This patch set fixes two kinds of musb-gadget bug:
-fix kernel panic if using out ep with FIFO_TXRX style
-make double buffer mode usable, fix infinate hangs and buffer
corrupt bug when using double buffer mode to do data transfer;
now we can use musb double buffer reliably, so bootst performance
about 30% compared with single buffer mode.
[RESEND/PATCH 1/6] USB: musb-gadget: fix kernel panic if using
out ep with FIFO_TXRX style(v1)
[RESEND/PATCH 2/6] USB: musb-gadget: fix bulk IN infinite hangs
in double buffer case
[RESEND/PATCH 3/6] USB: musb-gadget: enable autoclear for OUT
transfer in both DMA 0 and DMA 1
[RESEND/PATCH 4/6] USB: musb-gadget: fix DMA length for OUT
transfer
[RESEND/PATCH 5/6] USB: musb-gadget: complete request only if
data is transfered over
[RESEND/PATCH 6/6] USB: musb-gadget: fix dma length in txstate
thanks,
Lei Ming
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