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path: root/drivers/mtd/nand/bf5xx_nand.c
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Diffstat (limited to 'drivers/mtd/nand/bf5xx_nand.c')
-rw-r--r--drivers/mtd/nand/bf5xx_nand.c61
1 files changed, 18 insertions, 43 deletions
diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index 79947bea4d5..722898aea7a 100644
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -37,7 +37,6 @@
#include <linux/module.h>
#include <linux/types.h>
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/ioport.h>
@@ -171,7 +170,7 @@ static struct bf5xx_nand_info *to_nand_info(struct platform_device *pdev)
static struct bf5xx_nand_platform *to_nand_plat(struct platform_device *pdev)
{
- return pdev->dev.platform_data;
+ return dev_get_platdata(&pdev->dev);
}
/*
@@ -558,7 +557,7 @@ static void bf5xx_nand_dma_write_buf(struct mtd_info *mtd,
}
static int bf5xx_nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
- uint8_t *buf, int page)
+ uint8_t *buf, int oob_required, int page)
{
bf5xx_nand_read_buf(mtd, buf, mtd->writesize);
bf5xx_nand_read_buf(mtd, chip->oob_poi, mtd->oobsize);
@@ -566,11 +565,13 @@ static int bf5xx_nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip
return 0;
}
-static void bf5xx_nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
- const uint8_t *buf)
+static int bf5xx_nand_write_page_raw(struct mtd_info *mtd,
+ struct nand_chip *chip, const uint8_t *buf, int oob_required)
{
bf5xx_nand_write_buf(mtd, buf, mtd->writesize);
bf5xx_nand_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+ return 0;
}
/*
@@ -656,26 +657,19 @@ static int bf5xx_nand_hw_init(struct bf5xx_nand_info *info)
/*
* Device management interface
*/
-static int __devinit bf5xx_nand_add_partition(struct bf5xx_nand_info *info)
+static int bf5xx_nand_add_partition(struct bf5xx_nand_info *info)
{
struct mtd_info *mtd = &info->mtd;
-
-#ifdef CONFIG_MTD_PARTITIONS
struct mtd_partition *parts = info->platform->partitions;
int nr = info->platform->nr_partitions;
- return add_mtd_partitions(mtd, parts, nr);
-#else
- return add_mtd_device(mtd);
-#endif
+ return mtd_device_register(mtd, parts, nr);
}
-static int __devexit bf5xx_nand_remove(struct platform_device *pdev)
+static int bf5xx_nand_remove(struct platform_device *pdev)
{
struct bf5xx_nand_info *info = to_nand_info(pdev);
- platform_set_drvdata(pdev, NULL);
-
/* first thing we need to do is release all our mtds
* and their partitions, then go through freeing the
* resources used
@@ -685,9 +679,6 @@ static int __devexit bf5xx_nand_remove(struct platform_device *pdev)
peripheral_free_list(bfin_nfc_pin_req);
bf5xx_nand_dma_remove(info);
- /* free the common resources */
- kfree(info);
-
return 0;
}
@@ -707,9 +698,11 @@ static int bf5xx_nand_scan(struct mtd_info *mtd)
if (likely(mtd->writesize >= 512)) {
chip->ecc.size = 512;
chip->ecc.bytes = 6;
+ chip->ecc.strength = 2;
} else {
chip->ecc.size = 256;
chip->ecc.bytes = 3;
+ chip->ecc.strength = 1;
bfin_write_NFC_CTL(bfin_read_NFC_CTL() & ~(1 << NFC_PG_SIZE_OFFSET));
SSYNC();
}
@@ -726,7 +719,7 @@ static int bf5xx_nand_scan(struct mtd_info *mtd)
* it can allocate all necessary resources then calls the
* nand layer to look for devices
*/
-static int __devinit bf5xx_nand_probe(struct platform_device *pdev)
+static int bf5xx_nand_probe(struct platform_device *pdev)
{
struct bf5xx_nand_platform *plat = to_nand_plat(pdev);
struct bf5xx_nand_info *info = NULL;
@@ -746,11 +739,10 @@ static int __devinit bf5xx_nand_probe(struct platform_device *pdev)
return -EFAULT;
}
- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (info == NULL) {
- dev_err(&pdev->dev, "no memory for flash info\n");
err = -ENOMEM;
- goto out_err_kzalloc;
+ goto out_err;
}
platform_set_drvdata(pdev, info);
@@ -795,7 +787,7 @@ static int __devinit bf5xx_nand_probe(struct platform_device *pdev)
/* initialise the hardware */
err = bf5xx_nand_hw_init(info);
if (err)
- goto out_err_hw_init;
+ goto out_err;
/* setup hardware ECC data struct */
if (hardware_ecc) {
@@ -832,10 +824,7 @@ static int __devinit bf5xx_nand_probe(struct platform_device *pdev)
out_err_nand_scan:
bf5xx_nand_dma_remove(info);
-out_err_hw_init:
- platform_set_drvdata(pdev, NULL);
- kfree(info);
-out_err_kzalloc:
+out_err:
peripheral_free_list(bfin_nfc_pin_req);
return err;
@@ -866,7 +855,7 @@ static int bf5xx_nand_resume(struct platform_device *dev)
/* driver device registration */
static struct platform_driver bf5xx_nand_driver = {
.probe = bf5xx_nand_probe,
- .remove = __devexit_p(bf5xx_nand_remove),
+ .remove = bf5xx_nand_remove,
.suspend = bf5xx_nand_suspend,
.resume = bf5xx_nand_resume,
.driver = {
@@ -875,21 +864,7 @@ static struct platform_driver bf5xx_nand_driver = {
},
};
-static int __init bf5xx_nand_init(void)
-{
- printk(KERN_INFO "%s, Version %s (c) 2007 Analog Devices, Inc.\n",
- DRV_DESC, DRV_VERSION);
-
- return platform_driver_register(&bf5xx_nand_driver);
-}
-
-static void __exit bf5xx_nand_exit(void)
-{
- platform_driver_unregister(&bf5xx_nand_driver);
-}
-
-module_init(bf5xx_nand_init);
-module_exit(bf5xx_nand_exit);
+module_platform_driver(bf5xx_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR(DRV_AUTHOR);