From patchwork Wed Feb 5 15:10:54 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13961296 X-Patchwork-Delegate: kuba@kernel.org Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF43018A6A9 for ; Wed, 5 Feb 2025 15:11:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=78.32.30.218 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738768285; cv=none; b=X+i7MGZoz3Ji0ZgsXqsXRJ/G7KjM4r7jNYd/+H3mMYi9ZLK8NX8sz0BRM8ryJnBKtlyPRxjS1ymniT5Sg6Rl/rwI6sPaOjBr4HpCOjMLx82PQNOhWetoZezdhY3Gwuy9CqpNRcLkFQ0SrRB2i4aokIpdtOIA23dsp53YV6ug+0E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738768285; c=relaxed/simple; bh=QrrJZJAMX9KtEMw78bOC5inI5qhfnPipR9iewb2NaaQ=; h=In-Reply-To:References:From:To:Cc:Subject:MIME-Version: Content-Disposition:Content-Type:Message-Id:Date; b=WiXXItsHATTJ7IqFusGVQN+ctnbfxAkHzOHVh+Xl3x2pseUjf5IT6LCo6f9vXwLdUpgB8sjON2pR33pGJXGUFVeH7LeJfB3XL+Lj/pWPdf0vEIt9XaSCLBRT0GzZ583g1oX4NXVXUa6nmSPahzZyqQO0hV2dwpAWoKEY1CSXdwA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk; spf=none smtp.mailfrom=armlinux.org.uk; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b=dfbQkCFt; arc=none smtp.client-ip=78.32.30.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="dfbQkCFt" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=D+5GmaJXZT5l+1wfRT+lAuNHUWIAAutwCYXRr+Clwac=; b=dfbQkCFt/AbX3Ly6CPenOsJUPe JdqX1DA4wpqobctID/Ck0UuvZ1CMXIQHdzsE0XVgGlGArAHwQJbnIGom31uIg+2HuKF1dtxljd1hf s+g4YyytgRUA0lMoYClFGlaDCAZLJXVPGhjBWSgO7+HQ9Iw7bg/FLrEEev1K3wPMkHEBOkDuTOMHL cucH65Ff6VuOkN+Mhzow3iUephAPRHh+7KyZjof/KUS9Jivej6ERPRbIFVWrpfHFoXNfRTunOvVjN Szqg54bElEnZsbP0cJQ6ozMGW+/P7QZ+2YjgS9nw9BRO5aRmQraHqqWeKymMt6NyCv5P1mghu2Zrt 8XK4KCcw==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:38600 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tfh3a-0007Sh-16; Wed, 05 Feb 2025 15:11:14 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1tfh3G-003aRG-RI; Wed, 05 Feb 2025 15:10:54 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn , Heiner Kallweit Cc: AngeloGioacchino Del Regno , "Chester A. Unal" , Daniel Golle , "David S. Miller" , DENG Qingfang , Eric Dumazet , Jakub Kicinski , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Matthias Brugger , netdev@vger.kernel.org, Paolo Abeni , Sean Wang , Simon Horman , Vladimir Oltean Subject: [PATCH net-next 1/3] net: phylink: provide phylink_mac_implements_lpi() Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Message-Id: Sender: Russell King Date: Wed, 05 Feb 2025 15:10:54 +0000 X-Patchwork-Delegate: kuba@kernel.org Provide a helper to determine whether the MAC operations structure implements the LPI operations, which will be used by both phylink and DSA. Signed-off-by: Russell King (Oracle) --- drivers/net/phy/phylink.c | 3 +-- include/linux/phylink.h | 12 ++++++++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 214b62fba991..6fbb5fd5b400 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1957,8 +1957,7 @@ struct phylink *phylink_create(struct phylink_config *config, return ERR_PTR(-EINVAL); } - pl->mac_supports_eee_ops = mac_ops->mac_disable_tx_lpi && - mac_ops->mac_enable_tx_lpi; + pl->mac_supports_eee_ops = phylink_mac_implements_lpi(mac_ops); pl->mac_supports_eee = pl->mac_supports_eee_ops && pl->config->lpi_capabilities && !phy_interface_empty(pl->config->lpi_interfaces); diff --git a/include/linux/phylink.h b/include/linux/phylink.h index 898b00451bbf..0de78673172d 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -737,6 +737,18 @@ static inline int phylink_get_link_timer_ns(phy_interface_t interface) } } +/** + * phylink_mac_implements_lpi() - determine if MAC implements LPI ops + * @ops: phylink_mac_ops structure + * + * Returns true if the phylink MAC operations structure indicates that the + * LPI operations have been implemented, false otherwise. + */ +static inline bool phylink_mac_implements_lpi(const struct phylink_mac_ops *ops) +{ + return ops && ops->mac_disable_tx_lpi && ops->mac_enable_tx_lpi; +} + void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, unsigned int neg_mode, u16 bmsr, u16 lpa); void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs,