HASH_DIN
stm32_hash_write(hdev, HASH_DIN, *(u32 *)key);
stm32_hash_write(hdev, HASH_DIN, buffer[count]);
dma_conf.dst_addr = hdev->phys_base + HASH_DIN;
stm32_hash_write(hdev, HASH_DIN, last_word);
writesl(hdev->io_base + HASH_DIN, buffer,