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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E5F2C4332F for ; Fri, 1 Apr 2022 14:52:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348531AbiDAOyT (ORCPT ); Fri, 1 Apr 2022 10:54:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350161AbiDAOrO (ORCPT ); Fri, 1 Apr 2022 10:47:14 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B8C662A03E6; Fri, 1 Apr 2022 07:37:16 -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 ams.source.kernel.org (Postfix) with ESMTPS id 24F6AB8250B; Fri, 1 Apr 2022 14:37:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9ED45C36AF8; Fri, 1 Apr 2022 14:37:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648823834; bh=yKDECHd+3Hf1wFsavIVXaGAn88ZEKbCwTF4OHq50O2A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZK6GuRG+viGcZfijINiSQEXjzvyQv5IZYAZlT6qPKrUwT60jXHih6fLBaSKTTei4/ jKctDS85uGy7tmIkFs3LtnJvhVgVmrr2JTAvSlss1H4MWwWt2i+m6FR2Pley3nGKiu 84IujdJJj7MhvpNlxvyKqnIvQRgR08ZhfxGTc68VdlmqlfLyxhyY+psAKGiyczGiGv O51eHbwWxiuFXAu6+tJlhRinbJSq53ccfhaKrO9fBJcjRfguhcADPt5Ip2iqv12FHe uoGHNSGSJd+Xy5hXrO8SdMIzNZV8WTB8LfKHj0WQor+JUoaU1cVP2Avu+SO7x56agJ YEGXN25pui6Qw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Michael Walle , Paolo Abeni , Sasha Levin , linux@armlinux.org.uk, andrew@lunn.ch, hkallweit1@gmail.com, davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.16 097/109] net: sfp: add 2500base-X quirk for Lantech SFP module Date: Fri, 1 Apr 2022 10:32:44 -0400 Message-Id: <20220401143256.1950537-97-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220401143256.1950537-1-sashal@kernel.org> References: <20220401143256.1950537-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@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 c1512c9925a6..15aa5ac1ff49 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", -- 2.34.1