tree b4fc0baca7eb80ad007fc6f437c85894d8854e1f
parent 00e625df3ef6c3ce94ed6fc46565b41f55e379f8
author Thierry Escande <thierry.escande@linux.intel.com> 1399719962 +0200
committer Samuel Ortiz <sameo@linux.intel.com> 1401057722 +0200

NFC: digital: Randomize poll cycles

This change adds some entropy to polling cycles, choosing the next
polling rf technology randomly. This reflects the change done in the
pn533 driver, avoiding possible infinite loop for devices that export 2
targets on 2 different modulations. If the first target is not
readable, we will stay in an error loop for ever.

Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>