Hi, (no top-posting) On Fri, Dec 19, 2014 at 12:16:04PM +0100, Eduard Gavin wrote: > Hi Everybody, > > After several test with IGEPv2 board (OMAP3) and linux kernel 3.17 and > 3.18, the OTG works but, (from my point of view) with an weird > behaviour. > > The OTG like a Host only is activated after load a gadget driver, I > mean that, If I plug a USB memory dongle in the OTG port before load a > Gadget driver like "g_ether" the dongle is not recognized. After load > g_ether driver, the usb dongle is recognized without problems. > I miss something in the configuration? > It this the normal behaviour? it's normal. If you configured your kernel for OTG/dual-role, you must have both roles ready to go. that should be considered common sense. cheers -- balbi
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