OMAP L138 with exar usb serial converter

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Hi,

we are using an board with a OMAP L138 with a exar xr21v141x [1], an usb to two serial port converter. The exar have drivers [2] for linux but aren't on mainline.

We are having problems when using both ports at same time, the driver only receive the information from one port after the other was closed.

On musb_core.c there are some information about problems with multipoint devices. The behaviour that we are seeing is due to this ?

Any way of resolve this, being able to receive data from both ports when both are open ?

We are having problems compiling the latest release of linux-davinci kernel with usb support, even usb 1.0 interface don't work. Any info about this ?

Thanks.

[1] - http://www.exar.com/connectivity/uart-and-bridging-solutions/usb-uarts/xr21v1412 [2] - http://www.exar.com/common/content/document.ashx?id=20835&languageid=1033

Regards,
Aníbal

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