On Fri, Oct 23, 2020 at 12:56:21PM +0200, Oleksij Rempel wrote: > Most of CAN PHYs (transceivers) are not attached to any data bus, so we > are not able to communicate with them. For this case, we introduce a CAN > specific virtual bus to make use of existing PHY framework. > > Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> > --- > drivers/net/phy/Kconfig | 8 ++ > drivers/net/phy/Makefile | 1 + > drivers/net/phy/can_phy_bus.c | 196 ++++++++++++++++++++++++++++++++++ Hi Oleksij mdio drivers have moved to drivers/net/mdio. > include/linux/can/phy.h | 21 ++++ > 4 files changed, 226 insertions(+) > create mode 100644 drivers/net/phy/can_phy_bus.c > create mode 100644 include/linux/can/phy.h > > diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig > index 698bea312adc..39e3f57ea60a 100644 > --- a/drivers/net/phy/Kconfig > +++ b/drivers/net/phy/Kconfig > @@ -153,6 +153,14 @@ config BCM_CYGNUS_PHY > config BCM_NET_PHYLIB > tristate > > +config CAN_PHY_BUS > + tristate "Virtual CAN PHY Bus" > + depends on PHYLIB > + help > + Most CAN PHYs (transceivers) are not attached to any data bus, so we > + are not able to communicate with them. For this case, a CAN specific > + virtual bus to make use of existing PHY framework. Is there anything CAN specific here? Maybe we should just call it a virtual PHY bus? Andrew