Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755920AbdCWOqj (ORCPT ); Thu, 23 Mar 2017 10:46:39 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:35469 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751309AbdCWOqh (ORCPT ); Thu, 23 Mar 2017 10:46:37 -0400 Date: Fri, 24 Mar 2017 14:43:18 +0800 From: Dong Aisheng To: Leonard Crestez Cc: Shawn Guo , Sascha Hauer , linux-arm-kernel@lists.infradead.org, Fabio Estevam , Fugang Duan , Octavian Purdila , Florian Fainelli , linux-kernel@vger.kernel.org Subject: Re: [PATCH] ARM: imx_v6_v7_defconfig: Select SMSC_PHY Message-ID: <20170324064318.GD12604@b29396-OptiPlex-7040> References: <82d0aeeaed87ae5c9390b889cef4c54d715cde61.1490191972.git.leonard.crestez@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <82d0aeeaed87ae5c9390b889cef4c54d715cde61.1490191972.git.leonard.crestez@nxp.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3668 Lines: 113 Hi Leonard, On Wed, Mar 22, 2017 at 04:27:37PM +0200, Leonard Crestez wrote: > The imx6sl-evk board has a LAN8720A ethernet phy supported by SMSC_PHY. > Add this driver to the default imx config since the device is present on > one of the evaluation boards. Upstream currently no evaluation board support. This may leave to Shawn to decide whether apply it. > > This used to work mostly fine with the generic phy driver but since > commit 0878fff1f42c18e448ab5b8b4f6a3eb32365b5b6 that driver no longer I guess you should get a checkpatch error here. > performs a soft reset on startup. This causes netboot to sometimes > timeout on DHCP because RX doesn't work right. DHCP is eventually retried and Probably another checkpatch warning. > it works the second time but it takes 90+ seconds to get a login prompt. > > This was generated with "make savedefconfig" and it includes a few > additional minor cleanups. > It is a bit strange, after apply your patch, i still get a lot difference as follows when savedefconfig: diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig index bb6fa56..64e5f4b 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -163,9 +163,9 @@ CONFIG_MOUSE_PS2_ELANTECH=y CONFIG_INPUT_TOUCHSCREEN=y CONFIG_TOUCHSCREEN_ADS7846=y CONFIG_TOUCHSCREEN_EGALAX=y +CONFIG_TOUCHSCREEN_MAX11801=y CONFIG_TOUCHSCREEN_IMX6UL_TSC=y CONFIG_TOUCHSCREEN_EDT_FT5X06=y -CONFIG_TOUCHSCREEN_MAX11801=y CONFIG_TOUCHSCREEN_MC13783=y CONFIG_TOUCHSCREEN_TSC2004=y CONFIG_TOUCHSCREEN_TSC2007=y @@ -174,7 +174,6 @@ CONFIG_TOUCHSCREEN_SX8654=y CONFIG_TOUCHSCREEN_COLIBRI_VF50=y CONFIG_INPUT_MISC=y CONFIG_INPUT_MMA8450=y -CONFIG_HID_MULTITOUCH=y CONFIG_SERIO_SERPORT=m # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_IMX=y @@ -268,6 +267,7 @@ CONFIG_SND_SOC_CS42XX8_I2C=y CONFIG_SND_SOC_TLV320AIC3X=y CONFIG_SND_SOC_WM8960=y CONFIG_SND_SIMPLE_CARD=y +CONFIG_HID_MULTITOUCH=y CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_MXC=y I don't know what's wrong. Toolchains difference? Quite strange... Regards Dong Aisheng > Signed-off-by: Leonard Crestez > --- > > 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 it's worthwhile. > > 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 >