On Thu, Jun 22, 2023 at 12:19:02PM +0800, Choong Yong Liang wrote: > From: "Tan, Tee Min" <tee.min.tan@xxxxxxxxxxxxxxx> > > Add cur_link_an_mode into phy_device struct for PHY drivers to > communicate the in-band AN mode setting with phylink framework. > > As there is a mechanism in PHY drivers to switch the PHY interface > between SGMII and 2500BaseX according to link speed. In this case, > the in-band AN mode should be switching based on the PHY interface > as well, if the PHY interface has been changed/updated by PHY driver. > > For e.g., disable in-band AN in 2500BaseX mode, or enable in-band AN > back for SGMII mode (10/100/1000Mbps). > > Signed-off-by: Tan, Tee Min <tee.min.tan@xxxxxxxxxxxxxxx> > Signed-off-by: Choong Yong Liang <yong.liang.choong@xxxxxxxxxxxxxxx> ... > diff --git a/include/linux/phy.h b/include/linux/phy.h > index 11c1e91563d4..c685b526e307 100644 > --- a/include/linux/phy.h > +++ b/include/linux/phy.h > @@ -756,6 +756,8 @@ struct phy_device { > /* MACsec management functions */ > const struct macsec_ops *macsec_ops; > #endif > + /* For communicate the AN mode setting with phylink framework. */ > + u8 cur_link_an_mode; > }; Hi Choong Yong Liang, Please consider adding cur_link_an_mode to the kernel doc for struct phy_device - which is above the definition of struct phy_device.