pn544_i2c_fw_secure_frame
struct pn544_i2c_fw_secure_frame *chunk;
chunk = (struct pn544_i2c_fw_secure_frame *) buf;
struct pn544_i2c_fw_secure_frame *framep;
framep = (struct pn544_i2c_fw_secure_frame *) phy->fw_blob_data;