415     unsigned int tries_left;

   421     unsigned int timeout_tries_left, response_tries_left;

   416 

   422     unsigned int tries;

   417     if (unlikely(ec_frame_send(frame) < 0)) {

   423 

   418         EC_ERR("Frame sending failed!\n");

   424     tries = 0;

   419         return -1;

   425     response_tries_left = 10;

   420     }

   421 

   422     tries_left = 20;

   425         udelay(1);

   428         tries++;

   426         ec_device_call_isr(&frame->master->device);

   429         if (unlikely(ec_frame_send(frame) < 0)) {

   427         tries_left--;

   430             EC_ERR("Frame sending failed!\n");

   428     }

   431             return -1;

   429     while (unlikely(!ec_device_received(&frame->master->device)

   432         }

   430                     && tries_left));

   433 

   431 

   434         timeout_tries_left = 20;

   432     if (unlikely(!tries_left)) {

   435         do

   433         EC_ERR("Frame timeout!\n");

   436         {

   434         return -1;

   437             udelay(1);

   435     }

   438             ec_device_call_isr(&frame->master->device);

   436 

   439             timeout_tries_left--;

   437     if (unlikely(ec_frame_receive(frame) < 0)) {

   440         }

   438         EC_ERR("Frame receiving failed!\n");

   441         while (unlikely(!ec_device_received(&frame->master->device)

   439         return -1;

   442                         && timeout_tries_left));

   440     }

   443 

   444         if (unlikely(!timeout_tries_left)) {

   445             EC_ERR("Frame timeout!\n");

   446             return -1;

   447         }

   448 

   449         if (unlikely(ec_frame_receive(frame) < 0)) {

   450             EC_ERR("Frame receiving failed!\n");

   451             return -1;

   452         }

   453 

   454         response_tries_left--;

   455     }

   456     while (unlikely(!frame->working_counter && response_tries_left));

   457 

   458     if (unlikely(!response_tries_left)) {

   459         EC_ERR("No response!");

   460         return -1;

   461     }

   462 

   463     if (tries > 1) EC_WARN("%i tries necessary...\n", tries);