+			pr_err("%s: tuning execution failed: %d (this is normal if card removed)\n",
+			       mmc_hostname(host), err);

Hmm, an error message saying "this is normal" doesn't look like a good
option to me. Can't we surpress the message somehow or even avoid tuning
somehow if the card is removed? Sorry, I can't look this up myself right
now, working on another task today.