linux-kernel - [PATCH v3 31/41] mtd: spi-nor: atmel: sort flash

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230807-mtd-flash-info-db-rework-v3-31-e60548861b10@kernel.org>
Date:   Fri, 08 Sep 2023 12:16:49 +0200
From:   Michael Walle <mwalle@...nel.org>
To:     Tudor Ambarus <tudor.ambarus@...aro.org>,
        Pratyush Yadav <pratyush@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>
Cc:     linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        Michael Walle <mwalle@...nel.org>
Subject: [PATCH v3 31/41] mtd: spi-nor: atmel: sort flash_info database

The flash ID is the new primary key into our database. Sort the entry by
it. Keep the most specific ones first, because there might be ID
collisions between shorter and longer ones.

Signed-off-by: Michael Walle <mwalle@...nel.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 drivers/mtd/spi-nor/atmel.c | 82 ++++++++++++++++++++++-----------------------
 1 file changed, 41 insertions(+), 41 deletions(-)

diff --git a/drivers/mtd/spi-nor/atmel.c b/drivers/mtd/spi-nor/atmel.c
index ccc985c48ae3..18e904962d0e 100644
--- a/drivers/mtd/spi-nor/atmel.c
+++ b/drivers/mtd/spi-nor/atmel.c
@@ -164,20 +164,20 @@ static const struct spi_nor_fixups atmel_nor_global_protection_fixups = {
 
 static const struct flash_info atmel_nor_parts[] = {
 	{
-		.id = SNOR_ID(0x1f, 0x66, 0x01),
-		.name = "at25fs010",
-		.sector_size = SZ_32K,
-		.size = SZ_128K,
-		.flags = SPI_NOR_HAS_LOCK,
+		.id = SNOR_ID(0x1f, 0x04, 0x00),
+		.name = "at26f004",
+		.size = SZ_512K,
 		.no_sfdp_flags = SECT_4K,
-		.fixups = &at25fs_nor_fixups
 	}, {
-		.id = SNOR_ID(0x1f, 0x66, 0x04),
-		.name = "at25fs040",
-		.size = SZ_512K,
-		.flags = SPI_NOR_HAS_LOCK,
+		.id = SNOR_ID(0x1f, 0x25, 0x00),
+		.name = "at45db081d",
+		.size = SZ_1M,
 		.no_sfdp_flags = SECT_4K,
-		.fixups = &at25fs_nor_fixups
+	}, {
+		.id = SNOR_ID(0x1f, 0x42, 0x16),
+		.name = "at25sl321",
+		.size = SZ_4M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 	}, {
 		.id = SNOR_ID(0x1f, 0x44, 0x01),
 		.name = "at25df041a",
@@ -186,62 +186,62 @@ static const struct flash_info atmel_nor_parts[] = {
 		.no_sfdp_flags = SECT_4K,
 		.fixups = &atmel_nor_global_protection_fixups,
 	}, {
-		.id = SNOR_ID(0x1f, 0x47, 0x00),
-		.name = "at25df321",
-		.size = SZ_4M,
+		.id = SNOR_ID(0x1f, 0x45, 0x01),
+		.name = "at26df081a",
+		.size = SZ_1M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE,
 		.no_sfdp_flags = SECT_4K,
 		.fixups = &atmel_nor_global_protection_fixups
 	}, {
-		.id = SNOR_ID(0x1f, 0x47, 0x01),
-		.name = "at25df321a",
-		.size = SZ_4M,
+		.id = SNOR_ID(0x1f, 0x46, 0x01),
+		.name = "at26df161a",
+		.size = SZ_2M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE,
 		.no_sfdp_flags = SECT_4K,
 		.fixups = &atmel_nor_global_protection_fixups
 	}, {
-		.id = SNOR_ID(0x1f, 0x48, 0x00),
-		.name = "at25df641",
-		.size = SZ_8M,
+		.id = SNOR_ID(0x1f, 0x47, 0x00),
+		.name = "at25df321",
+		.size = SZ_4M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE,
 		.no_sfdp_flags = SECT_4K,
 		.fixups = &atmel_nor_global_protection_fixups
 	}, {
-		.id = SNOR_ID(0x1f, 0x42, 0x16),
-		.name = "at25sl321",
+		.id = SNOR_ID(0x1f, 0x47, 0x00),
+		.name = "at26df321",
 		.size = SZ_4M,
-		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
-	}, {
-		.id = SNOR_ID(0x1f, 0x04, 0x00),
-		.name = "at26f004",
-		.size = SZ_512K,
-		.no_sfdp_flags = SECT_4K,
-	}, {
-		.id = SNOR_ID(0x1f, 0x45, 0x01),
-		.name = "at26df081a",
-		.size = SZ_1M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE,
 		.no_sfdp_flags = SECT_4K,
 		.fixups = &atmel_nor_global_protection_fixups
 	}, {
-		.id = SNOR_ID(0x1f, 0x46, 0x01),
-		.name = "at26df161a",
-		.size = SZ_2M,
+		.id = SNOR_ID(0x1f, 0x47, 0x01),
+		.name = "at25df321a",
+		.size = SZ_4M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE,
 		.no_sfdp_flags = SECT_4K,
 		.fixups = &atmel_nor_global_protection_fixups
 	}, {
-		.id = SNOR_ID(0x1f, 0x47, 0x00),
-		.name = "at26df321",
-		.size = SZ_4M,
+		.id = SNOR_ID(0x1f, 0x48, 0x00),
+		.name = "at25df641",
+		.size = SZ_8M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE,
 		.no_sfdp_flags = SECT_4K,
 		.fixups = &atmel_nor_global_protection_fixups
 	}, {
-		.id = SNOR_ID(0x1f, 0x25, 0x00),
-		.name = "at45db081d",
-		.size = SZ_1M,
+		.id = SNOR_ID(0x1f, 0x66, 0x01),
+		.name = "at25fs010",
+		.sector_size = SZ_32K,
+		.size = SZ_128K,
+		.flags = SPI_NOR_HAS_LOCK,
+		.no_sfdp_flags = SECT_4K,
+		.fixups = &at25fs_nor_fixups
+	}, {
+		.id = SNOR_ID(0x1f, 0x66, 0x04),
+		.name = "at25fs040",
+		.size = SZ_512K,
+		.flags = SPI_NOR_HAS_LOCK,
 		.no_sfdp_flags = SECT_4K,
+		.fixups = &at25fs_nor_fixups
 	},
 };
 

-- 
2.39.2