Add sysfs vibrator intensity controls

Patch Set 2
    Removed unused variable

Patch Set 3
    Use pwm_old variable

Patch Set 4
    Add authorship

Change-Id: Ibcb887fe2c78cfd5740f363d33d1ed997c98b9c6
Variable GPU OC: sysfs interface to cycle through different top gpu speeds

- /sys/devices/system/cpu/cpu0/cpufreq/gpu_oc
- for now: 0 = 307mhz, 1 = 384mhz, 2 = 512mhz
- changes take effect immediately of course.

Change-Id: I79f927faf3097b73616fd6bad0d633635903c6b3

Conflicts:
	arch/arm/mach-omap2/opp4xxx_data.c
Asynchronous I/O latency to a solid-state disk greatly increased
between the 2.6.32 and 3.0 kernels. By removing the plug from
do_io_submit(), we observed a 34% improvement in the I/O latency.

Unfortunately, at this level, we don't know if the request is to
a rotating disk or not.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: linux-aio@kvack.org
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jeff Moyer <jmoyer@redhat.com>