Kishon Vijay Abraham I c0bd5456a4 usb: dwc3: ep0: handle non maxpacket aligned transfers > 512 ...

Use chained TRB mechanism to handle non maxpacket aligned transfers
greater than bounce buffer size. With this the first TRB will be programmed
to receive 'ALIGN(ur->length - maxp, maxp)' data and the second TRB
will be programmed to receive the remaining data using bounce buffer.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

2015-07-30 11:43:35 -05:00

27 KiB

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