The SPI NOR code uses an implicit switch/case fallthrough when checking different vendors to determine how to deal with extended addressig modes.
Add our "fallthrough;" statement-like macro before some label in the 4-byte addressing mode code, to avoid a warning when GCC's -Wimplicit-fallthrough warning option is enabled. Signed-off-by: Andre Przywara <[email protected]> --- drivers/mtd/spi/spi-nor-tiny.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c index 5755c5eed29..23de64a1520 100644 --- a/drivers/mtd/spi/spi-nor-tiny.c +++ b/drivers/mtd/spi/spi-nor-tiny.c @@ -219,6 +219,7 @@ static inline int set_4byte(struct spi_nor *nor, const struct flash_info *info, case SNOR_MFR_MICRON: /* Some Micron need WREN command; all will accept it */ need_wren = true; + fallthrough; case SNOR_MFR_MACRONIX: case SNOR_MFR_WINBOND: if (need_wren) -- 2.25.1

