openwrt-archive/target/linux/bcm53xx/patches-4.1/902-mtd-bcm47xxpart-print-buffer-used-for-determining-pa.patch

From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Wed, 16 Dec 2015 10:16:14 +0100
Subject: [PATCH] mtd: bcm47xxpart: print buffer used for determining part name
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
 drivers/mtd/bcm47xxpart.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -94,19 +94,22 @@ static size_t bcm47xxpart_real_offset(st
 static const char *bcm47xxpart_trx_data_part_name(struct mtd_info *master,
 						  size_t offset)
 {
-	uint32_t buf;
+	uint32_t buf[8];
 	size_t bytes_read;
 	int err;
 
 	err  = mtd_read(master, offset, sizeof(buf), &bytes_read,
-			(uint8_t *)&buf);
+			(uint8_t *)buf);
 	if (err && !mtd_is_bitflip(err)) {
 		pr_err("mtd_read error while parsing (offset: 0x%X): %d\n",
 			offset, err);
 		goto out_default;
 	}
 
-	if (buf == UBI_EC_MAGIC)
+	pr_info("%012zx: %08x %08x %08x %08x\n", offset + 0x00, buf[0], buf[1], buf[2], buf[3]);
+	pr_info("%012zx: %08x %08x %08x %08x\n", offset + 0x10, buf[4], buf[5], buf[6], buf[7]);
+
+	if (buf[0] == UBI_EC_MAGIC)
 		return "ubi";
 
 out_default: