diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/sysreset/sysreset_syscon.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/sysreset/sysreset_syscon.c b/drivers/sysreset/sysreset_syscon.c index f64701aab3..caf24823cc 100644 --- a/drivers/sysreset/sysreset_syscon.c +++ b/drivers/sysreset/sysreset_syscon.c @@ -41,6 +41,7 @@ static struct sysreset_ops syscon_reboot_ops = { int syscon_reboot_probe(struct udevice *dev) { struct syscon_reboot_priv *priv = dev_get_priv(dev); + int err; priv->regmap = syscon_regmap_lookup_by_phandle(dev, "regmap"); if (IS_ERR(priv->regmap)) { @@ -48,8 +49,17 @@ int syscon_reboot_probe(struct udevice *dev) return -ENODEV; } - priv->offset = dev_read_u32_default(dev, "offset", 0); - priv->mask = dev_read_u32_default(dev, "mask", 0); + err = dev_read_u32(dev, "offset", &priv->offset); + if (err) { + pr_err("unable to find offset\n"); + return -ENOENT; + } + + err = dev_read_u32(dev, "mask", &priv->mask); + if (err) { + pr_err("unable to find mask\n"); + return -ENOENT; + } return 0; } |