Sebastian Frias <s...@laposte.net> writes:
> On 02/05/2016 04:08 PM, Måns Rullgård wrote:
>> Sebastian Frias <s...@laposte.net> writes:
>>
>>> On 02/05/2016 03:34 PM, Måns Rullgård wrote:
>>>> Sebastian Frias <s...@laposte.net> writes:
>>>>
>>>>> Signed-off-by: Sebastian Frias <s...@laposte.net>
>>>>
>>>> Please change the subject to something like "net: ethernet: nb8800:
>>>> support fixed-link DT node" and add a comment body.
>>>
>>> The subject is pretty explicit for such a simple patch, what else
>>> could I add that wouldn't be unnecessary chat?
>>
>> It's customary to include a description body even if it's little more
>> than a restatement of the subject. Also, while the subject usually only
>> says _what_ the patch does, the body should additionally state _why_ it
>> is needed.
>
> I understand, but _why_ it is needed is also obvious in this case; I
> mean, without the patch "fixed-link" cannot be used.
Then say so.
> Other patches may not be as obvious/simple and thus justify and
> require more details.
>
> Anyway, I added "Properly handles the case where the PHY is not connected
> to the real MDIO bus" would that be ok?
Have you read Documentation/SubmittingPatches? Do so (again) and pay
special attention to section 2 "Describe your changes."
>>>>> ---
>>>>> drivers/net/ethernet/aurora/nb8800.c | 14 +++++++++++++-
>>>>> 1 file changed, 13 insertions(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/drivers/net/ethernet/aurora/nb8800.c
>>>>> b/drivers/net/ethernet/aurora/nb8800.c
>>>>> index ecc4a33..e1fb071 100644
>>>>> --- a/drivers/net/ethernet/aurora/nb8800.c
>>>>> +++ b/drivers/net/ethernet/aurora/nb8800.c
>>>>> @@ -1460,7 +1460,19 @@ static int nb8800_probe(struct platform_device
>>>>> *pdev)
>>>>> goto err_disable_clk;
>>>>> }
>>>>>
>>>>> - priv->phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
>>>>> + if (of_phy_is_fixed_link(pdev->dev.of_node)) {
>>>>> + ret = of_phy_register_fixed_link(pdev->dev.of_node);
>>>>> + if (ret < 0) {
>>>>> + dev_err(&pdev->dev, "bad fixed-link spec\n");
>>>>> + goto err_free_bus;
>>>>> + }
>>>>> + priv->phy_node = of_node_get(pdev->dev.of_node);
>>>>> + }
>>>>> +
>>>>> + if (!priv->phy_node)
>>>>> + priv->phy_node = of_parse_phandle(pdev->dev.of_node,
>>>>> + "phy-handle", 0);
>>>>> +
>>>>> if (!priv->phy_node) {
>>>>> dev_err(&pdev->dev, "no PHY specified\n");
>>>>> ret = -ENODEV;
>>>>> --
>>>>> 2.1.4
>>>>
>>
--
Måns Rullgård
