On Sunday, December 31, 2017 12:58:37 PM CET Marcin Wojtas wrote: > Until now there were two almost identical functions for > obtaining network PHY mode - of_get_phy_mode() and, > more generic, device_get_phy_mode(). However it is not uncommon, > that the network interface is represented as a child > of the actual controller, hence it is not associated > directly to any struct device, required by the latter > routine. > > This commit allows for getting the PHY mode for > children nodes in the ACPI world by introducing a new function - > fwnode_get_phy_mode(). This commit also changes > device_get_phy_mode() routine to be its wrapper, in order > to prevent unnecessary duplication. > > Signed-off-by: Marcin Wojtas <mw@xxxxxxxxxxxx> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > --- > drivers/base/property.c | 24 ++++++++++++++++---- > include/linux/property.h | 1 + > 2 files changed, 20 insertions(+), 5 deletions(-) > > diff --git a/drivers/base/property.c b/drivers/base/property.c > index f261d1a..7c4a53d 100644 > --- a/drivers/base/property.c > +++ b/drivers/base/property.c > @@ -1126,21 +1126,21 @@ enum dev_dma_attr device_get_dma_attr(struct device *dev) > EXPORT_SYMBOL_GPL(device_get_dma_attr); > > /** > - * device_get_phy_mode - Get phy mode for given device > - * @dev: Pointer to the given device > + * fwnode_get_phy_mode - Get phy mode for given firmware node > + * @fwnode: Pointer to the given node > * > * The function gets phy interface string from property 'phy-mode' or > * 'phy-connection-type', and return its index in phy_modes table, or errno in > * error case. > */ > -int device_get_phy_mode(struct device *dev) > +int fwnode_get_phy_mode(struct fwnode_handle *fwnode) > { > const char *pm; > int err, i; > > - err = device_property_read_string(dev, "phy-mode", &pm); > + err = fwnode_property_read_string(fwnode, "phy-mode", &pm); > if (err < 0) > - err = device_property_read_string(dev, > + err = fwnode_property_read_string(fwnode, > "phy-connection-type", &pm); > if (err < 0) > return err; > @@ -1151,6 +1151,20 @@ int device_get_phy_mode(struct device *dev) > > return -ENODEV; > } > +EXPORT_SYMBOL_GPL(fwnode_get_phy_mode); > + > +/** > + * device_get_phy_mode - Get phy mode for given device > + * @dev: Pointer to the given device > + * > + * The function gets phy interface string from property 'phy-mode' or > + * 'phy-connection-type', and return its index in phy_modes table, or errno in > + * error case. > + */ > +int device_get_phy_mode(struct device *dev) > +{ > + return fwnode_get_phy_mode(dev_fwnode(dev)); > +} > EXPORT_SYMBOL_GPL(device_get_phy_mode); > > static void *fwnode_get_mac_addr(struct fwnode_handle *fwnode, > diff --git a/include/linux/property.h b/include/linux/property.h > index 35620e0..9b13332 100644 > --- a/include/linux/property.h > +++ b/include/linux/property.h > @@ -279,6 +279,7 @@ int device_get_phy_mode(struct device *dev); > > void *device_get_mac_address(struct device *dev, char *addr, int alen); > > +int fwnode_get_phy_mode(struct fwnode_handle *fwnode); > void *fwnode_get_mac_address(struct fwnode_handle *fwnode, > char *addr, int alen); > struct fwnode_handle *fwnode_graph_get_next_endpoint( > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html