From: Tony Lindgren <tony@atomide.com>
Date: Wed, 27 Aug 2014 23:28:11 +0000 (-0700)
Subject: usb: phy: twl4030-usb: Use mutex instead of spinlock for protecting the data
X-Git-Tag: fixes-for-v3.18-merge-window~16^2~19^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dcc35b2160f32b8528973e91c25595fc91354e92;p=pandora-kernel.git

usb: phy: twl4030-usb: Use mutex instead of spinlock for protecting the data

We're using threaded irq on a I2C bus and we're sleeping in
twl4030_usb_irq() as it calls twl4030_usb_linkstat() which
calls the i2c functions. If we ever need to lock for longer
I2C transaction sequences a mutex will allow us to do that
easily.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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