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path: root/drivers/mtd/nand/raw/sharpsl.c
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Diffstat (limited to 'drivers/mtd/nand/raw/sharpsl.c')
-rw-r--r--drivers/mtd/nand/raw/sharpsl.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/mtd/nand/raw/sharpsl.c b/drivers/mtd/nand/raw/sharpsl.c
index 1327bfb3d5d3..af98bcc9d689 100644
--- a/drivers/mtd/nand/raw/sharpsl.c
+++ b/drivers/mtd/nand/raw/sharpsl.c
@@ -20,6 +20,7 @@
#include <linux/io.h>
struct sharpsl_nand {
+ struct nand_controller controller;
struct nand_chip chip;
void __iomem *io;
@@ -96,6 +97,25 @@ static int sharpsl_nand_calculate_ecc(struct nand_chip *chip,
return readb(sharpsl->io + ECCCNTR) != 0;
}
+static int sharpsl_attach_chip(struct nand_chip *chip)
+{
+ if (chip->ecc.engine_type != NAND_ECC_ENGINE_TYPE_ON_HOST)
+ return 0;
+
+ chip->ecc.size = 256;
+ chip->ecc.bytes = 3;
+ chip->ecc.strength = 1;
+ chip->ecc.hwctl = sharpsl_nand_enable_hwecc;
+ chip->ecc.calculate = sharpsl_nand_calculate_ecc;
+ chip->ecc.correct = nand_correct_data;
+
+ return 0;
+}
+
+static const struct nand_controller_ops sharpsl_ops = {
+ .attach_chip = sharpsl_attach_chip,
+};
+
/*
* Main initialization routine
*/
@@ -136,6 +156,10 @@ static int sharpsl_nand_probe(struct platform_device *pdev)
/* Get pointer to private data */
this = (struct nand_chip *)(&sharpsl->chip);
+ nand_controller_init(&sharpsl->controller);
+ sharpsl->controller.ops = &sharpsl_ops;
+ this->controller = &sharpsl->controller;
+
/* Link the private data with the MTD structure */
mtd = nand_to_mtd(this);
mtd->dev.parent = &pdev->dev;
@@ -156,15 +180,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev)
this->legacy.dev_ready = sharpsl_nand_dev_ready;
/* 15 us command delay time */
this->legacy.chip_delay = 15;
- /* set eccmode using hardware ECC */
- this->ecc.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST;
- this->ecc.size = 256;
- this->ecc.bytes = 3;
- this->ecc.strength = 1;
this->badblock_pattern = data->badblock_pattern;
- this->ecc.hwctl = sharpsl_nand_enable_hwecc;
- this->ecc.calculate = sharpsl_nand_calculate_ecc;
- this->ecc.correct = nand_correct_data;
/* Scan to find existence of the device */
err = nand_scan(this, 1);