Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752864AbdCPPt1 (ORCPT ); Thu, 16 Mar 2017 11:49:27 -0400 Received: from lpdvrndsmtp01.broadcom.com ([192.19.229.170]:52098 "EHLO rnd-relay.smtp.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751185AbdCPPtX (ORCPT ); Thu, 16 Mar 2017 11:49:23 -0400 From: Steve Lin To: davem@davemloft.net, rafal@milecki.pl, jon.mason@broadcom.com, f.fainelli@gmail.com, tklauser@distanz.ch Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, steven.lin1@broadcom.com Subject: [PATCH] net: ethernet: bgmac: Allow MAC address to be specified in DTB Date: Thu, 16 Mar 2017 11:48:58 -0400 Message-Id: <1489679338-39705-1-git-send-email-steven.lin1@broadcom.com> X-Mailer: git-send-email 2.1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2003 Lines: 76 Allows the BCMA version of the bgmac driver to obtain MAC address from the device tree. If no MAC address is specified there, then the previous behavior (obtaining MAC address from SPROM) is used. Signed-off-by: Steve Lin --- drivers/net/ethernet/broadcom/bgmac-bcma.c | 39 ++++++++++++++++++------------ 1 file changed, 23 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c b/drivers/net/ethernet/broadcom/bgmac-bcma.c index cf15b7e..6322594 100644 --- a/drivers/net/ethernet/broadcom/bgmac-bcma.c +++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "bgmac.h" static inline bool bgmac_is_bcm4707_family(struct bcma_device *core) @@ -114,7 +115,7 @@ static int bgmac_probe(struct bcma_device *core) struct ssb_sprom *sprom = &core->bus->sprom; struct mii_bus *mii_bus; struct bgmac *bgmac; - u8 *mac; + const u8 *mac = NULL; int err; bgmac = bgmac_alloc(&core->dev); @@ -127,21 +128,27 @@ static int bgmac_probe(struct bcma_device *core) bcma_set_drvdata(core, bgmac); - switch (core->core_unit) { - case 0: - mac = sprom->et0mac; - break; - case 1: - mac = sprom->et1mac; - break; - case 2: - mac = sprom->et2mac; - break; - default: - dev_err(bgmac->dev, "Unsupported core_unit %d\n", - core->core_unit); - err = -ENOTSUPP; - goto err; + if (bgmac->dev->of_node) + mac = of_get_mac_address(bgmac->dev->of_node); + + /* If no MAC address assigned via device tree, check SPROM */ + if (!mac) { + switch (core->core_unit) { + case 0: + mac = sprom->et0mac; + break; + case 1: + mac = sprom->et1mac; + break; + case 2: + mac = sprom->et2mac; + break; + default: + dev_err(bgmac->dev, "Unsupported core_unit %d\n", + core->core_unit); + err = -ENOTSUPP; + goto err; + } } ether_addr_copy(bgmac->net_dev->dev_addr, mac); -- 2.1.0