Implement driver check for card detection. Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il> Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Based on previous work by: Alistair Buxton <a.j.buxton@gmail.com> Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Cc: Ивайло Димитров <freemangordon@abv.bg>