struct nand_chip now embeds an mtd device. Make use of this mtd instance.
Signed-off-by: Boris Brezillon <boris.brezil...@free-electrons.com>
---
Changes generated with the following coccinelle script
--->8---
virtual patch
@fix1@
identifier __chipfield, __mtdfield;
type __type;
@@
(
__type {
...
struct nand_chip __chipfield;
...
- struct mtd_info __mtdfield;
...
};
|
__type {
...
- struct mtd_info __mtdfield;
...
struct nand_chip __chipfield;
...
};
)
@fix2 depends on fix1@
identifier fix1.__chipfield, fix1.__mtdfield;
identifier __subfield;
type fix1.__type;
__type *__priv;
@@
(
- __priv->__mtdfield.__subfield
+ nand_to_mtd(&__priv->__chipfield)->__subfield
|
- &(__priv->__mtdfield)
+ nand_to_mtd(&__priv->__chipfield)
)
--->8---
---
drivers/mtd/nand/fsl_upm.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 68ec128..0379adc 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -31,7 +31,6 @@
struct fsl_upm_nand {
struct device *dev;
- struct mtd_info mtd;
struct nand_chip chip;
int last_ctrl;
struct mtd_partition *parts;
@@ -49,7 +48,8 @@ struct fsl_upm_nand {
static inline struct fsl_upm_nand *to_fsl_upm_nand(struct mtd_info *mtdinfo)
{
- return container_of(mtdinfo, struct fsl_upm_nand, mtd);
+ return container_of(mtd_to_nand(mtdinfo), struct fsl_upm_nand,
+ chip);
}
static int fun_chip_ready(struct mtd_info *mtd)
@@ -66,9 +66,10 @@ static int fun_chip_ready(struct mtd_info *mtd)
static void fun_wait_rnb(struct fsl_upm_nand *fun)
{
if (fun->rnb_gpio[fun->mchip_number] >= 0) {
+ struct mtd_info *mtd = nand_to_mtd(&fun->chip);
int cnt = 1000000;
- while (--cnt && !fun_chip_ready(&fun->mtd))
+ while (--cnt && !fun_chip_ready(mtd))
cpu_relax();
if (!cnt)
dev_err(fun->dev, "tired waiting for RNB\n");
@@ -157,6 +158,7 @@ static int fun_chip_init(struct fsl_upm_nand *fun,
const struct device_node *upm_np,
const struct resource *io_res)
{
+ struct mtd_info *mtd = nand_to_mtd(&fun->chip);
int ret;
struct device_node *flash_np;
@@ -174,30 +176,30 @@ static int fun_chip_init(struct fsl_upm_nand *fun,
if (fun->rnb_gpio[0] >= 0)
fun->chip.dev_ready = fun_chip_ready;
- fun->mtd.priv = &fun->chip;
- fun->mtd.dev.parent = fun->dev;
+ mtd->priv = &fun->chip;
+ mtd->dev.parent = fun->dev;
flash_np = of_get_next_child(upm_np, NULL);
if (!flash_np)
return -ENODEV;
nand_set_flash_node(&fun->chip, flash_np);
- fun->mtd.name = kasprintf(GFP_KERNEL, "0x%llx.%s", (u64)io_res->start,
- flash_np->name);
- if (!fun->mtd.name) {
+ mtd->name = kasprintf(GFP_KERNEL, "0x%llx.%s", (u64)io_res->start,
+ flash_np->name);
+ if (!mtd->name) {
ret = -ENOMEM;
goto err;
}
- ret = nand_scan(&fun->mtd, fun->mchip_count);
+ ret = nand_scan(mtd, fun->mchip_count);
if (ret)
goto err;
- ret = mtd_device_register(&fun->mtd, NULL, 0);
+ ret = mtd_device_register(mtd, NULL, 0);
err:
of_node_put(flash_np);
if (ret)
- kfree(fun->mtd.name);
+ kfree(mtd->name);
return ret;
}
@@ -321,10 +323,11 @@ err1:
static int fun_remove(struct platform_device *ofdev)
{
struct fsl_upm_nand *fun = dev_get_drvdata(&ofdev->dev);
+ struct mtd_info *mtd = nand_to_mtd(&fun->chip);
int i;
- nand_release(&fun->mtd);
- kfree(fun->mtd.name);
+ nand_release(mtd);
+ kfree(mtd->name);
for (i = 0; i < fun->mchip_count; i++) {
if (fun->rnb_gpio[i] < 0)
--
2.1.4
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