[PATCH] mtd: spi-nor: add explicit fallthrough

[Jules Maselbas]

Add the fallthrough pseudo keyword: the case sets `need_wren = true;`
which is used (only read and never written) in the case below.

Signed-off-by: Jules Maselbas <jmaselbas at zdiv.net>
---
 drivers/mtd/spi-nor/spi-nor.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index b9b2c7f6e5..6fcb8f38fa 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -316,6 +316,7 @@ static inline int set_4byte(struct spi_nor *nor, struct flash_info *info,
 	case CFI_MFR_ST: /* Micron, actually */
 		/* Some Micron need WREN command; all will accept it */
 		need_wren = true;
+		fallthrough;
 	case CFI_MFR_MACRONIX:
 	case 0xEF /* winbond */:
 		if (need_wren)
-- 
2.48.1