Hi Vladimir,
On Fri, 2019-08-09 at 12:43 +0300, Vladimir Oltean wrote:
> Hi Andre,
>
> On Fri, 9 Aug 2019 at 03:58, André Draszik <g...@andred.net> wrote:
> > This driver does a funny dance disabling and re-enabling
> > RX and/or TX delays. In any of the RGMII-ID modes, it first
> > disables the delays, just to re-enable them again right
> > away. This looks like a needless exercise.
> >
> > Just enable the respective delays when in any of the
> > relevant 'id' modes, and disable them otherwise.
> >
> > Also, remove comments which don't add anything that can't be
> > seen by looking at the code.
> >
> > Signed-off-by: André Draszik <g...@andred.net>
> > CC: Andrew Lunn <and...@lunn.ch>
> > CC: Florian Fainelli <f.faine...@gmail.com>
> > CC: Heiner Kallweit <hkallwe...@gmail.com>
> > CC: "David S. Miller" <da...@davemloft.net>
> > CC: net...@vger.kernel.org
> > ---
>
> Is there any particular problem you're facing? Does this make any difference?
This is a clean-up, reducing the number of lines and if statements
by removing unnecessary code paths and comments.
Cheers,
Andre'
>
> > drivers/net/phy/at803x.c | 26 ++++++--------------------
> > 1 file changed, 6 insertions(+), 20 deletions(-)
> >
> > diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
> > index 222ccd9ecfce..2ab51f552e92 100644
> > --- a/drivers/net/phy/at803x.c
> > +++ b/drivers/net/phy/at803x.c
> > @@ -257,35 +257,21 @@ static int at803x_config_init(struct phy_device
> > *phydev)
> > * after HW reset: RX delay enabled and TX delay disabled
> > * after SW reset: RX delay enabled, while TX delay retains the
> > * value before reset.
> > - *
> > - * So let's first disable the RX and TX delays in PHY and enable
> > - * them based on the mode selected (this also takes care of RGMII
> > - * mode where we expect delays to be disabled)
> > */
> > -
> > - ret = at803x_disable_rx_delay(phydev);
> > - if (ret < 0)
> > - return ret;
> > - ret = at803x_disable_tx_delay(phydev);
> > - if (ret < 0)
> > - return ret;
> > -
> > if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
> > phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
> > - /* If RGMII_ID or RGMII_RXID are specified enable RX delay,
> > - * otherwise keep it disabled
> > - */
> > ret = at803x_enable_rx_delay(phydev);
> > - if (ret < 0)
> > - return ret;
> > + } else {
> > + ret = at803x_disable_rx_delay(phydev);
> > }
> > + if (ret < 0)
> > + return ret;
> >
> > if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
> > phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
> > - /* If RGMII_ID or RGMII_TXID are specified enable TX delay,
> > - * otherwise keep it disabled
> > - */
> > ret = at803x_enable_tx_delay(phydev);
> > + } else {
> > + ret = at803x_disable_tx_delay(phydev);
> > }
> >
> > return ret;
> > --
> > 2.20.1
> >
>
> Regards,
> -Vladimir
