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bcm53xx: print bcm47xxpart buf to debug R8000 UBI problem

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 47896
This commit is contained in:
Rafał Miłecki 2015-12-16 09:37:16 +00:00
parent 5705d058eb
commit 716905b986
1 changed files with 40 additions and 0 deletions
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40
target/linux/bcm53xx/patches-4.1/902-mtd-bcm47xxpart-print-buffer-used-for-determining-pa.patch Normal file
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@ -0,0 +1,40 @@
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
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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
@@ -67,19 +67,22 @@ static void bcm47xxpart_add_part(struct
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: