BWI_FWHDR_SZ
((const uint8_t *)mac->mac_ucode->data + BWI_FWHDR_SZ);
fw_len = (mac->mac_ucode->datasize - BWI_FWHDR_SZ) / sizeof(uint32_t);
((const uint8_t *)mac->mac_pcm->data + BWI_FWHDR_SZ);
fw_len = (mac->mac_pcm->datasize - BWI_FWHDR_SZ) / sizeof(uint32_t);