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-rw-r--r--drivers/mtd/nand/raw/Kconfig2
-rw-r--r--drivers/mtd/nand/raw/mxc_nand.c75
2 files changed, 5 insertions, 72 deletions
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index cc86d6e4e042..b93e6cd23259 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -292,7 +292,7 @@ config MTD_NAND_VF610_NFC
config MTD_NAND_MXC
tristate "Freescale MXC NAND controller"
depends on ARCH_MXC || COMPILE_TEST
- depends on HAS_IOMEM
+ depends on HAS_IOMEM && OF
help
This enables the driver for the NAND flash controller on the
MXC processors.
diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c
index 684c51e5e60d..f896364968d8 100644
--- a/drivers/mtd/nand/raw/mxc_nand.c
+++ b/drivers/mtd/nand/raw/mxc_nand.c
@@ -21,7 +21,6 @@
#include <linux/completion.h>
#include <linux/of.h>
#include <linux/of_device.h>
-#include <linux/platform_data/mtd-mxc_nand.h>
#define DRIVER_NAME "mxc_nand"
@@ -184,7 +183,6 @@ struct mxc_nand_host {
unsigned int buf_start;
const struct mxc_nand_devtype_data *devtype_data;
- struct mxc_nand_platform_data pdata;
};
static const char * const part_probes[] = {
@@ -1611,29 +1609,6 @@ static inline int is_imx53_nfc(struct mxc_nand_host *host)
return host->devtype_data == &imx53_nand_devtype_data;
}
-static const struct platform_device_id mxcnd_devtype[] = {
- {
- .name = "imx21-nand",
- .driver_data = (kernel_ulong_t) &imx21_nand_devtype_data,
- }, {
- .name = "imx27-nand",
- .driver_data = (kernel_ulong_t) &imx27_nand_devtype_data,
- }, {
- .name = "imx25-nand",
- .driver_data = (kernel_ulong_t) &imx25_nand_devtype_data,
- }, {
- .name = "imx51-nand",
- .driver_data = (kernel_ulong_t) &imx51_nand_devtype_data,
- }, {
- .name = "imx53-nand",
- .driver_data = (kernel_ulong_t) &imx53_nand_devtype_data,
- }, {
- /* sentinel */
- }
-};
-MODULE_DEVICE_TABLE(platform, mxcnd_devtype);
-
-#ifdef CONFIG_OF
static const struct of_device_id mxcnd_dt_ids[] = {
{
.compatible = "fsl,imx21-nand",
@@ -1655,26 +1630,6 @@ static const struct of_device_id mxcnd_dt_ids[] = {
};
MODULE_DEVICE_TABLE(of, mxcnd_dt_ids);
-static int mxcnd_probe_dt(struct mxc_nand_host *host)
-{
- struct device_node *np = host->dev->of_node;
- const struct of_device_id *of_id =
- of_match_device(mxcnd_dt_ids, host->dev);
-
- if (!np)
- return 1;
-
- host->devtype_data = of_id->data;
-
- return 0;
-}
-#else
-static int mxcnd_probe_dt(struct mxc_nand_host *host)
-{
- return 1;
-}
-#endif
-
static int mxcnd_attach_chip(struct nand_chip *chip)
{
struct mtd_info *mtd = nand_to_mtd(chip);
@@ -1759,6 +1714,7 @@ static const struct nand_controller_ops mxcnd_controller_ops = {
static int mxcnd_probe(struct platform_device *pdev)
{
+ const struct of_device_id *of_id;
struct nand_chip *this;
struct mtd_info *mtd;
struct mxc_nand_host *host;
@@ -1800,20 +1756,8 @@ static int mxcnd_probe(struct platform_device *pdev)
if (IS_ERR(host->clk))
return PTR_ERR(host->clk);
- err = mxcnd_probe_dt(host);
- if (err > 0) {
- struct mxc_nand_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
- if (pdata) {
- host->pdata = *pdata;
- host->devtype_data = (struct mxc_nand_devtype_data *)
- pdev->id_entry->driver_data;
- } else {
- err = -ENODEV;
- }
- }
- if (err < 0)
- return err;
+ of_id = of_match_device(mxcnd_dt_ids, host->dev);
+ host->devtype_data = of_id->data;
if (!host->devtype_data->setup_interface)
this->options |= NAND_KEEP_TIMINGS;
@@ -1843,14 +1787,6 @@ static int mxcnd_probe(struct platform_device *pdev)
this->legacy.select_chip = host->devtype_data->select_chip;
- /* NAND bus width determines access functions used by upper layer */
- if (host->pdata.width == 2)
- this->options |= NAND_BUSWIDTH_16;
-
- /* update flash based bbt */
- if (host->pdata.flash_bbt)
- this->bbt_options |= NAND_BBT_USE_FLASH;
-
init_completion(&host->op_completion);
host->irq = platform_get_irq(pdev, 0);
@@ -1891,9 +1827,7 @@ static int mxcnd_probe(struct platform_device *pdev)
goto escan;
/* Register the partitions */
- err = mtd_device_parse_register(mtd, part_probes, NULL,
- host->pdata.parts,
- host->pdata.nr_parts);
+ err = mtd_device_parse_register(mtd, part_probes, NULL, NULL, 0);
if (err)
goto cleanup_nand;
@@ -1930,7 +1864,6 @@ static struct platform_driver mxcnd_driver = {
.name = DRIVER_NAME,
.of_match_table = of_match_ptr(mxcnd_dt_ids),
},
- .id_table = mxcnd_devtype,
.probe = mxcnd_probe,
.remove = mxcnd_remove,
};