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usb: renesas_usbhs: fifo became independent from pipe.

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Current renesas_usbhs has PIO data transfer mode which controls CFIFO.
And it was implemented in pipe.c.
But, fifo control method needs more flexible implementation
to support DMAEngine.
This patch create fifo.c, and it became independent from pipe.c.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kuninori Morimoto 2011-06-06 14:18:03 +09:00 • committed by Greg Kroah-Hartman
commit e8d548d549
7 changed files with 290 additions and 251 deletions
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