From: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Date: Tue, 7 Aug 2012 09:16:20 +0000 (+0530)
Subject: usb: musb: host: Handle highmem in PIO mode
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~73^2~138^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e8a55165469c99af0c24a276d997f9473dc89ab;p=pandora-kernel.git

usb: musb: host: Handle highmem in PIO mode

In case of USB bulk transfer, when himem page
is received, the usb_sg_init function sets the
urb transfer buffer to NULL. When such URB
transfer is handled, kernel crashes in PIO mode.
Handle this by mapping the highmem buffer in PIO mode.

Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Signed-off-by: Praveena NADAHALLY <praveen.nadahally@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

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