usb: renesas_usbhs: add DMAEngine ID specification note
authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tue, 29 May 2012 06:31:39 +0000 (23:31 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 Jun 2012 19:38:36 +0000 (12:38 -0700)
renesas_usbhs DMAEngine uses D0FIFO/D1FIFO,
but the data transfer direction should be fixed for keeping consistency.
This patch explain about it on renesas_usbhs.h

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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