[PATCH] phy: phy-uclass: check the parents for phys
Angus Ainslie
angus at akkea.ca
Thu Feb 3 19:08:38 CET 2022
The port/hub leaf nodes don't contain the phy definitions in some dts
files so check the parents.
Signed-off-by: Angus Ainslie <angus at akkea.ca>
---
drivers/phy/phy-uclass.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/drivers/phy/phy-uclass.c b/drivers/phy/phy-uclass.c
index 49e2ec25c2..8b84da3ce0 100644
--- a/drivers/phy/phy-uclass.c
+++ b/drivers/phy/phy-uclass.c
@@ -354,23 +354,31 @@ int generic_phy_configure(struct phy *phy, void *params)
int generic_phy_get_bulk(struct udevice *dev, struct phy_bulk *bulk)
{
int i, ret, count;
+ struct udevice *phydev = dev;
bulk->count = 0;
/* Return if no phy declared */
- if (!dev_read_prop(dev, "phys", NULL))
- return 0;
+ if (!dev_read_prop(dev, "phys", NULL)) {
+ phydev = dev->parent;
+ if (!dev_read_prop(phydev, "phys", NULL)) {
+ pr_err("%s : no phys property\n", __func__);
+ return 0;
+ }
+ }
- count = dev_count_phandle_with_args(dev, "phys", "#phy-cells", 0);
- if (count < 1)
+ count = dev_count_phandle_with_args(phydev, "phys", "#phy-cells", 0);
+ if (count < 1) {
+ pr_err("%s : no phys found %d\n", __func__, count);
return count;
+ }
- bulk->phys = devm_kcalloc(dev, count, sizeof(struct phy), GFP_KERNEL);
+ bulk->phys = devm_kcalloc(phydev, count, sizeof(struct phy), GFP_KERNEL);
if (!bulk->phys)
return -ENOMEM;
for (i = 0; i < count; i++) {
- ret = generic_phy_get_by_index(dev, i, &bulk->phys[i]);
+ ret = generic_phy_get_by_index(phydev, i, &bulk->phys[i]);
if (ret) {
pr_err("Failed to get PHY%d for %s\n", i, dev->name);
return ret;
--
2.25.1
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