diff options
| author | Richard Weinberger <richard@nod.at> | 2016-09-21 11:44:41 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-09-23 09:35:16 +0200 |
| commit | d44154f969a44269a9288c274c1c2fd9e85df8a5 (patch) | |
| tree | e7988379fcd6d1a917db7139f11f4bac95fc46f9 /drivers/mtd | |
| parent | a9843193ce00b7f83432abe0815d03ffbeaf6ecf (diff) | |
| download | linux-d44154f969a44269a9288c274c1c2fd9e85df8a5.tar.gz | |
mtd: nand: Provide nand_cleanup() function to free NAND related resources
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>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index c06146941e16..7a00245ebada 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -4799,19 +4799,15 @@ int nand_scan(struct mtd_info *mtd, int maxchips) EXPORT_SYMBOL(nand_scan); /** - * nand_release - [NAND Interface] Free resources held by the NAND device - * @mtd: MTD device structure + * nand_cleanup - [NAND Interface] Free resources held by the NAND device + * @chip: NAND chip object */ -void nand_release(struct mtd_info *mtd) +void nand_cleanup(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); - if (chip->ecc.mode == NAND_ECC_SOFT && chip->ecc.algo == NAND_ECC_BCH) nand_bch_free((struct nand_bch_control *)chip->ecc.priv); - mtd_device_unregister(mtd); - nand_release_data_interface(chip); /* Free bad block table memory */ @@ -4824,6 +4820,18 @@ void nand_release(struct mtd_info *mtd) & NAND_BBT_DYNAMICSTRUCT) kfree(chip->badblock_pattern); } +EXPORT_SYMBOL_GPL(nand_cleanup); + +/** + * nand_release - [NAND Interface] Unregister the MTD device and free resources + * held by the NAND device + * @mtd: MTD device structure + */ +void nand_release(struct mtd_info *mtd) +{ + mtd_device_unregister(mtd); + nand_cleanup(mtd_to_nand(mtd)); +} EXPORT_SYMBOL_GPL(nand_release); MODULE_LICENSE("GPL"); |