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[20131019] Raspberry Pi USB HC driver change - DMA support added
Nick Hudson reports that he has ``recently switched the Raspberry Pi kernel to dwctwo(4) a new USB drvier based on the Synopsys code. It's a more complete driver than the previous dotg(4) and has DMA support''. Jun Ebihara confirms that the driver works fine with a dmesg extract, and also lets us know that the driver will be in his next RPI image.

This change does not only affect the Raspberry Pi, but also other machines that have a Synopsis USB like the OpenBlocks 600, as KIYOHARA Takashi lets us know.

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