From mboxrd@z Thu Jan 1 00:00:00 1970 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 022E4C5475B for ; Tue, 20 Feb 2024 18:43:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MC7xuMk6CQlH8b0rAAIfOb2/i0emnvykmvk7yokWQB0=; b=HNmzAXRj+kfFii QXnc+qjX0UccdAf3Mb5PLk3iVYis49fLvte/R9IP8zi5VZv7T+gsKo//Npw8Pqj5LZY798sUjrdF1 wTey9EjAtBobf2ziHOtYv3PIdP7EMWkkbj99PI5JLat/Z/paDZdyyp1db0yxujiM3oCBzSG5ouDkd nJHZvts/SHAQTFfDc9U3ntIsIHibNrN5RKjW/mpw6xfar6RXmm0ZHscnWYxJW0g7Seq0bgf/d1T70 ByQXMU+b57efBX+J02lEwuCwwuFseXFL+DIWaEi2RoZ3yFPUOFTigaxI4SCXMo675Y/Wgcbpj2OBU BI6a0XDFrYdA0l86ptTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcV5T-0000000FpT9-0Qy6; Tue, 20 Feb 2024 18:43:27 +0000 Received: from relay3-d.mail.gandi.net ([217.70.183.195]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcV4Y-0000000Fotm-0L9F for linux-arm-kernel@lists.infradead.org; Tue, 20 Feb 2024 18:42:31 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id B1A746000C; Tue, 20 Feb 2024 18:42:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1708454547; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3aN+Do2Vm+gV4n5drRYBltMQr5b0yzMBmZzBYY1BSHQ=; b=CQaKaP65P5yp/NONqWPtkjATjMaSfrnTS+2jUouAx7CmbZMkW40FmRqr483l9skOD+xKV4 q/XUWgahrkwiZoCx3PjRV1We0cH3G/xQ4X3kq+W2cuLMnpsNFrQYljSIpalii7iaKkUTvf X4m1BHBJ3poWjfudfaCX5lhy4hWjX9se98EFPZz+tVK1yBrE1d6eZqm4muOEqN11mG6pJP orBNk2zsuXNj8ZttouDL6pHUTOXH8Hc60nTuGp5bTUhQ0Uw5YWDcTr6S4RLBpE36qCe1SM Zg5SlIwSuGxWqGGhlwZz0xhGOa2pWbq3x+VgMVq95e2k4T0SyUHk4FoZ8tx4GQ== From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , =?UTF-8?q?K=C3=B6ry=20Maincent?= , Jesse Brandeburg , Jonathan Corbet , =?UTF-8?q?Marek=20Beh=C3=BAn?= , Piergiorgio Beruto , Oleksij Rempel , =?UTF-8?q?Nicol=C3=B2=20Veronese?= , Simon Horman , mwojtas@chromium.org Subject: [PATCH net-next v8 04/13] net: sfp: Add helper to return the SFP bus name Date: Tue, 20 Feb 2024 19:42:07 +0100 Message-ID: <20240220184217.3689988-5-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240220184217.3689988-1-maxime.chevallier@bootlin.com> References: <20240220184217.3689988-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 X-GND-Sasl: maxime.chevallier@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240220_104230_435760_130E5005 X-CRM114-Status: UNSURE ( 9.82 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Knowing the bus name is helpful when we want to expose the link topology to userspace, add a helper to return the SFP bus name. Signed-off-by: Maxime Chevallier Reviewed-by: Andrew Lunn --- V8: - No changes V7: - No changes V6: - No changes V5: - Added Andrew's R-b V4: - No changes V3: - Added RTNL assert - Made the stub inline V2: New patch drivers/net/phy/sfp-bus.c | 11 +++++++++++ include/linux/sfp.h | 6 ++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index e05013aeecc3..413021619afe 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -859,3 +859,14 @@ void sfp_unregister_socket(struct sfp_bus *bus) sfp_bus_put(bus); } EXPORT_SYMBOL_GPL(sfp_unregister_socket); + +const char *sfp_get_name(struct sfp_bus *bus) +{ + ASSERT_RTNL(); + + if (bus->sfp_dev) + return dev_name(bus->sfp_dev); + + return NULL; +} +EXPORT_SYMBOL_GPL(sfp_get_name); diff --git a/include/linux/sfp.h b/include/linux/sfp.h index 0573e53b0c11..55c0ab17c9e2 100644 --- a/include/linux/sfp.h +++ b/include/linux/sfp.h @@ -570,6 +570,7 @@ struct sfp_bus *sfp_bus_find_fwnode(const struct fwnode_handle *fwnode); int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream, const struct sfp_upstream_ops *ops); void sfp_bus_del_upstream(struct sfp_bus *bus); +const char *sfp_get_name(struct sfp_bus *bus); #else static inline int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, @@ -648,6 +649,11 @@ static inline int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream, static inline void sfp_bus_del_upstream(struct sfp_bus *bus) { } + +static inline const char *sfp_get_name(struct sfp_bus *bus) +{ + return NULL; +} #endif #endif -- 2.43.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel