On Wednesday 28 May 2014, Florian Fainelli wrote:
> Hi,
>
> 2014-05-27 14:38 GMT-07:00 Ondrej Zary <li...@rainbow-software.org>:
> > When link is lost on a card which uses internal PHY for 10 Mbit speeds,
> > restart autonegotiation to allow switching between 10 and 100 Mbps
> > speeds.
>
> I think you should take a look at implementing libphy read/write stubs
> for this driver, that would allow you not to open-code such things.
Yes, that would be good. However, I don't want to do any major PHY-related
changes to the driver because it supports cards with various PHY
configurations and I don't have all the different hardware to test.
> > Signed-off-by: Ondrej Zary <li...@rainbow-software.org>
> > ---
> > drivers/net/ethernet/ti/tlan.c | 14 ++++++++++++++
> > 1 file changed, 14 insertions(+)
> >
> > diff --git a/drivers/net/ethernet/ti/tlan.c
> > b/drivers/net/ethernet/ti/tlan.c index 31d4a96..1047b3f 100644
> > --- a/drivers/net/ethernet/ti/tlan.c
> > +++ b/drivers/net/ethernet/ti/tlan.c
> > @@ -2721,6 +2721,7 @@ static void tlan_phy_finish_auto_neg(struct
> > net_device *dev) else if (!(mode & 0x0080) && (mode & 0x0040))
> > priv->tlan_full_duplex = true;
> >
> > + /* switch to internal PHY for 10 Mbps */
> > if ((!(mode & 0x0180)) &&
> > (priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_10) &&
> > (priv->phy_num != 0)) {
> > @@ -2788,6 +2789,19 @@ static void tlan_phy_monitor(unsigned long data)
> > dev->name);
> > tlan_dio_write8(dev->base_addr, TLAN_LED_REG, 0);
> > netif_carrier_off(dev);
> > + if (priv->adapter->flags &
> > TLAN_ADAPTER_USE_INTERN_10) { + /* power
> > down internal PHY */
> > + u16 data = MII_GC_PDOWN | MII_GC_LOOPBK
> > + | MII_GC_ISOLATE;
> > + tlan_mii_sync(dev->base_addr);
> > + tlan_mii_write_reg(dev, priv->phy[0],
> > + MII_GEN_CTL, data);
> > + /* set to external PHY */
> > + priv->phy_num = 1;
> > + /* restart autonegotiation */
> > + tlan_set_timer(dev, (4*HZ/10),
> > TLAN_TIMER_PHY_PDOWN); + return;
> > + }
> > }
> > }
> >
> > --
> > Ondrej Zary
> >
> > --
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--
Ondrej Zary
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