ClabureDB: Classified Bug-Reports Database

        spi_message_add_tail(&t[0], &m);

        t[1].tx_buf = buf;
        spi_message_add_tail(&t[1], &m);

        mutex_lock(&flash->lock);

        /* Wait until finished previous write command. */
        if (wait_till_ready(flash)) {
                mutex_unlock(&flash->lock);
                return 1;
        }

        write_enable(flash);

        /* Set up the opcode in the write buffer. */
        flash->command[0] = OPCODE_PP;
        flash->command[1] = to >> 16;
        flash->command[2] = to >> 8;
        flash->command[3] = to;

        /* what page do we start with? */
        page_offset = to % FLASH_PAGESIZE;

        /* do all the bytes fit onto one page? */
        if (page_offset + len <= FLASH_PAGESIZE) {
                t[1].len = len;

                spi_sync(flash->spi, &m);

                *retlen = m.actual_length - CMD_SIZE;
        } else {
                u32 i;

                /* the size of data remaining on the first page */
                page_size = FLASH_PAGESIZE - page_offset;

                t[1].len = page_size;
                spi_sync(flash->spi, &m);

                *retlen = m.actual_length - CMD_SIZE;