mirror of
https://git.yoctoproject.org/meta-ti
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Koen Kooi
64 lines
2.3 KiB
Diff
64 lines
2.3 KiB
Diff
From 8b0c56b910811acd23c15bed273b3dbd959ef96a Mon Sep 17 00:00:00 2001
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From: Steve Sakoman <steve@sakoman.com>
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Date: Mon, 26 Apr 2010 11:17:26 -0700
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Subject: [PATCH 09/28] MTD: silence ecc errors on mtdblock0
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mtdblock0 is the x-load partition, which uses hw ecc
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this confuses linux, which uses sw ecc
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this patch silences ecc error messages when linux peeks into mtdblock0
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* not for upstream submission *
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---
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block/blk-core.c | 7 ++++---
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drivers/mtd/nand/nand_ecc.c | 2 +-
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fs/buffer.c | 3 ++-
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3 files changed, 7 insertions(+), 5 deletions(-)
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diff --git a/block/blk-core.c b/block/blk-core.c
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index 4ce953f..1ef9a01 100644
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--- a/block/blk-core.c
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+++ b/block/blk-core.c
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@@ -2028,9 +2028,10 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes)
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if (error && req->cmd_type == REQ_TYPE_FS &&
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!(req->cmd_flags & REQ_QUIET)) {
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- printk(KERN_ERR "end_request: I/O error, dev %s, sector %llu\n",
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- req->rq_disk ? req->rq_disk->disk_name : "?",
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- (unsigned long long)blk_rq_pos(req));
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+ if (req->rq_disk && (strcmp(req->rq_disk->disk_name, "mtdblock0") != 0))
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+ printk(KERN_ERR "end_request: I/O error, dev %s, sector %llu\n",
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+ req->rq_disk ? req->rq_disk->disk_name : "?",
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+ (unsigned long long)blk_rq_pos(req));
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}
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blk_account_io_completion(req, nr_bytes);
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diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
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index 271b8e7..5924ba7 100644
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--- a/drivers/mtd/nand/nand_ecc.c
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+++ b/drivers/mtd/nand/nand_ecc.c
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@@ -507,7 +507,7 @@ int __nand_correct_data(unsigned char *buf,
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if ((bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]) == 1)
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return 1; /* error in ecc data; no action needed */
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- printk(KERN_ERR "uncorrectable error : ");
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+// printk(KERN_ERR "uncorrectable error : ");
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return -1;
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}
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EXPORT_SYMBOL(__nand_correct_data);
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diff --git a/fs/buffer.c b/fs/buffer.c
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index 5930e38..06a00d5 100644
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--- a/fs/buffer.c
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+++ b/fs/buffer.c
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@@ -114,7 +114,8 @@ static int quiet_error(struct buffer_head *bh)
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static void buffer_io_error(struct buffer_head *bh)
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{
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char b[BDEVNAME_SIZE];
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- printk(KERN_ERR "Buffer I/O error on device %s, logical block %Lu\n",
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+ if (strcmp(bdevname(bh->b_bdev, b), "mtdblock0") != 0)
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+ printk(KERN_ERR "Buffer I/O error on device %s, logical block %Lu\n",
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bdevname(bh->b_bdev, b),
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(unsigned long long)bh->b_blocknr);
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}
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--
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1.6.6.1
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