[U-Boot] [PATCH v1 0/2] usb: dfu: am335x: allow dfu in fullspeed mode only

[Heiko Schocher]

Hello Lukasz,

Am 09.09.2014 15:43, schrieb Lukasz Majewski:
> Hi Heiko,
>
>> This patchserie adds the new config option CONFIG_DFU_FULLSPEED.
>
> Is there any special reason to support Full Speed (12 Mbit/sec - USB
> 1.1) and not rely solely on the High Speed (USB 2.0) as we do now?
>
>> If this is enabled DFU uses fullspeed only. This is used on the
>> siemens boards.
>
> Is there any DFU problem with the mentioned Siemens board, that we must
> use USB 1.1?
>
> I'd also appreciate more verbose rationale for this patch series - why
> this change is needed? What is the expected improvement?

They have a "USB HW protection circuit" and therefore they only allowed
to use fullspeed ...

@Lukas Stockman: Maybe you could answer this better than me?

bye,
Heiko
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