commit 98bc3431bb1fb0cdadcf720941c90b34ecb6ff2a
author Thomas Chou <thomas@wytron.com.tw> Wed Dec 23 21:06:12 2015 +0800
committer Thomas Chou <thomas@wytron.com.tw> Mon Dec 28 09:32:43 2015 +0800
tree 7e759c0e00e5c932acb2cc0506829fe4c32054bc
parent cb3ed47f50407a9051b7f2533d98bb0d26702df1

altera_qspi: set fail_addr for erase ops

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

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 @@
 			/* erase failed, sector might be protected */
 			debug("erase %08x fail %x\n", sect, stat);
 			writel(stat, &regs->isr); /* clear isr */
+			instr->fail_addr = addr;
 			instr->state = MTD_ERASE_FAILED;
 			mtd_erase_callback(instr);
 			return -EIO;