From patchwork Tue Apr 12 06:29:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 560769 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15C5AC433F5 for ; Tue, 12 Apr 2022 06:39:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350192AbiDLGlm (ORCPT ); Tue, 12 Apr 2022 02:41:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350194AbiDLGk3 (ORCPT ); Tue, 12 Apr 2022 02:40:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90F42DEA1; Mon, 11 Apr 2022 23:35:44 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2CD976189D; Tue, 12 Apr 2022 06:35:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31910C385A6; Tue, 12 Apr 2022 06:35:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649745343; bh=7T8T7g3yhMK11bdqzFhqBAGPuf3UWfMYCjRx/8VwosI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RAaP7+94rVYTRjezHU0JVlKmYv7Ii47IvRlsIzcozfSDyPXGTF+SdGqt+pTSs5CEm nh2WO0q5KdUZFXATNDlLXe32KLEJV2mC+4l06ldr7t0wvO0y5K7EAXivi5fglCwD2y r3XaqQEQfv7v/cT++0ZomqEZqoEokMqgQQc7tzzc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michael Walle , Paolo Abeni , Sasha Levin Subject: [PATCH 5.10 063/171] net: sfp: add 2500base-X quirk for Lantech SFP module Date: Tue, 12 Apr 2022 08:29:14 +0200 Message-Id: <20220412062929.706805566@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220412062927.870347203@linuxfoundation.org> References: <20220412062927.870347203@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Michael Walle [ Upstream commit 00eec9fe4f3b9588b4bfa8ef9dd0aae96407d5d7 ] The Lantech 8330-262D-E module is 2500base-X capable, but it reports the nominal bitrate as 2500MBd instead of 3125MBd. Add a quirk for the module. The following in an EEPROM dump of such a SFP with the serial number redacted: 00: 03 04 07 00 00 00 01 20 40 0c 05 01 19 00 00 00 ???...? @????... 10: 1e 0f 00 00 4c 61 6e 74 65 63 68 20 20 20 20 20 ??..Lantech 20: 20 20 20 20 00 00 00 00 38 33 33 30 2d 32 36 32 ....8330-262 30: 44 2d 45 20 20 20 20 20 56 31 2e 30 03 52 00 cb D-E V1.0?R.? 40: 00 1a 00 00 46 43 XX XX XX XX XX XX XX XX XX XX .?..FCXXXXXXXXXX 50: 20 20 20 20 32 32 30 32 31 34 20 20 68 b0 01 98 220214 h??? 60: 45 58 54 52 45 4d 45 4c 59 20 43 4f 4d 50 41 54 EXTREMELY COMPAT 70: 49 42 4c 45 20 20 20 20 20 20 20 20 20 20 20 20 IBLE Signed-off-by: Michael Walle Link: https://lore.kernel.org/r/20220312205014.4154907-1-michael@walle.cc Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/phy/sfp-bus.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index a05d8372669c..850915a37f4c 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -74,6 +74,12 @@ static const struct sfp_quirk sfp_quirks[] = { .vendor = "HUAWEI", .part = "MA5671A", .modes = sfp_quirk_2500basex, + }, { + // Lantech 8330-262D-E can operate at 2500base-X, but + // incorrectly report 2500MBd NRZ in their EEPROM + .vendor = "Lantech", + .part = "8330-262D-E", + .modes = sfp_quirk_2500basex, }, { .vendor = "UBNT", .part = "UF-INSTANT",