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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2021-05-06 00:37:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-21 16:16:16 +0300 |
| commit | c91e5215a4136c33fde9b9688643dbac72139d9b (patch) | |
| tree | e84f2b056483e1f8aa362062a926418f523d8c2d | |
| parent | ae1e2bc7bfaa81a877251777b7027534ca9c1a82 (diff) | |
| download | linux-c91e5215a4136c33fde9b9688643dbac72139d9b.tar.xz | |
mtd: rawnand: Add a helper to clarify the interface configuration
[ Upstream commit 961965c45c706175b24227868b1c12d72775e446 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -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 c048e826746a..2228c34f3dea 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 db2eaff77f41..75535036b126 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -500,13 +500,22 @@ 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; |