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mtd: nand: Provide nand_cleanup() function to free NAND related resources

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Provide a nand_cleanup() function to free all nand related resources
without unregistering the mtd device.
This should allow drivers to call mtd_device_unregister() and handle
its return value and still being able to cleanup all nand related
resources.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Daniel Walter <dwalter@sigma-star.at>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Richard Weinberger 2016-09-21 11:44:41 +02:00 • committed by Boris Brezillon
parent a9843193ce
commit d44154f969
2 changed files with 19 additions and 8 deletions
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5
include/linux/mtd/nand.h
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@ -38,7 +38,7 @@ int nand_scan_ident(struct mtd_info *mtd, int max_chips,
struct nand_flash_dev *table);
int nand_scan_tail(struct mtd_info *mtd);
/* Free resources held by the NAND device */
/* Unregister the MTD device and free resources held by the NAND device */
void nand_release(struct mtd_info *mtd);
/* Internal helper for board drivers which need to override command function */
@ -1186,4 +1186,7 @@ int nand_read_oob_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
/* Reset and initialize a NAND device */
int nand_reset(struct nand_chip *chip);
/* Free resources held by the NAND device */
void nand_cleanup(struct nand_chip *chip);
#endif /* __LINUX_MTD_NAND_H */