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-rw-r--r--drivers/mtd/spi/spi-nor-core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 7f1ed1bb36..94dfa97110 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -662,6 +662,9 @@ static int set_4byte(struct spi_nor *nor, const struct flash_info *info,
}
return status;
+ case SNOR_MFR_CYPRESS:
+ cmd = enable ? SPINOR_OP_EN4B : SPINOR_OP_EX4B_CYPRESS;
+ return nor->write_reg(nor, cmd, NULL, 0);
default:
/* Spansion style */
nor->cmd_buf[0] = enable << 7;