We have a board similar to the beagleboard C3, but we have forced musb
to host-mode and added an "smsc95xx" and an RJ45 connector instead. In
2.6.39 I configured the musb driver to operate in host-mode, and that
was all that was needed to make it work.
In 3.1.0rc4 that option has been removed from the Kconfig, and the
default configuration of the musb driver is otg-mode. In my boardfile I
changed the musb_board_data to:
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_ULPI,
.mode = MUSB_HOST,
.power = 100,
}
That gives me the following output in dmesg:
[ 0.120544] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
[ 0.120697] omap_device: musb-omap2430.-1: new worst case activate
latency 0: 30517
[ 0.120727] musb-hdrc musb-hdrc: musb_init_controller failed with
status -19
[ 0.120758] (NULL device *): gadget not registered.
Reading drivers/usb/musb/omap2430.c, it seems the problem is that no
transceiver is configured, but I'm not sure if its a configuration
problem or a bug.
Tasslehoff
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