linux-kernel - [PATCH v2 33/41] mtd: spi-nor: gigadevice: sort flash

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Message-Id: <20230807-mtd-flash-info-db-rework-v2-33-291a0f39f8d8@kernel.org>
Date:   Tue, 22 Aug 2023 09:09:49 +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 v2 33/41] mtd: spi-nor: gigadevice: 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/gigadevice.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/mtd/spi-nor/gigadevice.c b/drivers/mtd/spi-nor/gigadevice.c
index 0d22cd99715b..ef1edd0add70 100644
--- a/drivers/mtd/spi-nor/gigadevice.c
+++ b/drivers/mtd/spi-nor/gigadevice.c
@@ -46,30 +46,12 @@ static const struct flash_info gigadevice_nor_parts[] = {
 		.size = SZ_4M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
 		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
-	}, {
-		.id = SNOR_ID(0xc8, 0x60, 0x16),
-		.name = "gd25lq32",
-		.size = SZ_4M,
-		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
-		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 	}, {
 		.id = SNOR_ID(0xc8, 0x40, 0x17),
 		.name = "gd25q64",
 		.size = SZ_8M,
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
 		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
-	}, {
-		.id = SNOR_ID(0xc8, 0x60, 0x17),
-		.name = "gd25lq64c",
-		.size = SZ_8M,
-		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
-		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
-	}, {
-		.id = SNOR_ID(0xc8, 0x60, 0x18),
-		.name = "gd25lq128d",
-		.size = SZ_16M,
-		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
-		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 	}, {
 		.id = SNOR_ID(0xc8, 0x40, 0x18),
 		.name = "gd25q128",
@@ -82,6 +64,24 @@ static const struct flash_info gigadevice_nor_parts[] = {
 		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6,
 		.fixups = &gd25q256_fixups,
 		.fixup_flags = SPI_NOR_4B_OPCODES,
+	}, {
+		.id = SNOR_ID(0xc8, 0x60, 0x16),
+		.name = "gd25lq32",
+		.size = SZ_4M,
+		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0xc8, 0x60, 0x17),
+		.name = "gd25lq64c",
+		.size = SZ_8M,
+		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0xc8, 0x60, 0x18),
+		.name = "gd25lq128d",
+		.size = SZ_16M,
+		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 	},
 };
 

-- 
2.39.2