[PATCH v1] net: dsa: wait until PHY aneg is done

[PATCH v1] net: dsa: wait until PHY aneg is done

[Oleksij Rempel]

Some PHYs need a bit longer to complete auto negotiation. So, wait long
enough until this process is done.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 drivers/net/dsa.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/dsa.c b/drivers/net/dsa.c
index f2420d306f..d9e629cefc 100644
--- a/drivers/net/dsa.c
+++ b/drivers/net/dsa.c
@@ -111,6 +111,10 @@ static int dsa_port_start(struct eth_device *edev)
 
 	dsa_port_set_ethaddr(edev);
 
+	ret = phy_wait_aneg_done(dp->edev.phydev);
+	if (ret)
+		return ret;
+
 	if (ops->port_enable) {
 		ret = ops->port_enable(dp, dp->index, dp->edev.phydev);
 		if (ret)
-- 
2.30.2


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Re: [PATCH v1] net: dsa: wait until PHY aneg is done

[Sascha Hauer]

On Wed, Apr 27, 2022 at 09:33:40AM +0200, Oleksij Rempel wrote:
> Some PHYs need a bit longer to complete auto negotiation. So, wait long
> enough until this process is done.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>  drivers/net/dsa.c | 4 ++++
>  1 file changed, 4 insertions(+)

Applied, thanks

Sascha


> 
> diff --git a/drivers/net/dsa.c b/drivers/net/dsa.c
> index f2420d306f..d9e629cefc 100644
> --- a/drivers/net/dsa.c
> +++ b/drivers/net/dsa.c
> @@ -111,6 +111,10 @@ static int dsa_port_start(struct eth_device *edev)
>  
>  	dsa_port_set_ethaddr(edev);
>  
> +	ret = phy_wait_aneg_done(dp->edev.phydev);
> +	if (ret)
> +		return ret;
> +
>  	if (ops->port_enable) {
>  		ret = ops->port_enable(dp, dp->index, dp->edev.phydev);
>  		if (ret)
> -- 
> 2.30.2
> 
> 
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