From: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
Date: Tue, 16 Sep 2014 20:47:26 +0000 (-0700)
Subject: usb: dwc2: clip max_transfer_size to 65535
X-Git-Tag: fixes-for-v3.18-merge-window~16^2~112
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8f8c14d9da7ab1b8a7b0f769cd7148ca2cc7d10;p=pandora-kernel.git

usb: dwc2: clip max_transfer_size to 65535

Clip max_transfer_size to 65535 for host. dwc2_hc_setup_align_buf()
allocates coherent buffers with this size, and if it's too large we
can exhaust the coherent DMA pool.

Tested on Raspberry Pi and Altera SOCFPGA.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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