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path: root/drivers/phy/phy-stm32-usbphyc.c
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Diffstat (limited to 'drivers/phy/phy-stm32-usbphyc.c')
-rw-r--r--drivers/phy/phy-stm32-usbphyc.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/phy/phy-stm32-usbphyc.c b/drivers/phy/phy-stm32-usbphyc.c
index fc53df25ef3..ec5b47c8a4e 100644
--- a/drivers/phy/phy-stm32-usbphyc.c
+++ b/drivers/phy/phy-stm32-usbphyc.c
@@ -297,19 +297,20 @@ static int stm32_usbphyc_get_regulator(struct udevice *dev, ofnode node,
static int stm32_usbphyc_of_xlate(struct phy *phy,
struct ofnode_phandle_args *args)
{
- if (args->args_count > 1) {
- pr_debug("%s: invalid args_count: %d\n", __func__,
- args->args_count);
- return -EINVAL;
- }
+ if (args->args_count < 1)
+ return -ENODEV;
if (args->args[0] >= MAX_PHYS)
return -ENODEV;
- if (args->args_count)
- phy->id = args->args[0];
- else
- phy->id = 0;
+ phy->id = args->args[0];
+
+ if ((phy->id == 0 && args->args_count != 1) ||
+ (phy->id == 1 && args->args_count != 2)) {
+ dev_err(dev, "invalid number of cells for phy port%ld\n",
+ phy->id);
+ return -EINVAL;
+ }
return 0;
}