From: Kishon Vijay Abraham I <kishon@ti.com>
Date: Mon, 27 Jul 2015 06:55:32 +0000 (+0530)
Subject: usb: dwc3: ep0: handle non maxpacket aligned transfers > 512
X-Git-Tag: omap-for-v4.3/fixes-merge-window~42^2~35^2~81
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c0bd5456a470223e331a9e9e93b4a7425ecfaabb;p=pandora-kernel.git

usb: dwc3: ep0: handle non maxpacket aligned transfers > 512

Use chained TRB mechanism to handle non maxpacket aligned transfers
greater than bounce buffer size. With this the first TRB will be programmed
to receive 'ALIGN(ur->length - maxp, maxp)' data and the second TRB
will be programmed to receive the remaining data using bounce buffer.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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