From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=156.67.10.101 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794691955; b=4ebAKBjyaZ9SgfP78YbhtbE3qBArwbQNnv2xcBh1Lu79i1uscx8u3RKNhrqvTrgNipna bEMAZk6GAUj8y2/LhWctt8mNGhrpAWCEVgcLgDE/1lNPxmHk2AXvB1LIlEpwZBGlb+Yvz K98lyvDRmf1uoVm/T2jlZStScv/97RB8ZEg7Yx6NyV3nkLNrfJXRlYcx15j3tmn1WnjK8 ZIqTV8TewAGg7OsctJ8PA3YI77iPcsleUerExolQ12IAa7N8igwfAfzlL0eBYqi3Pq5xS IaeUAaAOCvcvakOYOhH9y5XiHtrhTla+57gJmidF5ppsm4bDGeOBb1/h1ZHtfCoiwuA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794691955; h=DMARC-Filter:DKIM-Signature:Received:Date:From:To:Cc:Subject: Message-ID:References:MIME-Version:Content-Type:Content-Disposition: In-Reply-To; bh=DEbZG1llRU2rKP4835mGQK+4Byf0ouXp6r0lXYvbzoQ=; b=retDfvuontQAnhjltrxufVtL0pImPuO1baGfcrNZkt7phLHckfqe22O+8V1Bdem0+hEa /Oz/EDbRXMZd2gcGCOn2af+J+ya6TYhddktaJlnvxdZqPZDbUeZMtgoONVK4hDeGoFoij cziLpWkHqaY4DJnbCRgo1CXrWBa7+U84Bdn+gvHUWTdt6/VAcgyI8XMb8owSJ8/Q0gCJu 08swZQXNlscmC41ih/a24FiLZWpszN4EdncRKkAOPr1tBnWr6ec5gaQDv+qvWUGo/ay3G psrCveq57hXOhB1KKwEM3NLccasGw505QN1kgA+47Eq9TyrKwDktdOgtyC2Ov/SOV0w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass header.d=lunn.ch header.i=@lunn.ch header.a=rsa-sha256 header.s=20171124 header.b=uYX6FFVJ; arc=none smtp.remote-ip=156.67.10.101 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 821FB606A323; Sat, 14 Nov 2026 21:32:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 821FB606A323 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.a=rsa-sha256 header.s=20171124 header.b=uYX6FFVJ 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=DEbZG1llRU2rKP4835mGQK+4Byf0ouXp6r0lXYvbzoQ=; b=uYX6FFVJEw7Le8Uj1QSzGfpJBJ iAcbSAdllYeRN9n0tWM6MBCwHOd6dspEYhpZ/fPXJCdzgVKM6YBX3Ugs4tjdf6/wD8nIFEYjCQ7gI ViG36NwKQf/NFpb4hluBnhg+yu1m6gUJDB9eA/rypBtGuQ1imBpmVTS5uGfpKm9G6Dow=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1xSLMM-00GXSF-K8; Sat, 14 Nov 2026 22:32:30 +0100 Date: Sat, 14 Nov 2026 22:32:30 +0100 From: Andrew Lunn To: David Yang Cc: netdev@vger.kernel.org, Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next] net: dsa: motorcomm: Resync SMI slave after interrupted MDIO access Message-ID: <825e7781-7331-4596-8efc-9253ca544d0d@lunn.ch> References: <20261111163954.1132921-1-mmyangfl@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261111163954.1132921-1-mmyangfl@gmail.com> > Realign the machine before the next access does its own work. Also, the > initial value is unsynced, so any stale state is not inherited. Seems like you should call the sync function in yt921x_chip_reset before doing anything else. Andrew