pon., 22 cze 2020 o 15:29 Russell King - ARM Linux admin <linux@xxxxxxxxxxxxxxx> napisał(a): > [snip!] > > This is likely to cause issues for some PHY drivers. Note that we have > some PHY drivers which register a temperature sensor in the probe > function, which means they can be accessed independently of the lifetime > of the PHY bound to the network driver (which may only be while the > network device is "up".) We certainly do not want hwmon failing just > because the network device is down. > > That's kind of worked around for the reset stuff, because there are two > layers to that: the mdio device layer reset support which knows nothing > of the PHY binding state to the network driver, and the phylib reset > support, but it is not nice. > Regulators are reference counted so if the hwmon driver enables it using mdio_device_power_on() it will stay on even after the PHY driver calls phy_device_power_off(), right? Am I missing something? Bart
