diff options
| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2021-05-05 23:37:29 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2021-05-26 10:43:31 +0200 |
| commit | 961965c45c706175b24227868b1c12d72775e446 (patch) | |
| tree | 4c3515c277ff16d7976906b30a3ae045562af954 | |
| parent | fd0d8d85f7230052e638a56d1bfea170c488e6bc (diff) | |
mtd: rawnand: Add a helper to clarify the interface configuration
Name it nand_interface_is_sdr() which will make even more sense when
nand_interface_is_nvddr() will be introduced.
Use it when relevant.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210505213750.257417-2-miquel.raynal@bootlin.com
| -rw-r--r-- | drivers/mtd/nand/raw/atmel/nand-controller.c | 2 | ||||
| -rw-r--r-- | include/linux/mtd/rawnand.h | 11 |
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index 8aab1017b460..53b3a11b9952 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -1246,7 +1246,7 @@ static int atmel_smc_nand_prepare_smcconf(struct atmel_nand *nand, nc = to_nand_controller(nand->base.controller); /* DDR interface not supported. */ - if (conf->type != NAND_SDR_IFACE) + if (!nand_interface_is_sdr(conf)) return -ENOTSUPP; /* diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 29df2f43dcb5..39b31f8e03b7 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -497,13 +497,22 @@ struct nand_interface_config { }; /** + * nand_interface_is_sdr - get the interface type + * @conf: The data interface + */ +static bool nand_interface_is_sdr(const struct nand_interface_config *conf) +{ + return conf->type == NAND_SDR_IFACE; +} + +/** * nand_get_sdr_timings - get SDR timing from data interface * @conf: The data interface */ static inline const struct nand_sdr_timings * nand_get_sdr_timings(const struct nand_interface_config *conf) { - if (conf->type != NAND_SDR_IFACE) + if (!nand_interface_is_sdr(conf)) return ERR_PTR(-EINVAL); return &conf->timings.sdr; |