usb: renesas_usbhs: modify fifo clear timing
authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Thu, 21 Apr 2011 05:09:58 +0000 (14:09 +0900)
committerGreg Kroah-Hartman <gregkh@suse.de>
Sat, 30 Apr 2011 00:24:31 +0000 (17:24 -0700)
Pipe buffer should be cleaned before using it,
but should NOT be cleaned in pipe "prepare" function.
Because the pipe might be working in such timing.
This patch fixup this issue.

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

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