From patchwork Tue Nov 26 09:24:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13885700 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 D41BFD3B7C1 for ; Tue, 26 Nov 2024 09:32:03 +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=el0rVY+c9CrkRzaGqbcKkhlZC6FhAlwE6EzSElpENZM=; b=ajsB56w98rqcQ1HKIPWFy9Vonc OhSip/VB933s49psYzuI/pg087ICJsQwxl6OKYCyYFY47mig1ptHNBCBc/LkxlEn/Jp+ND3iiV+qw UReu0wkwwtPqHSB63i8/0zO+bOw+D0yd3BtsqtJkXq2r4ikLOAp8L2U5YBrSz4gYjd16ScWuPr7IV /jq9gIdBpWxuivOblc+cXrv6mr+O+ouvCvyefPbLiCP7qycqrJ3prt7ixAGyvEHiA5Lr0evJZx5CG B0SWyxDYRO3rXkDKq4w2Mrk/4ChzT9zHUyqg9eknuAoynFgR1ssI+W7f0R5RrYrpL3ilE/lZNOmvb WM7EZygQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFrvP-0000000AA57-0APQ; Tue, 26 Nov 2024 09:32:03 +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 1tFroT-0000000A8Rw-31Rh; Tue, 26 Nov 2024 09:24:54 +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=el0rVY+c9CrkRzaGqbcKkhlZC6FhAlwE6EzSElpENZM=; b=c2PLDRGD9Ssf7ZkhiapQYuPPQS 1ZD+o4FDtCpKZMI0SUXyUFVJKP5Ogvjyi22GEnxGLvO0sDt9H/xOKqq0sXVUWQJ4uftakUuC0MzOc zth8l3K944nGdgSpHcrGLg4lsgoBMqE8+gYwjh5g9/siPz6crxx+xPoYS960XDIGeEJvgwMTZHvCE 5J2/vCaS7XRZo7/g95CpNu173tEzl04U14HmM4MM4R9FJBrFcibMNF+4/9JfUeiZEJbcfTQAZd3He eDTmvQmiFq26nr7vG8a9cRabNsjHwe0LwL93jUbHTX70bMlROERn58bIaNK3/TP97ZdZWg9hK3rml ejlf7Qyw==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:46098 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 1tFroI-0006Sz-1A; Tue, 26 Nov 2024 09:24:43 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1tFroH-005xQ2-2v; Tue, 26 Nov 2024 09:24:41 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn , Heiner Kallweit Cc: Alexander Couzens , Andrew Lunn , AngeloGioacchino Del Regno , Broadcom internal kernel review list , Daniel Golle , "David S. Miller" , Eric Dumazet , Florian Fainelli , Ioana Ciornei , Jakub Kicinski , Jose Abreu , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Marcin Wojtas , Matthias Brugger , netdev@vger.kernel.org, Paolo Abeni Subject: [PATCH RFC net-next 05/16] net: phy: bcm84881: implement phy_inband_caps() method MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 26 Nov 2024 09:24:41 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241126_012453_754061_2C46C398 X-CRM114-Status: GOOD ( 10.99 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org BCM84881 has no support for inband signalling, so this is a trivial implementation that returns no support for inband. Signed-off-by: Russell King (Oracle) Reviewed-by: Andrew Lunn --- drivers/net/phy/bcm84881.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/phy/bcm84881.c b/drivers/net/phy/bcm84881.c index 97da3aee4942..47405bded677 100644 --- a/drivers/net/phy/bcm84881.c +++ b/drivers/net/phy/bcm84881.c @@ -235,11 +235,21 @@ static int bcm84881_read_status(struct phy_device *phydev) return genphy_c45_read_mdix(phydev); } +/* The Broadcom BCM84881 in the Methode DM7052 is unable to provide a SGMII + * or 802.3z control word, so inband will not work. + */ +static unsigned int bcm84881_inband_caps(struct phy_device *phydev, + phy_interface_t interface) +{ + return LINK_INBAND_DISABLE; +} + static struct phy_driver bcm84881_drivers[] = { { .phy_id = 0xae025150, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM84881", + .inband_caps = bcm84881_inband_caps, .config_init = bcm84881_config_init, .probe = bcm84881_probe, .get_features = bcm84881_get_features,