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USB gadget Serial and USB flash drive

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Hi,

I am using an R7S721033VCFP with Linux 4.9.98. I have enabled USB Gadget to use serial over USB.

When I did it the serial is working well, but the USB flash drive is not working anymore.

The modifications in the kernel were:

->Device Drivers
        ->USB support
<*>     R8A66597 HCD support
<*> Renesas USBHS HCD support
<*>     USB Mass Storage support
<*>     USB Attached SCSI <*> Inventra Highspeed Dual Role Controller (TI, ADI, AW, ...) MUSB Mode Selection (Dual Role mode)

-> Device Drivers
<*> USB support
         <*> USB Gadget Support
              [*] Serial gadget console support
-> USB Peripheral Controller
<*> Renesas R8A66597 USB Peripheral Controller  <*> Renesas USBHS controller
<*> USB Gadget Drivers (Serial Gadget (with CDC ACM and CDC OBEX support))

In my device tree I did the follow modification:

/* USB Function ch0 */

&usbhs0 \{

      status = "okay";

} ;


Someone has any ideia why the g_serial and the mass storage is not working in the same USB port as an OTG?

Thanks.

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