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Message-ID: <5f3a74fe-11e4-4c6e-a77d-f9c4f6fab156@lunn.ch>
Date: Mon, 18 Dec 2023 10:58:30 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: davem@...emloft.net, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
Russell King <linux@...linux.org.uk>,
linux-arm-kernel@...ts.infradead.org,
Christophe Leroy <christophe.leroy@...roup.eu>,
Herve Codina <herve.codina@...tlin.com>,
Florian Fainelli <f.fainelli@...il.com>,
Heiner Kallweit <hkallweit1@...il.com>,
Vladimir Oltean <vladimir.oltean@....com>,
Köry Maincent <kory.maincent@...tlin.com>,
Jesse Brandeburg <jesse.brandeburg@...el.com>,
Jonathan Corbet <corbet@....net>,
Marek Behún <kabel@...nel.org>,
Piergiorgio Beruto <piergiorgio.beruto@...il.com>,
Oleksij Rempel <o.rempel@...gutronix.de>,
Nicolò Veronese <nicveronese@...il.com>
Subject: Re: [PATCH net-next v4 10/13] net: ethtool: pse-pd: Target the
command to the requested PHY
On Fri, Dec 15, 2023 at 06:12:32PM +0100, Maxime Chevallier wrote:
> PSE and PD configuration is a PHY-specific command. Instead of targeting
> the command towards dev->phydev, use the request to pick the targeted
> PHY device.
>
> Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> ---
> V4: No changes
> V3: No changes
> V2: New patch
>
> net/ethtool/pse-pd.c | 14 +++-----------
> 1 file changed, 3 insertions(+), 11 deletions(-)
>
> diff --git a/net/ethtool/pse-pd.c b/net/ethtool/pse-pd.c
> index cc478af77111..0d9cd9c87104 100644
> --- a/net/ethtool/pse-pd.c
> +++ b/net/ethtool/pse-pd.c
> @@ -31,17 +31,10 @@ const struct nla_policy ethnl_pse_get_policy[ETHTOOL_A_PSE_HEADER + 1] = {
> [ETHTOOL_A_PSE_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy),
> };
>
> -static int pse_get_pse_attributes(struct net_device *dev,
> +static int pse_get_pse_attributes(struct phy_device *phydev,
> struct netlink_ext_ack *extack,
> struct pse_reply_data *data)
> {
> - struct phy_device *phydev = dev->phydev;
> -
> - if (!phydev) {
> - NL_SET_ERR_MSG(extack, "No PHY is attached");
> - return -EOPNOTSUPP;
> - }
> -
It would be good to say in the commit message why it is safe to remove
this.
> @@ -132,7 +124,7 @@ ethnl_set_pse(struct ethnl_req_info *req_info, struct genl_info *info)
> /* this values are already validated by the ethnl_pse_set_policy */
> config.admin_cotrol = nla_get_u32(tb[ETHTOOL_A_PODL_PSE_ADMIN_CONTROL]);
>
> - phydev = dev->phydev;
> + phydev = req_info->phydev;
> if (!phydev) {
> NL_SET_ERR_MSG(info->extack, "No PHY is attached");
> return -EOPNOTSUPP;
So you removed one test, but this one stays?
Andrew
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