From: Ajay Kumar Gupta <ajay.gupta@ti.com>
Date: Thu, 21 Jun 2012 11:48:12 +0000 (+0530)
Subject: usb: musb: host: release dma channels if no active io
X-Git-Tag: v3.5-rc5~18^2~4^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c778db9f01a1b6c785890b5fd83c7addfd3eb3a;p=pandora-kernel.git

usb: musb: host: release dma channels if no active io

Currently DMA channels are allocated and they remain allocated
even if there is no active data transfer. Added channel_release()
whenever there is no pending request.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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