From patchwork Mon Sep 13 18:07:23 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cyril Chemparathy X-Patchwork-Id: 64620 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id A22C9B70D1 for ; Tue, 14 Sep 2010 04:08:12 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754661Ab0IMSHj (ORCPT ); Mon, 13 Sep 2010 14:07:39 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:50680 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754586Ab0IMSHi (ORCPT ); Mon, 13 Sep 2010 14:07:38 -0400 Received: from dlep34.itg.ti.com ([157.170.170.115]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id o8DI7aTD016032 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 13 Sep 2010 13:07:36 -0500 Received: from legion.dal.design.ti.com (localhost [127.0.0.1]) by dlep34.itg.ti.com (8.13.7/8.13.7) with ESMTP id o8DI7aUk026125; Mon, 13 Sep 2010 13:07:36 -0500 (CDT) Received: from gtrgwdeb (gtrgwdeb.telogy.design.ti.com [158.218.102.24]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id o8DI7Zf19344; Mon, 13 Sep 2010 13:07:35 -0500 (CDT) Received: by gtrgwdeb (Postfix, from userid 39959) id 0CFD31E7986; Mon, 13 Sep 2010 14:07:34 -0400 (EDT) From: Cyril Chemparathy To: netdev@vger.kernel.org, davinci-linux-open-source@linux.davincidsp.com, linux-omap@vger.kernel.org Cc: michael.williamson@criticallink.com, caglarakyuz@gmail.com, bparrot@ti.com, Cyril Chemparathy Subject: [PATCH 1/9] net: davinci_emac: allow forced 100/full via phy_id Date: Mon, 13 Sep 2010 14:07:23 -0400 Message-Id: <1284401251-8846-2-git-send-email-cyril@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1284401251-8846-1-git-send-email-cyril@ti.com> References: <1284401251-8846-1-git-send-email-cyril@ti.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org With this patch, phy_id can be one of the following: 1) NULL : use the first phy on the bus, 2) "" : force to 100/full, no mdio control 3) ":" : use the specified bus and phy The ability to force 100/full is necessary on some platforms (e.g. da830 evm), where an on-board switch may be connected on the emac mii. Signed-off-by: Cyril Chemparathy Signed-off-by: Michael Williamson Signed-off-by: Caglar Akyuz --- drivers/net/davinci_emac.c | 2 +- include/linux/davinci_emac.h | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletions(-) diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index 525b84c..363c970 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -1566,7 +1566,7 @@ static int emac_dev_open(struct net_device *ndev) priv->phy_id = dev_name(phy); } - if (priv->phy_id) { + if (priv->phy_id && *priv->phy_id) { priv->phydev = phy_connect(ndev, priv->phy_id, &emac_adjust_link, 0, PHY_INTERFACE_MODE_MII); diff --git a/include/linux/davinci_emac.h b/include/linux/davinci_emac.h index 7508e49..9ae9ff0 100644 --- a/include/linux/davinci_emac.h +++ b/include/linux/davinci_emac.h @@ -25,6 +25,13 @@ struct emac_platform_data { u32 ctrl_ram_offset; u32 hw_ram_addr; u32 ctrl_ram_size; + + /* + * phy_id can be one of the following: + * - NULL : use the first phy on the bus, + * - "" : force to 100/full, no mdio control + * - ":" : use the specified bus and phy + */ const char *phy_id; u8 rmii_en; u8 version;