On 07/16/2013 08:52 PM, Daniel Mack wrote:
> Commit b7e2e75a8c ("usb: gadget: drop unused USB_GADGET_MUSB_HDRC")
> dropped a config symbol that was unused by the musb core, but it turns
> out that board support code had references to it.
>
> As the core now has a fall-back to host-only mode if support for
> dual-role is not compiled in, so we can just pass MUSB_OTG as
> mode from board files.
>
> Signed-off-by: Daniel Mack <zonque@xxxxxxxxx>
> Reported-and-tested-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
I'm testing musb as OTG on beagleboard (old one, not Beagle-xm). And
using the latest kernel.org version with this patch applied I see the
following messages while booting (repeatedly):
[ 4.998168] usb usb1: bus auto-suspend, wakeup 1
[ 5.003112] musb_bus_suspend 2457: trying to suspend as b_idle while active
[ 5.010498] usb usb1: bus suspend fail, err -16
[ 5.015289] hub 1-0:1.0: hub_resume
[ 5.019073] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0000
[ 5.024963] hub 1-0:1.0: hub_suspend
[ 5.028778] usb usb1: bus auto-suspend, wakeup 1
...
This is without a cable connected to the OTG port.
Any ideas what might be missing here?
BTW: I enabled USB support for beagle in the dts this way:
+&usb_otg_hs {
+ interface-type = <0>;
+ usb-phy = <&usb2_phy>;
+ mode = <3>;
+ power = <50>;
+};
Thanks,
Stefan
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