Positive return values of imx_bbu_write_firmware() so far indicate
the last block that has been written to. This value is unused, so
return values > 0 to indicate if there are new bad blocks. This
information can be used in the next step to know if the DBBT has
to be rewritten.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
common/imx-bbu-nand-fcb.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/common/imx-bbu-nand-fcb.c b/common/imx-bbu-nand-fcb.c
index 0c7f75c..3e1f35f 100644
--- a/common/imx-bbu-nand-fcb.c
+++ b/common/imx-bbu-nand-fcb.c
@@ -400,7 +400,7 @@ static int imx_bbu_firmware_start_block(struct mtd_info *mtd, int num)
static int imx_bbu_write_firmware(struct mtd_info *mtd, unsigned num, void *buf,
size_t len)
{
- int ret, i;
+ int ret, i, newbadblock = 0;
int num_blocks = imx_bbu_firmware_max_blocks(mtd);
int block = imx_bbu_firmware_start_block(mtd, num);
@@ -437,6 +437,7 @@ static int imx_bbu_write_firmware(struct mtd_info *mtd, unsigned num, void *buf,
if (ret == -EIO) {
block++;
num_blocks--;
+ newbadblock = 1;
continue;
}
@@ -449,7 +450,7 @@ static int imx_bbu_write_firmware(struct mtd_info *mtd, unsigned num, void *buf,
num_blocks--;
}
- return block;
+ return newbadblock;
}
static void *dbbt_data_create(struct mtd_info *mtd)
--
2.7.0
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