From patchwork Wed Oct 16 23:06:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Berger X-Patchwork-Id: 1178234 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="d+qnmMVP"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46tnyB1L7mz9sNx for ; Thu, 17 Oct 2019 10:07:46 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437623AbfJPXHb (ORCPT ); Wed, 16 Oct 2019 19:07:31 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:46177 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391310AbfJPXH2 (ORCPT ); Wed, 16 Oct 2019 19:07:28 -0400 Received: by mail-wr1-f66.google.com with SMTP id o18so106963wrv.13; Wed, 16 Oct 2019 16:07:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=2Mypw3BR815FFU4U5Q7Ds4joCjvD25A3UExNUUx7Khw=; b=d+qnmMVPcEb8+hIeAATNeaELj8bvwthwp6JE0yCrVhD/Dj2o3H6kypx82ogtDIx2r+ JAvQc+Vrof9gx5t+RiIsZ/tGcjLUwFDafuEvhvj9T77YtIjsQViYgZClre1Sc1ZPhs4/ 2Fy4AcCwSZoXX8xxIuimBp1k9GZ6bQzrTmtBN1lAJ/mKFKzeno+rwzVV277oznYTwSH0 YGfRlYueEiLWmkkbcHeribdoQ6XDeAP4JzSfqzm6vc8Vnn2KYtzm4WmsGwKOlrT3hMic iL8DF0XJzkdcsGSbETkaKgQgPfCzv9kaWEQ4LKjhOsTM168rkbmRE7s31gjx+TX71Vid z4Ww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=2Mypw3BR815FFU4U5Q7Ds4joCjvD25A3UExNUUx7Khw=; b=BU+QQ1bDAJS+VyjpNBQctR8q84E1b13BZZxIgK7I/hDOBejymT3/vWHvijCDqMewN8 xrZaTb5CboSyoRqqu5upD9iXT2HrnS2w/DIBjb7FEVFaNTbu2OIvzaH9jAU7yn5p4WVD 6DwN0bZUCjAK+Gr8FGR/jBn853zEMhHD53BAmL+sT5uih28ST5SArR0vKtqRmAMqUMYm PQEX7TAV/ahZW9Slr8Ta2LAdj+yMp+s5eD47qi4VwgXK7L7Z07oZvVh4u+2HZTqcgA91 eGPbedD6jttdCangKpLHTkov+6XAcgmZuk2P2aWwLLWi8VMbAemeDOThhGw8gPmC9upS OBMg== X-Gm-Message-State: APjAAAWY3t+4Eji5IdQniQXTSxyNHykrlqG62MNVHzVA54CnUoCoLYEZ mQyNyWbQMmmxAWS+12RsNoA= X-Google-Smtp-Source: APXvYqw7ygO2UMf+AY9OJvdGudEUStiSQ3fz9a5y560ulc/4+4OqXyJfEW9JJDS45+cWVASSPxGZZA== X-Received: by 2002:adf:f0cc:: with SMTP id x12mr252059wro.326.1571267246314; Wed, 16 Oct 2019 16:07:26 -0700 (PDT) Received: from stbirv-lnx-3.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id l9sm297071wme.45.2019.10.16.16.07.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 16 Oct 2019 16:07:25 -0700 (PDT) From: Doug Berger To: "David S. Miller" Cc: Florian Fainelli , Andrew Lunn , Heiner Kallweit , bcm-kernel-feedback-list@broadcom.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Doug Berger Subject: [PATCH net 2/4] net: phy: bcm7xxx: define soft_reset for 40nm EPHY Date: Wed, 16 Oct 2019 16:06:30 -0700 Message-Id: <1571267192-16720-3-git-send-email-opendmb@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1571267192-16720-1-git-send-email-opendmb@gmail.com> References: <1571267192-16720-1-git-send-email-opendmb@gmail.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The internal 40nm EPHYs use a "Workaround for putting the PHY in IDDQ mode." These PHYs require a soft reset to restore functionality after they are powered back up. This commit defines the soft_reset function to use genphy_soft_reset during phy_init_hw to accommodate this. Fixes: 6e2d85ec0559 ("net: phy: Stop with excessive soft reset") Signed-off-by: Doug Berger Acked-by: Florian Fainelli --- drivers/net/phy/bcm7xxx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index 8fc33867e524..af8eabe7a6d4 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -572,6 +572,7 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev) .name = _name, \ /* PHY_BASIC_FEATURES */ \ .flags = PHY_IS_INTERNAL, \ + .soft_reset = genphy_soft_reset, \ .config_init = bcm7xxx_config_init, \ .suspend = bcm7xxx_suspend, \ .resume = bcm7xxx_config_init, \