[openwrt/openwrt] bmips: drop macronix nand block protection patch

LEDE Commits lede-commits at lists.infradead.org
Sat Dec 28 03:23:47 PST 2024


noltari pushed a commit to openwrt/openwrt.git, branch openwrt-24.10:
https://git.openwrt.org/3ca3ee60122d804f05e6bb7e05842fa960be9cf0

commit 3ca3ee60122d804f05e6bb7e05842fa960be9cf0
Author: Álvaro Fernández Rojas <noltari at gmail.com>
AuthorDate: Sat Dec 28 12:18:02 2024 +0100

    bmips: drop macronix nand block protection patch
    
    MX30LFxG18AC OTP area access has been fixed upstream:
    https://github.com/torvalds/linux/commit/e87161321a4081d36c4af95af7f0950137569dfe
    
    Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
    (cherry picked from commit 15b21c474ea1c3f3a15bd06a4783b0a019627984)
---
 ...210-revert-macronix-nand-block-protection.patch | 114 ---------------------
 1 file changed, 114 deletions(-)

diff --git a/target/linux/bmips/patches-6.6/210-revert-macronix-nand-block-protection.patch b/target/linux/bmips/patches-6.6/210-revert-macronix-nand-block-protection.patch
deleted file mode 100644
index 2298c8ea31..0000000000
--- a/target/linux/bmips/patches-6.6/210-revert-macronix-nand-block-protection.patch
+++ /dev/null
@@ -1,114 +0,0 @@
-From 5a37811de679bff03e9c5a746f75574910ede964 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari at gmail.com>
-Date: Wed, 22 Mar 2023 20:52:13 +0100
-Subject: [PATCH] Revert "mtd: rawnand: Macronix: Add support for block
- protection"
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This reverts commit 03a539c7a118427a6609a26461358c56ac8f3a06.
-
-Macronix block protection doesn't seem to be supported on Sercomm H-500s
-devices since it hangs the device.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
----
- drivers/mtd/nand/raw/nand_macronix.c | 72 ----------------------------
- 1 file changed, 72 deletions(-)
-
---- a/drivers/mtd/nand/raw/nand_macronix.c
-+++ b/drivers/mtd/nand/raw/nand_macronix.c
-@@ -13,10 +13,6 @@
- #define MACRONIX_READ_RETRY_BIT BIT(0)
- #define MACRONIX_NUM_READ_RETRY_MODES 6
- 
--#define ONFI_FEATURE_ADDR_MXIC_PROTECTION 0xA0
--#define MXIC_BLOCK_PROTECTION_ALL_LOCK 0x38
--#define MXIC_BLOCK_PROTECTION_ALL_UNLOCK 0x0
--
- #define ONFI_FEATURE_ADDR_MXIC_RANDOMIZER 0xB0
- #define MACRONIX_RANDOMIZER_BIT BIT(1)
- #define MACRONIX_RANDOMIZER_ENPGM BIT(0)
-@@ -189,73 +185,6 @@ static void macronix_nand_fix_broken_get
- 		     ONFI_FEATURE_ADDR_TIMING_MODE, 1);
- }
- 
--/*
-- * Macronix NAND supports Block Protection by Protectoin(PT) pin;
-- * active high at power-on which protects the entire chip even the #WP is
-- * disabled. Lock/unlock protection area can be partition according to
-- * protection bits, i.e. upper 1/2 locked, upper 1/4 locked and so on.
-- */
--static int mxic_nand_lock(struct nand_chip *chip, loff_t ofs, uint64_t len)
--{
--	u8 feature[ONFI_SUBFEATURE_PARAM_LEN];
--	int ret;
--
--	feature[0] = MXIC_BLOCK_PROTECTION_ALL_LOCK;
--	nand_select_target(chip, 0);
--	ret = nand_set_features(chip, ONFI_FEATURE_ADDR_MXIC_PROTECTION,
--				feature);
--	nand_deselect_target(chip);
--	if (ret)
--		pr_err("%s all blocks failed\n", __func__);
--
--	return ret;
--}
--
--static int mxic_nand_unlock(struct nand_chip *chip, loff_t ofs, uint64_t len)
--{
--	u8 feature[ONFI_SUBFEATURE_PARAM_LEN];
--	int ret;
--
--	feature[0] = MXIC_BLOCK_PROTECTION_ALL_UNLOCK;
--	nand_select_target(chip, 0);
--	ret = nand_set_features(chip, ONFI_FEATURE_ADDR_MXIC_PROTECTION,
--				feature);
--	nand_deselect_target(chip);
--	if (ret)
--		pr_err("%s all blocks failed\n", __func__);
--
--	return ret;
--}
--
--static void macronix_nand_block_protection_support(struct nand_chip *chip)
--{
--	u8 feature[ONFI_SUBFEATURE_PARAM_LEN];
--	int ret;
--
--	bitmap_set(chip->parameters.get_feature_list,
--		   ONFI_FEATURE_ADDR_MXIC_PROTECTION, 1);
--
--	feature[0] = MXIC_BLOCK_PROTECTION_ALL_UNLOCK;
--	nand_select_target(chip, 0);
--	ret = nand_get_features(chip, ONFI_FEATURE_ADDR_MXIC_PROTECTION,
--				feature);
--	nand_deselect_target(chip);
--	if (ret || feature[0] != MXIC_BLOCK_PROTECTION_ALL_LOCK) {
--		if (ret)
--			pr_err("Block protection check failed\n");
--
--		bitmap_clear(chip->parameters.get_feature_list,
--			     ONFI_FEATURE_ADDR_MXIC_PROTECTION, 1);
--		return;
--	}
--
--	bitmap_set(chip->parameters.set_feature_list,
--		   ONFI_FEATURE_ADDR_MXIC_PROTECTION, 1);
--
--	chip->ops.lock_area = mxic_nand_lock;
--	chip->ops.unlock_area = mxic_nand_unlock;
--}
--
- static int nand_power_down_op(struct nand_chip *chip)
- {
- 	int ret;
-@@ -488,7 +417,6 @@ static int macronix_nand_init(struct nan
- 
- 	macronix_nand_fix_broken_get_timings(chip);
- 	macronix_nand_onfi_init(chip);
--	macronix_nand_block_protection_support(chip);
- 	macronix_nand_deep_power_down_support(chip);
- 	macronix_nand_setup_otp(chip);
- 




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