AM3517 MUSB issues with 3.x.y kernels?

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Hi All,

We are having problems when trying to connect LAN9512 to AM3517 MUSB.
The Ethernet connection runs fine for a while, but randomly stops every
now and then (ifdown eth0; ifup eth0 solves the problem). When LAN9512
is connected to AM3517 HSUSB ping runs without problems. This problem
was found using (patched) kernel version 3.6.11.

root@armhf:~# lsusb
Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.

Trying to upgrade kernel to 3.7.y, 3.8.y or 3.9.y could help, but
MUSB doesn't seem to probe any devices with new kernel:

root@armhf:~# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Should the MUSB driver work with 3.8.y or later? Am I missing some
related configuration details?

-- 
-panu
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