summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/mtd/nand/raw/atmel/nand-controller.c2
-rw-r--r--include/linux/mtd/rawnand.h11
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;