@@ -431,6 +431,11 @@
#phy-cells = <0>;
};
+ phy_provider3: gen_phy@3 {
+ compatible = "sandbox,phy";
+ #phy-cells = <2>;
+ };
+
gen_phy_user: gen_phy_user {
compatible = "simple-bus";
phys = <&phy_provider0 0>, <&phy_provider0 1>, <&phy_provider1>;
@@ -443,6 +448,12 @@
phy-names = "phy1", "phy2";
};
+ gen_phy_user2: gen_phy_user2 {
+ compatible = "simple-bus";
+ phys = <&phy_provider3 0 0>;
+ phy-names = "phy1";
+ };
+
some-bus {
#address-cells = <1>;
#size-cells = <0>;
@@ -195,6 +195,7 @@ int generic_phy_get_by_index_nodev(ofnode node, int index, struct phy *phy)
return 0;
err:
+ phy->dev = NULL;
return ret;
}
@@ -49,7 +49,7 @@ static int dm_test_phy_base(struct unit_test_state *uts)
ut_assert(phy2.dev != phy3.dev);
/* Try to get a non-existing phy */
- ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PHY, 4, &dev));
+ ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PHY, 5, &dev));
ut_asserteq(-ENODATA, generic_phy_get_by_name(parent,
"phy_not_existing", &phy1_method1));
ut_assert(!generic_phy_valid(&phy1_method1));
@@ -57,6 +57,16 @@ static int dm_test_phy_base(struct unit_test_state *uts)
&phy1_method2));
ut_assert(!generic_phy_valid(&phy1_method2));
+ /* Try to get a phy where of_xlate fail */
+ ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
+ "gen_phy_user2", &parent));
+ ut_asserteq(-EINVAL, generic_phy_get_by_name(parent, "phy1",
+ &phy1_method1));
+ ut_assert(!generic_phy_valid(&phy1_method1));
+ ut_asserteq(-EINVAL, generic_phy_get_by_index(parent, 0,
+ &phy1_method2));
+ ut_assert(!generic_phy_valid(&phy1_method2));
+
return 0;
}
DM_TEST(dm_test_phy_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
Generic phy helpers typically use generic_phy_valid() to determine if the helper should perform its function on a passed struct phy. generic_phy_valid() treat any struct phy having phy->dev set as valid. With generic_phy_get_by_index_nodev() setting phy->dev to a valid struct udevice early, there can be situations where the struct phy is returned as valid when initialization in fact failed and returned an error. Fix this by setting phy->dev back to NULL when any of the calls to of_xlate ops, device_get_supply_regulator or phy_alloc_counts fail. Also extend the dm_test_phy_base test with a test where of_xlate ops fail. Fixes: 72e5016f878d ("drivers: phy: add generic PHY framework") Fixes: b9688df3cbf4 ("drivers: phy: Set phy->dev to NULL when generic_phy_get_by_index() fails") Signed-off-by: Jonas Karlman <jonas@kwiboo.se> --- arch/sandbox/dts/test.dts | 11 +++++++++++ drivers/phy/phy-uclass.c | 1 + test/dm/phy.c | 12 +++++++++++- 3 files changed, 23 insertions(+), 1 deletion(-)