From: Leonard Crestez <[email protected]> Sent: Wednesday, March 22, 2017 10:28 PM >To: Shawn Guo <[email protected]>; Sascha Hauer ><[email protected]> >Cc: Leonard Crestez <[email protected]>; linux-arm- >[email protected]; Fabio Estevam <[email protected]>; Andy >Duan <[email protected]>; Octavian Purdila ><[email protected]>; Florian Fainelli <[email protected]>; linux- >[email protected] >Subject: [PATCH] ARM: imx_v6_v7_defconfig: Select SMSC_PHY > >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. > >This used to work mostly fine with the generic phy driver but since commit >0878fff1f42c18e448ab5b8b4f6a3eb32365b5b6 that driver no longer 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 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. > >Signed-off-by: Leonard Crestez <[email protected]> >--- > >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
Acked-by: Fugang Duan <[email protected]>
