From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932323AbdC2Ksd (ORCPT ); Wed, 29 Mar 2017 06:48:33 -0400 Received: from mail-dm3nam03on0047.outbound.protection.outlook.com ([104.47.41.47]:5664 "EHLO NAM03-DM3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753541AbdC2KsT (ORCPT ); Wed, 29 Mar 2017 06:48:19 -0400 Authentication-Results: spf=fail (sender IP is 192.88.158.2) smtp.mailfrom=nxp.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=fail action=none header.from=nxp.com; From: Leonard Crestez To: Shawn Guo , Sascha Hauer CC: Leonard Crestez , , Fabio Estevam , Fugang Duan , Octavian Purdila , Florian Fainelli , Subject: [PATCH v2] ARM: imx_v6_v7_defconfig: Select SMSC_PHY Date: Wed, 29 Mar 2017 13:48:02 +0300 Message-ID: <0d4ff89ce2276dfbde2db8ced3fff10582a5b899.1490783707.git.leonard.crestez@nxp.com> X-Mailer: git-send-email 2.7.4 X-EOPAttributedMessage: 0 X-Matching-Connectors: 131352580965960787;(91ab9b29-cfa4-454e-5278-08d120cd25b8);() X-Forefront-Antispam-Report: CIP:192.88.158.2;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(6009001)(336005)(39380400002)(39410400002)(39860400002)(39450400003)(39840400002)(39400400002)(39850400002)(2980300002)(1109001)(1110001)(339900001)(189002)(199003)(9170700003)(8936002)(305945005)(4326008)(38730400002)(77096006)(81166006)(189998001)(8656002)(8676002)(86362001)(5003940100001)(54906002)(85426001)(6306002)(50986999)(105606002)(33646002)(2906002)(50226002)(39060400002)(47776003)(118296001)(5660300001)(53936002)(106466001)(48376002)(36756003)(6666003)(356003)(50466002)(104016004)(15760500002);DIR:OUT;SFP:1101;SCL:1;SRVR:BLUPR0301MB1955;H:az84smr01.freescale.net;FPR:;SPF:Fail;MLV:ovrnspm;MX:1;A:1;PTR:InfoDomainNonexistent;LANG:en; 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Add this driver to the default imx config since the device is present on one of the evaluation boards. This used to work mostly fine with the generic phy driver until commit 0878fff1f42c ("net: phy: Do not perform software reset for Generic PHY"). The fact that soft reset is no longer performed apparently causes RX to sometimes failes which can cause netboot to timeout on DHCP. This is eventually retried and it works after link up/down but can takes 90 seconds to reach the login prompt. This was generated with "make savedefconfig" and it includes a few additional minor cleanups. Signed-off-by: Leonard Crestez Reviewed-by: Fabio Estevam Acked-by: Florian Fainelli Acked-by: Fugang Duan --- I also tried to do some debugging in the fec driver and it apparently receives corrupted packets when this happens. If I hack it to go into promiscuous mode unconditionally it gets a whole bunch of rx errors (crc errors, length errors and so on). So the phy config is probably wrong and is confusing the mac? In theory it might be possible to make that driver "just work" with phy settings from uboot but it's not clear that's worthwhile. Link to v1: https://lkml.org/lkml/2017/3/22/416 Changes: * Improve commit message to fix checkpatch.pl warnings. arch/arm/configs/imx_v6_v7_defconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig index eaba3b1..e605389 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -143,6 +143,7 @@ CONFIG_SMSC911X=y # CONFIG_NET_VENDOR_STMICRO is not set CONFIG_AT803X_PHY=y CONFIG_MICREL_PHY=y +CONFIG_SMSC_PHY=y CONFIG_USB_PEGASUS=m CONFIG_USB_RTL8150=m CONFIG_USB_RTL8152=m @@ -152,7 +153,6 @@ CONFIG_BRCMFMAC=m CONFIG_WL12XX=m CONFIG_WLCORE_SDIO=m # CONFIG_WILINK_PLATFORM_DATA is not set -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_EVDEV=y CONFIG_INPUT_EVBUG=m CONFIG_KEYBOARD_GPIO=y @@ -376,7 +376,6 @@ CONFIG_NLS_ISO8859_1=y CONFIG_NLS_ISO8859_15=m CONFIG_NLS_UTF8=y CONFIG_PRINTK_TIME=y -CONFIG_DEBUG_FS=y CONFIG_MAGIC_SYSRQ=y # CONFIG_SCHED_DEBUG is not set CONFIG_PROVE_LOCKING=y -- 2.7.4