linux-kernel - [PATCH v3 32/41] mtd: spi-nor: eon: sort flash

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Message-Id: <20230807-mtd-flash-info-db-rework-v3-32-e60548861b10@kernel.org>
Date:   Fri, 08 Sep 2023 12:16:50 +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 32/41] mtd: spi-nor: eon: 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>
---
 drivers/mtd/spi-nor/eon.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/mtd/spi-nor/eon.c b/drivers/mtd/spi-nor/eon.c
index ba09cb6c2abd..c1ddf662f782 100644
--- a/drivers/mtd/spi-nor/eon.c
+++ b/drivers/mtd/spi-nor/eon.c
@@ -10,32 +10,37 @@
 
 static const struct flash_info eon_nor_parts[] = {
 	{
-		.id = SNOR_ID(0x1c, 0x31, 0x16),
-		.name = "en25f32",
-		.size = SZ_4M,
-		.no_sfdp_flags = SECT_4K,
-	}, {
 		.id = SNOR_ID(0x1c, 0x20, 0x16),
 		.name = "en25p32",
 		.size = SZ_4M,
-	}, {
-		.id = SNOR_ID(0x1c, 0x30, 0x16),
-		.name = "en25q32b",
-		.size = SZ_4M,
 	}, {
 		.id = SNOR_ID(0x1c, 0x20, 0x17),
 		.name = "en25p64",
 		.size = SZ_8M,
+	}, {
+		.id = SNOR_ID(0x1c, 0x30, 0x14),
+		.name = "en25q80a",
+		.size = SZ_1M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
+	}, {
+		.id = SNOR_ID(0x1c, 0x30, 0x16),
+		.name = "en25q32b",
+		.size = SZ_4M,
 	}, {
 		.id = SNOR_ID(0x1c, 0x30, 0x17),
 		.name = "en25q64",
 		.size = SZ_8M,
 		.no_sfdp_flags = SECT_4K,
 	}, {
-		.id = SNOR_ID(0x1c, 0x30, 0x14),
-		.name = "en25q80a",
-		.size = SZ_1M,
-		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
+		.id = SNOR_ID(0x1c, 0x31, 0x16),
+		.name = "en25f32",
+		.size = SZ_4M,
+		.no_sfdp_flags = SECT_4K,
+	}, {
+		.name = "en25s64",
+		.id = SNOR_ID(0x1c, 0x38, 0x17),
+		.size = SZ_8M,
+		.no_sfdp_flags = SECT_4K,
 	}, {
 		.id = SNOR_ID(0x1c, 0x70, 0x15),
 		.name = "en25qh16",
@@ -57,11 +62,6 @@ static const struct flash_info eon_nor_parts[] = {
 	}, {
 		.id = SNOR_ID(0x1c, 0x70, 0x19),
 		.name = "en25qh256",
-	}, {
-		.name = "en25s64",
-		.id = SNOR_ID(0x1c, 0x38, 0x17),
-		.size = SZ_8M,
-		.no_sfdp_flags = SECT_4K,
 	},
 };
 

-- 
2.39.2