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 23E34C2BA4C for ; Wed, 26 Jan 2022 13:04:25 +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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ST80ulw4hLYsewO/zUKd2OWbwes3sOiunqgjbo9bRR0=; b=LFJclu/prCNtL/ hxr91gKXBJj0gxlv/6qlgwmB6qcuOZeXNStRzXU8jkYCKa7GuLzZFB4UicGxP19DSMd4FqK/EUdfr cBkvA0Rj9+XzDkaisaGnbMA1YXceJWK41SpOBcfUH3gYQI/CmeVXbo1RY2jsg5l3Hll7KYz0ZLzU8 cVtZopNrUIL9nPmXsInLYdH6QDRRXCCPlPCFSTr/0E8DwaHR9A3ZNpEsvigx87QUN8fgARvbEEoQh Adh57FSut5LHO6lFAuN/6ItjtuljMhWc1037If79tqoAbtIVfy8QI1EzPB4z2UcNjE8DzmX+jNFvW KyMCSGdYZQ7lPfyw7mlA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nChxD-00BnNY-JN; Wed, 26 Jan 2022 13:03:15 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nChx7-00BnM4-3T for linux-arm-kernel@lists.infradead.org; Wed, 26 Jan 2022 13:03:10 +0000 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 ACCB061A3F; Wed, 26 Jan 2022 13:03:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E8E8C340E3; Wed, 26 Jan 2022 13:03:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643202188; bh=I/sYGDx/XyXGayEEK+UDUv1Ro8EyPNYU+/FL/SgC0Sg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=g6G36H1ZimcP9WAjchnqyB2PyL54aAfm39ckwcon06tV5/ptTzm/2apZmy/O6RjNf TFEUhRiJwoRCpD4Z+lJo5MrDdRbAk7rfrCPrA/BjsxASCDl/GvY31eU9XTdj9bFwbQ 9XYHDFnyEOlJjgFFsf8fLqIPEluFCORQGtZthfBx1CfdeeoaPu+11NH8FctU0bcHdy C2inkqMMlPQLRzyuX63QBHaZAmKKr0nacprXc9NiQApbL/OGlennI0xjUhQue2PWa9 Z/rgytKkbx7fDkTRiVB7vw+oIK7MkczCy2N4LuxIBB1xqbNuwm1TNuBBTdM7DvLN7b F3JRQOB1zwVdg== Date: Wed, 26 Jan 2022 20:55:22 +0800 From: Jisheng Zhang To: Andrew Lunn Cc: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S . Miller" , Jakub Kicinski , Maxime Coquelin , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] net: stmmac: don't stop RXC during LPI Message-ID: References: <20220123141245.1060-1-jszhang@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220126_050309_205172_7CE50C35 X-CRM114-Status: GOOD ( 13.99 ) 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 On Sun, Jan 23, 2022 at 06:39:26PM +0100, Andrew Lunn wrote: > > I think this is a common issue because the MAC needs phy's RXC for RX > > logic. But it's better to let other stmmac users verify. The issue > > can easily be reproduced on platforms with PHY_POLL external phy. > > What is the relevance of PHY polling here? Are you saying if the PHY > is using interrupts you do not see this issue? I tried these two days, if the PHY is using interrupts, I can't reproduce the issue. It looks a bit more complex. Any suggestions? Thanks in advance _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel