On Thu, Oct 07, 2021 at 01:59:55AM +0200, Andrew Lunn wrote:
> On Thu, Oct 07, 2021 at 12:35:52AM +0200, Ansuel Smith wrote:
> > QCA8327 internal phy require DAC amplitude adjustement set to +6% with
> > 100m speed. Also add additional define to report a change of the same
> > reg in QCA8337. (different scope it does set 1000m voltage)
> > Add link_change_notify function to set the proper amplitude adjustement
> > on PHY_RUNNING state and disable on any other state.
> >
> > Fixes: c6bcec0d6928 ("net: phy: at803x: add support for qca 8327 A variant internal phy")
> > Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx>
>
> Since this is a fix, you might want to send it on its own, based on
> net.
>
> > + /* QCA8327 require DAC amplitude adjustment for 100m set to +6%.
> > + * Disable on init and enable only with 100m speed following
> > + * qca original source code.
> > + */
> > + if (phydev->drv->phy_id == QCA8327_A_PHY_ID ||
> > + phydev->drv->phy_id == QCA8327_B_PHY_ID)
> > + at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0,
> > + QCA8327_DEBUG_MANU_CTRL_EN, 0);
> > +
> > return 0;
> > }
> >
> > +static void qca83xx_link_change_notify(struct phy_device *phydev)
> > +{
> > + /* QCA8337 doesn't require DAC Amplitude adjustement */
> > + if (phydev->drv->phy_id == QCA8337_PHY_ID)
> > + return;
> > +
> > + /* Set DAC Amplitude adjustment to +6% for 100m on link running */
> > + if (phydev->state == PHY_RUNNING) {
> > + if (phydev->speed == SPEED_100)
> > + at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0,
> > + QCA8327_DEBUG_MANU_CTRL_EN,
> > + QCA8327_DEBUG_MANU_CTRL_EN);
> > + } else {
> > + /* Reset DAC Amplitude adjustment */
> > + at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0,
> > + QCA8327_DEBUG_MANU_CTRL_EN, 0);
>
> Here you don't make it conditional on QCA8327_A_PHY_ID and
> QCA8327_B_PHY_ID, where as above you do?
>
> Andrew
We skip the DAC Amplitude for 8337. We support 8327 a/b and 8337.
Anyway sending this and other patch to v2 with the asked changes.
--
Ansuel
