target/linux/ath79/patches-5.10/0052-mtd-spi-nor-add-block-protection-flags-to-macronix.patch


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From 158f9796335b393980afb8e9796eb8d44106652a Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Mon, 26 Oct 2020 15:10:47 +0100
Subject: [PATCH 1/2] mtd: spi-nor: add block protection flags to macronix

Macronix flash chips support block protection by using BP bits in the
read status register. Add the corresponding flag to indicate block
protection support.

Otherwise, locked blocks are not unlocked when requested.

Signed-off-by: David Bauer <mail@david-bauer.net>
---
 drivers/mtd/spi-nor/macronix.c | 1 +
 1 file changed, 1 insertion(+)

--- a/drivers/mtd/spi-nor/macronix.c
+++ b/drivers/mtd/spi-nor/macronix.c
@@ -94,6 +94,7 @@ static const struct flash_info macronix_
 
 static void macronix_default_init(struct spi_nor *nor)
 {
+	nor->flags |= SNOR_F_HAS_LOCK;
 	nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
 	nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode;
 	nor->flags |= SNOR_F_HAS_LOCK;