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 71855C433F5 for ; Sun, 23 Jan 2022 17:39:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239320AbiAWRjm (ORCPT ); Sun, 23 Jan 2022 12:39:42 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:49812 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232441AbiAWRjl (ORCPT ); Sun, 23 Jan 2022 12:39:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=TpeFrxH14YUq45bMnvehHjYdMHvlZ8HQZ1rF7DFjtM0=; b=HDVD6mcewueDYju4m+947+6S7s 9IC6udZX/q4dlqxA5MVOk5IIyklMKNYUmFg1lQBfVUvRszN8ZXEtKOEalV3lcp++dji2jb/is4Pd1 vFfsc/c9sZWIiinIC+kpE2pHNjLq7oH5uaeLuuWVjXpKMprgCiGPHJ5ZB+O0JSe9XbU4=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1nBgpq-002Oqt-BT; Sun, 23 Jan 2022 18:39:26 +0100 Date: Sun, 23 Jan 2022 18:39:26 +0100 From: Andrew Lunn To: Jisheng Zhang 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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > 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? Andrew