limited to 'drivers/mtd/nand/raw/tmio_nand.c')
-rw-r--r--drivers/mtd/nand/raw/tmio_nand.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/mtd/nand/raw/tmio_nand.c b/drivers/mtd/nand/raw/tmio_nand.c
index 235a2f7b1bad..aa6c7e7bbf1b 100644
--- a/drivers/mtd/nand/raw/tmio_nand.c
+++ b/drivers/mtd/nand/raw/tmio_nand.c
@@ -103,6 +103,7 @@
/*--------------------------------------------------------------------------*/
struct tmio_nand {
+ struct nand_controller controller;
struct nand_chip chip;
struct completion comp;
@@ -355,6 +356,25 @@ static void tmio_hw_stop(struct platform_device *dev, struct tmio_nand *tmio)
cell->disable(dev);
}
+static int tmio_attach_chip(struct nand_chip *chip)
+{
+ if (chip->ecc.engine_type != NAND_ECC_ENGINE_TYPE_ON_HOST)
+ return 0;
+
+ chip->ecc.size = 512;
+ chip->ecc.bytes = 6;
+ chip->ecc.strength = 2;
+ chip->ecc.hwctl = tmio_nand_enable_hwecc;
+ chip->ecc.calculate = tmio_nand_calculate_ecc;
+ chip->ecc.correct = tmio_nand_correct_data;
+
+ return 0;
+}
+
+static const struct nand_controller_ops tmio_ops = {
+ .attach_chip = tmio_attach_chip,
+};
+
static int tmio_probe(struct platform_device *dev)
{
struct tmio_nand_data *data = dev_get_platdata(&dev->dev);
@@ -385,6 +405,10 @@ static int tmio_probe(struct platform_device *dev)
mtd->name = "tmio-nand";
mtd->dev.parent = &dev->dev;
+ nand_controller_init(&tmio->controller);
+ tmio->controller.ops = &tmio_ops;
+ nand_chip->controller = &tmio->controller;
+
tmio->ccr = devm_ioremap(&dev->dev, ccr->start, resource_size(ccr));
if (!tmio->ccr)
return -EIO;
@@ -409,15 +433,6 @@ static int tmio_probe(struct platform_device *dev)
nand_chip->legacy.write_buf = tmio_nand_write_buf;
nand_chip->legacy.read_buf = tmio_nand_read_buf;
- /* set eccmode using hardware ECC */
- nand_chip->ecc.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST;
- nand_chip->ecc.size = 512;
- nand_chip->ecc.bytes = 6;
- nand_chip->ecc.strength = 2;
- nand_chip->ecc.hwctl = tmio_nand_enable_hwecc;
- nand_chip->ecc.calculate = tmio_nand_calculate_ecc;
- nand_chip->ecc.correct = tmio_nand_correct_data;
-
if (data)
nand_chip->badblock_pattern = data->badblock_pattern;