1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
From 97598678602aaea473303523ce37a45d258206ca Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Date: Thu, 7 Nov 2013 12:17:13 -0300
Subject: [PATCH 134/203] mtd: nand: pxa3xx: read_page() returns max_bitflips
As per the ecc.read_page() prototype, we must return the maximum number
of bitflips that were corrected on any one region covering an ecc step.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
drivers/mtd/nand/pxa3xx_nand.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -751,6 +751,7 @@ static int pxa3xx_nand_read_page_hwecc(s
{
struct pxa3xx_nand_host *host = mtd->priv;
struct pxa3xx_nand_info *info = host->info_data;
+ int max_bitflips = 0;
chip->read_buf(mtd, buf, mtd->writesize);
chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
@@ -758,6 +759,7 @@ static int pxa3xx_nand_read_page_hwecc(s
if (info->retcode == ERR_SBERR) {
switch (info->use_ecc) {
case 1:
+ max_bitflips = 1;
mtd->ecc_stats.corrected++;
break;
case 0:
@@ -776,7 +778,7 @@ static int pxa3xx_nand_read_page_hwecc(s
mtd->ecc_stats.failed++;
}
- return 0;
+ return max_bitflips;
}
static uint8_t pxa3xx_nand_read_byte(struct mtd_info *mtd)
|
