If the erase fails, fail_addr might indicate exactly which block failed. If fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not specific to any particular block.
Signed-off-by: Thomas Chou thomas@wytron.com.tw --- drivers/mtd/altera_qspi.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/mtd/altera_qspi.c b/drivers/mtd/altera_qspi.c index 627a8cc..b0d4f2c 100644 --- a/drivers/mtd/altera_qspi.c +++ b/drivers/mtd/altera_qspi.c @@ -145,6 +145,7 @@ static int altera_qspi_erase(struct mtd_info *mtd, struct erase_info *instr) /* erase failed, sector might be protected */ debug("erase %08x fail %x\n", sect, stat); writel(stat, ®s->isr); /* clear isr */ + instr->fail_addr = addr; instr->state = MTD_ERASE_FAILED; mtd_erase_callback(instr); return -EIO;