On Sun, Feb 24, 2019 at 06:01:18PM +0100, Heiner Kallweit wrote:
> With the switch to phy_resolve_aneg_linkmode() we don't read from the
> chip any longer what is advertised but use phydev->advertising directly.
> For a fixed phy however this bitmap is empty so far, what results in
> no common mode being found. This breaks DSA. Fix this by advertising
> everything that is supported. For a normal phy this done by phy_probe().
>
> Fixes: 5502b218e001 ("net: phy: use phy_resolve_aneg_linkmode in
> genphy_read_status")
> Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
Tested-by: Andrew Lunn <and...@lunn.ch>
But i tested on net-next, not net.
Andrew
> ---
> drivers/net/phy/fixed_phy.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c
> index b0d1368c3..1acd8bfdb 100644
> --- a/drivers/net/phy/fixed_phy.c
> +++ b/drivers/net/phy/fixed_phy.c
> @@ -22,6 +22,7 @@
> #include <linux/seqlock.h>
> #include <linux/idr.h>
> #include <linux/netdevice.h>
> +#include <linux/linkmode.h>
>
> #include "swphy.h"
>
> @@ -300,6 +301,8 @@ static struct phy_device *__fixed_phy_register(unsigned
> int irq,
> phy->supported);
> }
>
> + linkmode_copy(phy->advertising, phy->supported);
> +
> ret = phy_device_register(phy);
> if (ret) {
> phy_device_free(phy);
> --
> 2.20.1
>
