On 9/22/2013 5:05 PM, Marek Vasut wrote:
Dear Troy Kisky,
On 9/20/2013 3:45 AM, Marek Vasut wrote:
Dear Troy Kisky,
i.mx6 has 1 otg controller, and 3 host ports. So,
CONFIG_USB_MAX_CONTROLLER_COUNT can be greater than 1
even though only 1 device mode controller is supported.
Signed-off-by: Troy Kisky <troy.ki...@boundarydevices.com>
The problem is, will the 3 additional ports still work? I suspect they
will, but then if you run 'usb reset', the gadget port will also be
switched back into USB Host function, no
Best regards,
Marek Vasut
The next patch checks the OTG id before switching to host mode. If it is
grounded, then it enters
host mode, otherwise it doesn't. But, running 'usb reset' on a
netconsole may kill your connection.
It won't if you properly ignore rhis one controller depending on the OTG pin
then, no ?
I can return an error code from ehci_hcd_init, so that ehci_reset will
not be called. But then
usb_lowlevel_init will also return an error, which is good for the call
from usb_init, but bad
for the call in usb_gadget_register_driver.
Perhaps I should return a 1, instead of 0, when the otg_id pin is high?
And check for < 0
before aborting from usb_gadget_register_driver ?
Thanks
Troy
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