3ef988caf3
This patch backports the upstream patch that adds the 4B_OPCODES flag to w25q256 under 4.19 kernel. This is needed for ipq40xx and ramips. Signed-off-by: Robert Marko <robimarko@gmail.com>
19 lines
619 B
Diff
19 lines
619 B
Diff
From: Felix Fietkau <nbd@nbd.name>
|
|
Subject: Disable software protection bits for Macronix flashes.
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
|
---
|
|
drivers/mtd/spi-nor/spi-nor.c | 1 +
|
|
1 file changed, 1 insertion(+)
|
|
|
|
--- a/drivers/mtd/spi-nor/spi-nor.c
|
|
+++ b/drivers/mtd/spi-nor/spi-nor.c
|
|
@@ -2737,6 +2737,7 @@ static int spi_nor_init(struct spi_nor *
|
|
*/
|
|
if (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL ||
|
|
JEDEC_MFR(nor->info) == SNOR_MFR_INTEL ||
|
|
+ JEDEC_MFR(nor->info) == SNOR_MFR_MACRONIX ||
|
|
JEDEC_MFR(nor->info) == SNOR_MFR_SST ||
|
|
nor->info->flags & SPI_NOR_HAS_LOCK) {
|
|
write_enable(nor);
|