lede/target/linux/qualcommax/patches-6.6/0412-mtd-spinand-qpic-only-support-max-4-bytes-ID.patch

From 3d550dc3eb4eaa2fe1d0668ed67e835c91487d61 Mon Sep 17 00:00:00 2001
From: Ziyang Huang <hzyitc@outlook.com>
Date: Sun, 8 Sep 2024 16:40:11 +0800
Subject: [PATCH 2/2] mtd: spinand: qpic only support max 4 bytes ID

The QPIC SPI NAND controller supports a max of 4 bytes of device ID.
As such, set a maximum of 4 bytes.

Signed-off-by: Ziyang Huang <hzyitc@outlook.com>
Signed-off-by: George Moussalem <george.moussalem@outlook.com>
---
 drivers/mtd/nand/spi/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -1087,7 +1087,7 @@ int spinand_match_and_init(struct spinan
 		if (rdid_method != info->devid.method)
 			continue;
 
-		if (memcmp(id + 1, info->devid.id, info->devid.len))
+		if (memcmp(id + 1, info->devid.id, min(3, info->devid.len)))
 			continue;
 
 		nand->memorg = table[i].memorg;