Re: dwc2 / Raspberry Pi - hardware bug for small transfers results in memory corruption

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Am Mittwoch, den 14.08.2019, 16:59 +0100 schrieb Jonathan Bell:
> As reported by one of our users here:
> https://github.com/raspberrypi/linux/issues/3148
> 
> There is a bug when the dwc2 core receives USB data packets that are
> between 1 and 4 bytes in length - 4 bytes are always written to memory
> where the non-packet bytes are garbage.

Hi,

in which function does that happen? If your buffer cannot handle 4
bytes I cannot see how it copes with teh DMA rules.

	Regards
		Oliver




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