diff options
| author | Janusz Krzysztofik <jmkrzyszt@gmail.com> | 2018-10-15 21:41:28 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-11-05 10:57:00 +0100 |
| commit | b0e137ad24b6cc36a4ab09558a401e124163eefb (patch) | |
| tree | 7f11d133ab8dfe72862727a67057cd4faff5c2c6 /include/linux/mtd | |
| parent | 41d6f0d07d76257cf2d39071a439c7dd1da7271e (diff) | |
mtd: rawnand: Provide helper for polling GPIO R/B pin
Each controller driver having access to NAND R/B pin over GPIO would
have to reimplement the polling loop otherwise.
Suggested-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/rawnand.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index e10b126e148f..4e91a70ede10 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -1346,4 +1346,8 @@ void nand_release(struct nand_chip *chip); */ int nand_soft_waitrdy(struct nand_chip *chip, unsigned long timeout_ms); +struct gpio_desc; +int nand_gpio_waitrdy(struct nand_chip *chip, struct gpio_desc *gpiod, + unsigned long timeout_ms); + #endif /* __LINUX_MTD_RAWNAND_H */ |