printk replaced with corresponding dev_err and dev_info
fixed one broken user-visible string
multiine comment edited for correct commenting style
asm/uaccess.h replaced with linux/uaccess.h
PREFIX removed
Signed-off-by: NSudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>