On 20.07.2018 11:36, Florian Fainelli wrote:
>
>
> On 07/18/2018 11:15 PM, Heiner Kallweit wrote:
>> The situation described in the comment can occur also with
>> PHY_IGNORE_INTERRUPT, therefore change the condition to include it.
>
> Yes indeed! You might want to locate the offending commit to provide a
> fixes tag so this could be backported to stable trees.
>
Fixes: f555f34fdc58 ("net: phy: fix auto-negotiation stall due to unavailable
interrupt")
Is it sufficient this way or better re-submit the patch?
> Also, for net-next, we may want to introduce a helper which checks for
> phydev->irq != PHY_POLL that we can use consistently as a way to tell
> that the conditions applies to either PHY_IGNORE_INTERRUPT or
> phydev->irq is valid?
>
Yes, will put it on my agenda. Thanks for the feedback.
Heiner
>>
>> Signed-off-by: Heiner Kallweit <[email protected]>
>> ---
>> drivers/net/phy/phy.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
>> index d2baedc4..914fe8e6 100644
>> --- a/drivers/net/phy/phy.c
>> +++ b/drivers/net/phy/phy.c
>> @@ -519,7 +519,7 @@ static int phy_start_aneg_priv(struct phy_device
>> *phydev, bool sync)
>> * negotiation may already be done and aneg interrupt may not be
>> * generated.
>> */
>> - if (phy_interrupt_is_valid(phydev) && (phydev->state == PHY_AN)) {
>> + if (phydev->irq != PHY_POLL && phydev->state == PHY_AN) {
>> err = phy_aneg_done(phydev);
>> if (err > 0) {
>> trigger = true;
>>
>