[U-Boot-Users] [PATCH] Bugfix: Use only one PTD for one endpoint

[Markus Klotzbücher]

Timo Ketola <timo.ketola at exertus.fi> writes:

> Original isp116x-hcd code prepared multiple PTDs for longer than 16
> byte transfers for one endpoint. That is unnecessary because the
> ISP116x is able to split long data from one PTD into multiple
> transactions based on the buffer size of the endpoint. It also caused
> serious problems if the endpoint NAKed some of the transactions. In
> that case ISP116x wouldn't notice that the other PTDs were for the same
> endpoint and would try the other PTDs possibly out of order. That would
> break the whole transfer.
>
> This patch makes isp116x_submit_job to use one PTD for one transfer.
>
> Signed-off-by: Timo Ketola <timo.ketola at exertus.fi>

Added to USB custodian repo - thanks!

Best regards

Markus Klotzbuecher

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