Andy Shevchenko writes:
+ nb8800_writel(priv, NB8800_MDIO_CMD, val | MDIO_CMD_GO);
+
+ if (!nb8800_mdio_wait(bus))
+ return -ETIMEDOUT;
+
+ val = nb8800_readl(priv, NB8800_MDIO_STS);
+ if (val & MDIO_STS_ERR)
+
On Sat, Oct 31, 2015 at 8:41 PM, Måns Rullgård wrote:
> Andy Shevchenko writes:
>
>>> +static int nb8800_mdio_read(struct mii_bus *bus, int phy_id, int reg)
>>> +{
>>> + struct nb8800_priv *priv = bus->priv;
>>> + int val;
>>> +
>>> + if (!nb8800_mdio_wait(bus))
>>> +
Francois Romieu writes:
> Måns Rullgård :
>> Francois Romieu writes:
> [...]
>> > It looks like it receives, then tries to allocate new resources. If so
>> > it may deplete the ring and you should instead consider allocating new
>> > resources first, then receive data if alloc + map suceeded.
>
Andy Shevchenko writes:
>> +static int nb8800_mdio_read(struct mii_bus *bus, int phy_id, int reg)
>> +{
>> + struct nb8800_priv *priv = bus->priv;
>> + int val;
>> +
>> + if (!nb8800_mdio_wait(bus))
>> + return -ETIMEDOUT;
>> +
>> + val = MIIAR_ADDR(phy_id) |
Måns Rullgård :
> Francois Romieu writes:
[...]
> > It looks like it receives, then tries to allocate new resources. If so
> > it may deplete the ring and you should instead consider allocating new
> > resources first, then receive data if alloc + map suceeded.
>
> The hardware receives a frame
On Thu, Oct 29, 2015 at 6:48 PM, Mans Rullgard wrote:
> This adds a driver for the Aurora VLSI NB8800 Ethernet controller.
> It is an almost complete rewrite of a driver originally found in
> a Sigma Designs 2.6.22 tree.
>
> Signed-off-by: Mans Rullgard
> +++ b/drivers/net/ethernet/aurora/nb880
Francois Romieu writes:
>> +static int nb8800_poll(struct napi_struct *napi, int budget)
>> +{
>> +struct net_device *dev = napi->dev;
>> +struct nb8800_priv *priv = netdev_priv(dev);
>> +struct nb8800_dma_desc *rx;
>> +int work = 0;
>> +int last = priv->rx_eoc;
>> +int ne
Mans Rullgard :
[...]
> diff --git a/drivers/net/ethernet/aurora/nb8800.c
> b/drivers/net/ethernet/aurora/nb8800.c
> new file mode 100644
> index 000..ce61439
> --- /dev/null
> +++ b/drivers/net/ethernet/aurora/nb8800.c
[...]
> +static int nb8800_mdio_read(struct mii_bus *bus, int phy_id, int
This adds a driver for the Aurora VLSI NB8800 Ethernet controller.
It is an almost complete rewrite of a driver originally found in
a Sigma Designs 2.6.22 tree.
Signed-off-by: Mans Rullgard
---
Changes:
- Make ethtool_ops const
- Fix race in tx path on smp systems
- Use different interrupt method
