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 C9081C43334 for ; Wed, 22 Jun 2022 05:50:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356789AbiFVFuQ (ORCPT ); Wed, 22 Jun 2022 01:50:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356811AbiFVFuP (ORCPT ); Wed, 22 Jun 2022 01:50:15 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B7C836687; Tue, 21 Jun 2022 22:50:15 -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 9D83E61984; Wed, 22 Jun 2022 05:50:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id DE474C341C5; Wed, 22 Jun 2022 05:50:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655877014; bh=NYMvEwJ+Kg6KM2WUIA6aIdBjJvD5lTTcCxon/DwW/70=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=H8UGj6ZPOGQq5h7zyOv0y5h0Do8DlwJq26Em137Xed0vDBBDqyQ5LTB0ZnvdANfLw 4zU1Z4ilBCA96zIt3qW7QBXyEzzunfgN9s2jSophUW+2Ab/hLw5BdJunXwAr9cRTFU PfS5eBTwiI24V7Tv74/13HAAyh093ZJ55PmSmPaNnOqYrSMJN2Q2tDOcmItEH6nnbn VwpqiP0fncCud3tdIrVyBs6VfwjVbwH4VOTaypRhSivoNVEZNu8F+KGbk43AHV37tC PbI9CZ0CBqr35lHonYA6U+Xd+sD9t+w40poUww3Wdn55DCWng54mvmnbEJmkdMI4o+ mPsVgMhiyeW5g== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id BB308E574DA; Wed, 22 Jun 2022 05:50:13 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: phy: smsc: Disable Energy Detect Power-Down in interrupt mode From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165587701375.11274.5335349577146413179.git-patchwork-notify@kernel.org> Date: Wed, 22 Jun 2022 05:50:13 +0000 References: <439a3f3168c2f9d44b5fd9bb8d2b551711316be6.1655714438.git.lukas@wunner.de> In-Reply-To: <439a3f3168c2f9d44b5fd9bb8d2b551711316be6.1655714438.git.lukas@wunner.de> To: Lukas Wunner Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, netdev@vger.kernel.org, linux-usb@vger.kernel.org, steve.glendinning@shawell.net, UNGLinuxDriver@microchip.com, oneukum@suse.com, andre.edich@microchip.com, linux@rempel-privat.de, martyn.welch@collabora.com, ghojda@yo2urs.ro, chf.fritz@googlemail.com, LinoSanfilippo@gmx.de, p.rosenberger@kunbus.com, z.han@kunbus.com, hkallweit1@gmail.com, andrew@lunn.ch, linux@armlinux.org.uk, fntoth@gmail.com, m.szyprowski@samsung.com, krzk@kernel.org, linux-samsung-soc@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski : On Mon, 20 Jun 2022 13:04:50 +0200 you wrote: > Simon reports that if two LAN9514 USB adapters are directly connected > without an intermediate switch, the link fails to come up and link LEDs > remain dark. The issue was introduced by commit 1ce8b37241ed ("usbnet: > smsc95xx: Forward PHY interrupts to PHY driver to avoid polling"). > > The PHY suffers from a known erratum wherein link detection becomes > unreliable if Energy Detect Power-Down is used. In poll mode, the > driver works around the erratum by briefly disabling EDPD for 640 msec > to detect a neighbor, then re-enabling it to save power. > > [...] Here is the summary with links: - [net] net: phy: smsc: Disable Energy Detect Power-Down in interrupt mode https://git.kernel.org/netdev/net/c/2642cc6c3bbe You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html