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Groups > linux.kernel > #1289596

[PATCH v5 41/58] mtd: nand: socrates: use the mtd instance embedded in struct nand_chip

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

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
Changes since v4:
- fix build error

---
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/socrates_nand.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
index 2dfb1e0..925761c 100644
--- a/drivers/mtd/nand/socrates_nand.c
+++ b/drivers/mtd/nand/socrates_nand.c
@@ -30,7 +30,6 @@
 
 struct socrates_nand_host {
 	struct nand_chip	nand_chip;
-	struct mtd_info		mtd;
 	void __iomem		*io_base;
 	struct device		*dev;
 };
@@ -159,8 +158,8 @@ static int socrates_nand_probe(struct platform_device *ofdev)
 		return -EIO;
 	}
 
-	mtd = &host->mtd;
 	nand_chip = &host->nand_chip;
+	mtd = nand_to_mtd(nand_chip);
 	host->dev = &ofdev->dev;
 
 	nand_chip->priv = host;		/* link the private data structures */
@@ -216,7 +215,7 @@ out:
 static int socrates_nand_remove(struct platform_device *ofdev)
 {
 	struct socrates_nand_host *host = dev_get_drvdata(&ofdev->dev);
-	struct mtd_info *mtd = &host->mtd;
+	struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
 
 	nand_release(mtd);
 
-- 
2.1.4

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[PATCH v4 41/58] mtd: nand: socrates: use the mtd instance embedded in struct nand_chip Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-12-10 09:20 +0100
  [PATCH v5 41/58] mtd: nand: socrates: use the mtd instance embedded in struct nand_chip Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-12-11 15:10 +0100

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