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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>
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Subject: Disable software protection bits for Macronix flashes.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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drivers/mtd/spi-nor/spi-nor.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/mtd/spi-nor/spi-nor.c
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+++ b/drivers/mtd/spi-nor/spi-nor.c
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@@ -2737,6 +2737,7 @@ static int spi_nor_init(struct spi_nor *
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*/
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if (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL ||
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JEDEC_MFR(nor->info) == SNOR_MFR_INTEL ||
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+ JEDEC_MFR(nor->info) == SNOR_MFR_MACRONIX ||
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JEDEC_MFR(nor->info) == SNOR_MFR_SST ||
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nor->info->flags & SPI_NOR_HAS_LOCK) {
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write_enable(nor);
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