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mtd: rawnand: meson: use of_property_count_elems_of_size helper

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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>
This commit is contained in:
Martin Blumenstingl 2019-04-12 00:00:54 +02:00 committed by Miquel Raynal
parent 5f73f240a4
commit 2d8ffbf569
1 changed files with 1 additions and 4 deletions
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5
drivers/mtd/nand/raw/meson_nand.c
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@ -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;