bcm53xx: print bcm47xxpart buf to debug R8000 UBI problem
authorRafał Miłecki <zajec5@gmail.com>
Wed, 16 Dec 2015 09:37:16 +0000 (09:37 +0000)
committerRafał Miłecki <zajec5@gmail.com>
Wed, 16 Dec 2015 09:37:16 +0000 (09:37 +0000)
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
SVN-Revision: 47896

target/linux/bcm53xx/patches-4.1/902-mtd-bcm47xxpart-print-buffer-used-for-determining-pa.patch [new file with mode: 0644]

diff --git a/target/linux/bcm53xx/patches-4.1/902-mtd-bcm47xxpart-print-buffer-used-for-determining-pa.patch b/target/linux/bcm53xx/patches-4.1/902-mtd-bcm47xxpart-print-buffer-used-for-determining-pa.patch
new file mode 100644 (file)
index 0000000..2731c6d
--- /dev/null
@@ -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: