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: 13961392 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8B2CAC02194 for ; Wed, 5 Feb 2025 15:37:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Date: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-Owner; bh=D+5GmaJXZT5l+1wfRT+lAuNHUWIAAutwCYXRr+Clwac=; b=qNg0Ke815AU14TLzdPPwKunBsc AdiKBPblFkEFTrSIeS99KOBjhnJDINefzI/8g90vOXKJCdd6OXAoSeguvUsn206lyrzEJ5lwebtts kpRteHskcgnfFxE+bLJYE49Wrj1yVrzzCGklYrDKJqftYKanQgJ1DrcA4wVWAtwTV+v4VNp4XuQnZ 2oJnxaTh7b/FQgxPocBRJKSpIBs0EdsRi/DSDNijonIxYVKDffMa+vKcvERtM7OAN3jUi6KIDnxT3 /kBB5gNwBII2OIhdZ8Z3tG8aBtoCwYMqpczrTpP4nO9EA2Lpik14DqLlv0QX3AjVZe2Q7W4GRkhzz Ji5ahsww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tfhSO-00000003nTe-3d4q; Wed, 05 Feb 2025 15:36:52 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tfh3j-00000003iTL-1Cwx; Wed, 05 Feb 2025 15:11:24 +0000 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() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Wed, 05 Feb 2025 15:10:54 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250205_071123_324002_00AD2E59 X-CRM114-Status: UNSURE ( 9.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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,