PM QoS: Correct pr_debug() misuse and improve parameter checks

Correct some pr_debug() misuse and add a stronger parameter check to
pm_qos_write() for the ASCII hex value case.  Thanks to Dan Carpenter
for pointing out the problem!

Signed-off-by: mark gross <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
1 file changed