+ switch (read_len) {
+ case 4:
+ spi_data |= buf[3] << 24;
-+ /* fall through */
++ fallthrough;
+ case 3:
+ spi_data |= buf[2] << 16;
-+ /* fall through */
++ fallthrough;
+ case 2:
+ spi_data |= buf[1] << 8;
-+ /* fall through */
++ fallthrough;
+ case 1:
+ spi_data |= buf[0] & 0xff;
+ break;