Hi Krzysztof,
On 5/4/2019 12:50 AM, Krzysztof Kozlowski wrote:
Hi,
Bisect pointed commit 707d80f0a3c5 ("usb: dwc2: gadget: Replace phyif
with phy_utmi_width") as reason for failures of USB on Exynos4412,
Odroid U3 board (ARMv7, exynos_defconfig, TFTP boot with nfsroot from
NFSv4):
[ 4.333996] usb 1-2: new high-speed USB device number 3 using exynos-ehci
[ 4.503942] usb 1-2: device descriptor read/64, error -71
[ 4.793970] usb 1-2: device descriptor read/64, error -71
[ 4.914748] usb usb1-port2: attempt power cycle
[ 6.224267] usb 1-3: new high-speed USB device number 5 using exynos-ehci
[ 6.393983] usb 1-3: device descriptor read/64, error -71
[ 6.684243] usb 1-3: device descriptor read/64, error -71
[ 6.954259] usb 1-3: new high-speed USB device number 6 using exynos-ehci
[ 7.123980] usb 1-3: device descriptor read/64, error -71
[ 7.413969] usb 1-3: device descriptor read/64, error -71
[ 7.534778] usb usb1-port3: attempt power cycle
The boot failure is effect of lack of network adapter (USB, smsc95xx).
Expected:
[ 4.285831] usb 1-3: New USB device found, idVendor=0424, idProduct=3503, bcdDevice=a1.a0
[ 4.288986] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 4.299596] hub 1-3:1.0: USB hub found
[ 4.300027] hub 1-3:1.0: 3 ports detected
[ 5.895541] smsc95xx 1-2:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
Full kernel log is here:
https://urldefense.proofpoint.com/v2/url?u=https-3A__krzk.eu_-23_builders_25_builds_1330_steps_14_logs_serial0&d=DwIBaQ&c=DPL6_X_6JkXFx7AXWqB0tg&r=6z9Al9FrHR_ZqbbtSAsD16pvOL2S3XHxQnSzq8kusyI&m=OiD-VOiMNPgl24seQpn5JKZq7f85A4LNzaz8zX0YrKs&s=WBsxDt_1PXo9t9AxxJkUTTLE6zx_UDc7ac_U3EydCzI&e=
https://urldefense.proofpoint.com/v2/url?u=https-3A__krzk.eu_-23_builders_25_builds_1330&d=DwIBaQ&c=DPL6_X_6JkXFx7AXWqB0tg&r=6z9Al9FrHR_ZqbbtSAsD16pvOL2S3XHxQnSzq8kusyI&m=OiD-VOiMNPgl24seQpn5JKZq7f85A4LNzaz8zX0YrKs&s=Lxk4ZiitEFaod88HTY0hthrdRy_TtktU53P6UDtaCoE&e=
Let me know if you need any more details.
Best regards,
Krzysztof
But fail seen on ehci driver not dwc2.
Thanks,
Minas
