From patchwork Fri Dec 13 13:41:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Machon X-Patchwork-Id: 13907104 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 8880DE7717D for ; Fri, 13 Dec 2024 13:50:34 +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:CC:To:In-Reply-To:References :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=XexIZMNZl3euAtVXX0/80H4PB0R7YQ69SNGt9S+OUb8=; b=PkG5QPEuXmKwrNOPaWfK8RmxQN DHlqmh9WnU3G0bDiCVcIgKPW5wwehv52wIk3+F6jmNsTCPDctmXV1krZQPrXOI2JsHLNF30uEl623 HlBQ4jTjJ3WMkKdT8TApf3/8wmFJeT0OQSqTitnWw+Kyt6eB33at68QDMdy0C3btUjfolllvnXywz mI1IyRtv0RWRhoVrhN7Cpa+HOMsGW1s/fS7ATOxPpn/DdgJigNYCDufJvUlFlWJ9clTmj1ht5RPIu 3ZxeShwRcFf02TrQewN0yURL4KKz7bTF6E+K6plLpSD80FcPD6IsxqQ5EDVdQWKeglFcGNkAUZq7a amdyY0IA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tM63k-00000003syN-1p3t; Fri, 13 Dec 2024 13:50:24 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tM5vl-00000003r69-0IW6 for linux-arm-kernel@lists.infradead.org; Fri, 13 Dec 2024 13:42:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1734097328; x=1765633328; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=F3r/K1kISTkKC1t7Gw8laQbefuONz2HC9HBE8faHn18=; b=fQKILlUKsGF1UE5HWsCxAXeS86i+Iov6xYvgvMcg9h96xUgBusaSHeed CDDfxQ9U1MafRVgJZftZgX5/Y1qhCuOL/UMDAkzYqhr2SkeZuchx6BdmO UKIBcZt0kbAEJXfbJ3jNMQcOvi8ELioJxH7xvlD7Hx1sSjUuE9A01xetu oWeZ/Zd7n3Blb6YVIZ3idRbQO7s48w+A7k7MhzQ3hQviJYwwQ2aiZkIKm mXYme/prdkf+d2opTtMwC5bKhGv+CFlXxw6joghvRVTZc9BwaBKEr4096 FRcCCVm1g2OvqpFKJ0A7AGz2CPbQqyt35xDeM6OoBKEorPcJpWTkO+bsp g==; X-CSE-ConnectionGUID: itc9LroWQgSaHh3I2qeP/g== X-CSE-MsgGUID: 71gWVYObRKGWL70ZOac+/w== X-IronPort-AV: E=Sophos;i="6.12,231,1728975600"; d="scan'208";a="39217648" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 13 Dec 2024 06:42:06 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 13 Dec 2024 06:41:36 -0700 Received: from DEN-DL-M70577.microchip.com (10.10.85.11) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Fri, 13 Dec 2024 06:41:33 -0700 From: Daniel Machon Date: Fri, 13 Dec 2024 14:41:05 +0100 Subject: [PATCH net-next v4 6/9] net: sparx5: verify RGMII speeds MIME-Version: 1.0 Message-ID: <20241213-sparx5-lan969x-switch-driver-4-v4-6-d1a72c9c4714@microchip.com> References: <20241213-sparx5-lan969x-switch-driver-4-v4-0-d1a72c9c4714@microchip.com> In-Reply-To: <20241213-sparx5-lan969x-switch-driver-4-v4-0-d1a72c9c4714@microchip.com> To: , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Lars Povlsen" , Steen Hegelund , Horatiu Vultur , Russell King , , , , CC: , , , , X-Mailer: b4 0.14-dev X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241213_054209_124378_6D14B8FD X-CRM114-Status: UNSURE ( 8.88 ) 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 When doing a port config, we verify the port speed against the PHY mode and supported speeds of that PHY mode. Add checks for the four RGMII phy modes: RGMII, RGMII_ID, RGMII_TXID and RGMII_RXID. Reviewed-by: Steen Hegelund Reviewed-by: Horatiu Vultur Signed-off-by: Daniel Machon --- drivers/net/ethernet/microchip/sparx5/sparx5_port.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c index 0a1374422ccb..86d6c9e9ec7c 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c @@ -257,6 +257,15 @@ static int sparx5_port_verify_speed(struct sparx5 *sparx5, conf->speed != SPEED_25000)) return sparx5_port_error(port, conf, SPX5_PERR_SPEED); break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + if (conf->speed != SPEED_1000 && + conf->speed != SPEED_100 && + conf->speed != SPEED_10) + return sparx5_port_error(port, conf, SPX5_PERR_SPEED); + break; default: return sparx5_port_error(port, conf, SPX5_PERR_IFTYPE); }