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Date:   Fri, 10 Apr 2020 11:00:04 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Atsushi Nemoto <atsushi.nemoto@...d.co.jp>
Cc:     netdev@...r.kernel.org, Yuiko Oshino <yuiko.oshino@...rochip.com>,
        tomonori.sakita@...d.co.jp
Subject: Re: [PATCH] net: phy: micrel: use genphy_read_status for KSZ9131

On Fri, 10 Apr 2020 12:16:16 +0900 (JST) Atsushi Nemoto wrote:
> KSZ9131 will not work with some switches due to workaround for KSZ9031
> introduced in commit d2fd719bcb0e83cb39cfee22ee800f98a56eceb3
> ("net/phy: micrel: Add workaround for bad autoneg").
> Use genphy_read_status instead of dedicated ksz9031_read_status.

That commit older than support for KSZ9131 itself, right?
If so we should blame this one:

Fixes: bff5b4b37372 ("net: phy: micrel: add Microchip KSZ9131 initial driver")

Yuiko, does this change look good to you?

> Signed-off-by: Atsushi Nemoto <atsushi.nemoto@...d.co.jp>
> ---
>  drivers/net/phy/micrel.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
> index 05d20343b816..3a4d83fa52dc 100644
> --- a/drivers/net/phy/micrel.c
> +++ b/drivers/net/phy/micrel.c
> @@ -1204,7 +1204,7 @@ static struct phy_driver ksphy_driver[] = {
>  	.driver_data	= &ksz9021_type,
>  	.probe		= kszphy_probe,
>  	.config_init	= ksz9131_config_init,
> -	.read_status	= ksz9031_read_status,
> +	.read_status	= genphy_read_status,
>  	.ack_interrupt	= kszphy_ack_interrupt,
>  	.config_intr	= kszphy_config_intr,
>  	.get_sset_count = kszphy_get_sset_count,

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