| Message ID | 20241020-phy_core_fix-v1-6-078062f7da71@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | phy: core: Fix bugs for several APIs and simplify an API | expand |
On 2024/10/20 13:27, Zijun Hu wrote: > From: Zijun Hu <quic_zijuhu@quicinc.com> > > Simplify of_phy_simple_xlate() implementation by API > class_find_device_by_of_node() which is also safer since it > subsys_get() @phy_class subsystem firstly then iterates devices. > > Also comment its parameter @dev with unused in passing since the parameter > provides no available input info but acts as an auto variable. > i am not sure which parameter is unused. @dev or @args comment says @args is not used here but code actually uses @args but does not use @dev > Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com> > --- > drivers/phy/phy-core.c | 19 ++++++------------- > 1 file changed, 6 insertions(+), 13 deletions(-) > > diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c > index 24bd619a33dd..102fc6b6ff71 100644 > --- a/drivers/phy/phy-core.c > +++ b/drivers/phy/phy-core.c > @@ -748,7 +748,7 @@ EXPORT_SYMBOL_GPL(devm_phy_put); > > /** > * of_phy_simple_xlate() - returns the phy instance from phy provider > - * @dev: the PHY provider device > + * @dev: the PHY provider device unused > * @args: of_phandle_args (not used here) > * > * Intended to be used by phy provider for the common case where #phy-cells is > @@ -759,20 +759,13 @@ EXPORT_SYMBOL_GPL(devm_phy_put); > struct phy *of_phy_simple_xlate(struct device *dev, > const struct of_phandle_args *args) > { > - struct phy *phy; > - struct class_dev_iter iter; > - > - class_dev_iter_init(&iter, &phy_class, NULL, NULL); > - while ((dev = class_dev_iter_next(&iter))) { > - phy = to_phy(dev); > - if (args->np != phy->dev.of_node) > - continue; > + struct device *target_dev; > > - class_dev_iter_exit(&iter); > - return phy; > + target_dev = class_find_device_by_of_node(&phy_class, args->np); > + if (target_dev) { > + put_device(target_dev); > + return to_phy(target_dev); > } > - > - class_dev_iter_exit(&iter); > return ERR_PTR(-ENODEV); > } > EXPORT_SYMBOL_GPL(of_phy_simple_xlate); >
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index 24bd619a33dd..102fc6b6ff71 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -748,7 +748,7 @@ EXPORT_SYMBOL_GPL(devm_phy_put); /** * of_phy_simple_xlate() - returns the phy instance from phy provider - * @dev: the PHY provider device + * @dev: the PHY provider device unused * @args: of_phandle_args (not used here) * * Intended to be used by phy provider for the common case where #phy-cells is @@ -759,20 +759,13 @@ EXPORT_SYMBOL_GPL(devm_phy_put); struct phy *of_phy_simple_xlate(struct device *dev, const struct of_phandle_args *args) { - struct phy *phy; - struct class_dev_iter iter; - - class_dev_iter_init(&iter, &phy_class, NULL, NULL); - while ((dev = class_dev_iter_next(&iter))) { - phy = to_phy(dev); - if (args->np != phy->dev.of_node) - continue; + struct device *target_dev; - class_dev_iter_exit(&iter); - return phy; + target_dev = class_find_device_by_of_node(&phy_class, args->np); + if (target_dev) { + put_device(target_dev); + return to_phy(target_dev); } - - class_dev_iter_exit(&iter); return ERR_PTR(-ENODEV); } EXPORT_SYMBOL_GPL(of_phy_simple_xlate);