From patchwork Thu Dec 14 11:45:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: claudiu beznea X-Patchwork-Id: 13492933 X-Patchwork-Delegate: kuba@kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="Y+m+p6IK" Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A45511705 for ; Thu, 14 Dec 2023 03:46:51 -0800 (PST) Received: by mail-ej1-x634.google.com with SMTP id a640c23a62f3a-a22f2a28c16so316154266b.0 for ; Thu, 14 Dec 2023 03:46:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1702554410; x=1703159210; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=14qVcRtLUoxmGTGt0RCexgzno6C/e+ZUicAuIzWdGM8=; b=Y+m+p6IKW7np4yvKR3QIsaIFRHZ7BtcGXWxM4p8gan3plrP0UJWam9zMILEllQkOzp 9nZN8tWs/6VP5hNn3BckBwe7B/eqIQCO7fPH1Oi+aUwC+3Z5UpDue3sPEIHUIi4UfXIw opqQIr70z9f/1eoxLlCdkFD6MeuIcs01NdJ02GBfLxJVFCIa4TEQhspGGBKjZS6oQWA5 M6JYjyYoaPDkaubYLYJa22KQLuhKyqaFSabc7V0+ow5EIAOgEe/tmqj3cObCJPrbHmJc u5sf/tc9qqJS8vmUDg0InKcv4zyuaHnqYfJVCYlkQ5nd/cYang+ex3iHP6Igy2DlGDBn vMhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702554410; x=1703159210; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=14qVcRtLUoxmGTGt0RCexgzno6C/e+ZUicAuIzWdGM8=; b=Q8DS8Ht53qvm0ZENSVbItawfQCM6VY7mF3sReFPOfYeSQ3BvdqVzX55DNFL03oqG09 R4NEVeUm9qGyBpCGloS1SdkwNgkc7BjHqoo2G+RU+ICv6Xl3aNv9B3PMgMOxcaQNxgS/ 9qbjQFPb8YC5H6ECilWSmYXngnZFQ3PJXFMKMjaIaKCNtnIJ9XbkOxhjUl8GVQMgMbt2 /IG5wTrWfF4WWVuBYn9DD3PH0hxvDbHuNlgif9qd/Yhd7N7wgVmfuW4Vrz+bUjBTHMaO qBWzgxPCdsGD222qecFC3YWGPfA+ue7IYXpzBIcCj0K0Q7CGGrW1LlVLkgHAmHBVrKe2 F+0w== X-Gm-Message-State: AOJu0YyR50IYaY6MEpl+hIYc/bU6rdUijN0mkiP36ap4YRlvjyCBL0V9 6ZH3u5rQJt7bgjFTLVbWYs3U9g== X-Google-Smtp-Source: AGHT+IHmclDok0JjLUg0rjrhrqia2ROzMPs6mwFhPJ8AeOdZc7oPAsNAsr5T6UPZrffIVAhz+HTrRA== X-Received: by 2002:a17:907:7d8b:b0:9e3:f24d:5496 with SMTP id oz11-20020a1709077d8b00b009e3f24d5496mr3578988ejc.28.1702554410066; Thu, 14 Dec 2023 03:46:50 -0800 (PST) Received: from claudiu-X670E-Pro-RS.. ([82.78.167.103]) by smtp.gmail.com with ESMTPSA id ll9-20020a170907190900b00a1da2f7c1d8sm9240877ejc.77.2023.12.14.03.46.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Dec 2023 03:46:49 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: s.shtylyov@omp.ru, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, richardcochran@gmail.com, p.zabel@pengutronix.de, yoshihiro.shimoda.uh@renesas.com, wsa+renesas@sang-engineering.com, geert+renesas@glider.be Cc: netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Claudiu Beznea Subject: [PATCH net-next v2 19/21] net: ravb: Do not set promiscuous mode if the interface is down Date: Thu, 14 Dec 2023 13:45:58 +0200 Message-Id: <20231214114600.2451162-20-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231214114600.2451162-1-claudiu.beznea.uj@bp.renesas.com> References: <20231214114600.2451162-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Claudiu Beznea Do not allow setting promiscuous mode if the interface is down. In case runtime PM is enabled, and while interface is down, the IP will be in reset mode (as for some platforms disabling/enabling the clocks will switch the IP to standby mode which will lead to losing registers' content). Commit prepares for the addition of runtime PM. Signed-off-by: Claudiu Beznea --- Changes in v2: - none; this patch is new drivers/net/ethernet/renesas/ravb_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 1995cf7ff084..633346b6cd7c 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2164,6 +2164,9 @@ static void ravb_set_rx_mode(struct net_device *ndev) struct ravb_private *priv = netdev_priv(ndev); unsigned long flags; + if (!netif_running(ndev)) + return; + spin_lock_irqsave(&priv->lock, flags); ravb_modify(ndev, ECMR, ECMR_PRM, ndev->flags & IFF_PROMISC ? ECMR_PRM : 0);