linux-kernel - [PATCH 34/41] mtd: spi-nor: issi: sort flash

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Date:   Mon, 07 Aug 2023 15:21:28 +0200
From:   Michael Walle <mwalle@...nel.org>
To:     Tudor Ambarus <tudor.ambarus@...aro.org>,
        Pratyush Yadav <pratyush@...nel.org>,
        Michael Walle <michael@...le.cc>,
        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 34/41] mtd: spi-nor: issi: 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/issi.c | 44 ++++++++++++++++++++++----------------------
 1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/drivers/mtd/spi-nor/issi.c b/drivers/mtd/spi-nor/issi.c
index 9478f1e61626..18d9a00aa22e 100644
--- a/drivers/mtd/spi-nor/issi.c
+++ b/drivers/mtd/spi-nor/issi.c
@@ -48,26 +48,43 @@ static const struct spi_nor_fixups pm25lv_nor_fixups = {
 
 static const struct flash_info issi_nor_parts[] = {
 	{
+		.name = "pm25lv512",
+		.sector_size = SZ_32K,
+		.size = SZ_64K,
+		.no_sfdp_flags = SECT_4K,
+		.fixups = &pm25lv_nor_fixups
+	}, {
+		.name = "pm25lv010",
+		.sector_size = SZ_32K,
+		.size = SZ_128K,
+		.no_sfdp_flags = SECT_4K,
+		.fixups = &pm25lv_nor_fixups
+	}, {
 		.id = SNOR_ID(0x7f, 0x9d, 0x20),
 		.name = "is25cd512",
 		.sector_size = SZ_32K,
 		.size = SZ_64K,
 		.no_sfdp_flags = SECT_4K,
+	}, {
+		.id = SNOR_ID(0x7f, 0x9d, 0x46),
+		.name = "pm25lq032",
+		.size = SZ_4M,
+		.no_sfdp_flags = SECT_4K,
 	}, {
 		.id = SNOR_ID(0x9d, 0x40, 0x13),
 		.name = "is25lq040b",
 		.size = SZ_512K,
 		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
-	}, {
-		.id = SNOR_ID(0x9d, 0x60, 0x15),
-		.name = "is25lp016d",
-		.size = SZ_2M,
-		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 	}, {
 		.id = SNOR_ID(0x9d, 0x60, 0x14),
 		.name = "is25lp080d",
 		.size = SZ_1M,
 		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+	}, {
+		.id = SNOR_ID(0x9d, 0x60, 0x15),
+		.name = "is25lp016d",
+		.size = SZ_2M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 	}, {
 		.id = SNOR_ID(0x9d, 0x60, 0x16),
 		.name = "is25lp032",
@@ -109,23 +126,6 @@ static const struct flash_info issi_nor_parts[] = {
 		.flags = SPI_NOR_QUAD_PP,
 		.fixups = &is25lp256_fixups,
 		.fixup_flags = SPI_NOR_4B_OPCODES,
-	}, {
-		.name = "pm25lv512",
-		.sector_size = SZ_32K,
-		.size = SZ_64K,
-		.no_sfdp_flags = SECT_4K,
-		.fixups = &pm25lv_nor_fixups
-	}, {
-		.name = "pm25lv010",
-		.sector_size = SZ_32K,
-		.size = SZ_128K,
-		.no_sfdp_flags = SECT_4K,
-		.fixups = &pm25lv_nor_fixups
-	}, {
-		.id = SNOR_ID(0x7f, 0x9d, 0x46),
-		.name = "pm25lq032",
-		.size = SZ_4M,
-		.no_sfdp_flags = SECT_4K,
 	}
 };
 

-- 
2.39.2