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mtd: nand: Create a NAND reset function

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When NAND devices are resetted some initialization may have to be done,
like for example they have to be configured for the timing mode that
shall be used. To get a common place where this initialization can be
implemented create a nand_reset() function. This currently only issues
a NAND_CMD_RESET to the NAND device. The places issuing this command
manually are replaced with a call to nand_reset().

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[Linux commit: 2f94abfe35b210e7711af9202a3dcfc9e779219a]
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Sascha Hauer 2017-11-22 02:38:15 +09:00 • committed by Masahiro Yamada
parent 6a1ff76ed3
commit 1728eb577d
2 changed files with 22 additions and 3 deletions
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4
include/linux/mtd/nand.h
View file

@ -1115,4 +1115,8 @@ int nand_check_erased_ecc_chunk(void *data, int datalen,
void *ecc, int ecclen,
void *extraoob, int extraooblen,
int threshold);
/* Reset and initialize a NAND device */
int nand_reset(struct nand_chip *chip);
#endif /* __LINUX_MTD_NAND_H */