From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2FFC9171A9 for ; Mon, 22 May 2023 19:49:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2334C433D2; Mon, 22 May 2023 19:49:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684784962; bh=qcTLJdlnhfgIBA0C43Sbk31XTRmyFAaa++oUAUaTBn4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pbeEMJwI3OBOtrTzJBhVLiilM8M3f4cz7QPzEXgCudZqd+N1v7uINYz3iM9TP35X3 UtCUymhW+VGtwL5BFQMZ9V4PWZszf3Yi/onHJMvd2L5QEckLtaxjQdKCQCkUfsxnT2 hnc1LBqOqQ6ST3tdYJ+NM5g3Nwe08gcgfCJk8N3o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Florian Fainelli , Pavan Chebbi , Paolo Abeni , Sasha Levin Subject: [PATCH 6.3 262/364] net: bcmgenet: Restore phy_stop() depending upon suspend/close Date: Mon, 22 May 2023 20:09:27 +0100 Message-Id: <20230522190419.258283968@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230522190412.801391872@linuxfoundation.org> References: <20230522190412.801391872@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Florian Fainelli [ Upstream commit 225c657945c4a6307741cb3cc89467eadcc26e9b ] Removing the phy_stop() from bcmgenet_netif_stop() ended up causing warnings from the PHY library that phy_start() is called from the RUNNING state since we are no longer stopping the PHY state machine during bcmgenet_suspend(). Restore the call to phy_stop() but make it conditional on being called from the close or suspend path. Fixes: c96e731c93ff ("net: bcmgenet: connect and disconnect from the PHY state machine") Fixes: 93e0401e0fc0 ("net: bcmgenet: Remove phy_stop() from bcmgenet_netif_stop()") Signed-off-by: Florian Fainelli Reviewed-by: Pavan Chebbi Link: https://lore.kernel.org/r/20230515025608.2587012-1-f.fainelli@gmail.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index f28ffc31df220..eca0c92c0c84d 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3450,7 +3450,7 @@ static int bcmgenet_open(struct net_device *dev) return ret; } -static void bcmgenet_netif_stop(struct net_device *dev) +static void bcmgenet_netif_stop(struct net_device *dev, bool stop_phy) { struct bcmgenet_priv *priv = netdev_priv(dev); @@ -3465,6 +3465,8 @@ static void bcmgenet_netif_stop(struct net_device *dev) /* Disable MAC transmit. TX DMA disabled must be done before this */ umac_enable_set(priv, CMD_TX_EN, false); + if (stop_phy) + phy_stop(dev->phydev); bcmgenet_disable_rx_napi(priv); bcmgenet_intr_disable(priv); @@ -3485,7 +3487,7 @@ static int bcmgenet_close(struct net_device *dev) netif_dbg(priv, ifdown, dev, "bcmgenet_close\n"); - bcmgenet_netif_stop(dev); + bcmgenet_netif_stop(dev, false); /* Really kill the PHY state machine and disconnect from it */ phy_disconnect(dev->phydev); @@ -4303,7 +4305,7 @@ static int bcmgenet_suspend(struct device *d) netif_device_detach(dev); - bcmgenet_netif_stop(dev); + bcmgenet_netif_stop(dev, true); if (!device_may_wakeup(d)) phy_suspend(dev->phydev); -- 2.39.2