[PATCH v4 10/58] mtd: nand: brcm: use the mtd instance embedded in struct nand_chip

From: Boris Brezillon
Date: Thu Dec 10 2015 - 03:22:38 EST


struct nand_chip now embeds an mtd device. Make use of this mtd instance.

Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
---
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/brcmnand/brcmnand.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index 190a99a..26b64bc 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -178,7 +178,6 @@ struct brcmnand_host {
struct list_head node;

struct nand_chip chip;
- struct mtd_info mtd;
struct platform_device *pdev;
int cs;

@@ -1074,7 +1073,7 @@ static int brcmnand_low_level_op(struct brcmnand_host *host,
enum brcmnand_llop_type type, u32 data,
bool last_op)
{
- struct mtd_info *mtd = &host->mtd;
+ struct mtd_info *mtd = nand_to_mtd(&host->chip);
struct nand_chip *chip = &host->chip;
struct brcmnand_controller *ctrl = host->ctrl;
u32 tmp;
@@ -1802,7 +1801,7 @@ static inline int get_blk_adr_bytes(u64 size, u32 writesize)

static int brcmnand_setup_dev(struct brcmnand_host *host)
{
- struct mtd_info *mtd = &host->mtd;
+ struct mtd_info *mtd = nand_to_mtd(&host->chip);
struct nand_chip *chip = &host->chip;
struct brcmnand_controller *ctrl = host->ctrl;
struct brcmnand_cfg *cfg = &host->hwcfg;
@@ -1916,7 +1915,7 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
return -ENXIO;
}

- mtd = &host->mtd;
+ mtd = nand_to_mtd(&host->chip);
chip = &host->chip;

nand_set_flash_node(chip, dn);
@@ -2060,8 +2059,8 @@ static int brcmnand_resume(struct device *dev)
}

list_for_each_entry(host, &ctrl->host_list, node) {
- struct mtd_info *mtd = &host->mtd;
- struct nand_chip *chip = mtd_to_nand(mtd);
+ struct nand_chip *chip = &host->chip;
+ struct mtd_info *mtd = nand_to_mtd(chip);

brcmnand_save_restore_cs_config(host, 1);

@@ -2262,7 +2261,7 @@ int brcmnand_remove(struct platform_device *pdev)
struct brcmnand_host *host;

list_for_each_entry(host, &ctrl->host_list, node)
- nand_release(&host->mtd);
+ nand_release(nand_to_mtd(&host->chip));

dev_set_drvdata(&pdev->dev, NULL);

--
2.1.4

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