summaryrefslogtreecommitdiffstats
path: root/drivers/mtd
diff options
context:
space:
mode:
authorMartin Blumenstingl <martin.blumenstingl@googlemail.com>2019-04-12 00:00:54 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2019-04-18 08:54:06 +0200
commit2d8ffbf569440f72b05a16f12453c25195220000 (patch)
tree946d2377300b4656a8ab96a4a2482c03731af85a /drivers/mtd
parent5f73f240a4ffe49f596314312f1d3731d011e195 (diff)
downloadlinux-2d8ffbf569440f72b05a16f12453c25195220000.tar.bz2
mtd: rawnand: meson: use of_property_count_elems_of_size helper
Use the of_property_count_elems_of_size() helper instead of open-coding it's logic. As a bonus this will now error out if the "reg" property values use an incorrect size (anything other than sizeof(u32)). Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Tested-by:Liang Yang <liang.yang@amlogic.com> Acked-by: Liang Yang <liang.yang@amlogic.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/raw/meson_nand.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
index c1a6af57dab5..9a6023638101 100644
--- a/drivers/mtd/nand/raw/meson_nand.c
+++ b/drivers/mtd/nand/raw/meson_nand.c
@@ -1233,10 +1233,7 @@ meson_nfc_nand_chip_init(struct device *dev,
int ret, i;
u32 tmp, nsels;
- if (!of_get_property(np, "reg", &nsels))
- return -EINVAL;
-
- nsels /= sizeof(u32);
+ nsels = of_property_count_elems_of_size(np, "reg", sizeof(u32));
if (!nsels || nsels > MAX_CE_NUM) {
dev_err(dev, "invalid register property size\n");
return -EINVAL;