spear_smi_wait_till_ready
ret = spear_smi_wait_till_ready(dev, bank, SMI_MAX_TIME_OUT);
ret = spear_smi_wait_till_ready(dev, flash->bank, SMI_MAX_TIME_OUT);
ret = spear_smi_wait_till_ready(dev, bank, SMI_MAX_TIME_OUT);
ret = spear_smi_wait_till_ready(dev, bank, SMI_PROBE_TIMEOUT);