summaryrefslogtreecommitdiffstats
path: root/drivers/mtd/mtdpart.c
diff options
context:
space:
mode:
authorJeff Westfahl2017-01-10 20:30:17 +0100
committerBrian Norris2017-02-08 22:53:52 +0100
commit6080ef6e7c0a0592cbcca11200d879faf65e27d4 (patch)
tree509d57287040d86a9fe5459bd501ec0cbe6da66f /drivers/mtd/mtdpart.c
parentmtd: fix typos in ooblayout comment blocks (diff)
downloadkernel-qcow2-linux-6080ef6e7c0a0592cbcca11200d879faf65e27d4.tar.gz
kernel-qcow2-linux-6080ef6e7c0a0592cbcca11200d879faf65e27d4.tar.xz
kernel-qcow2-linux-6080ef6e7c0a0592cbcca11200d879faf65e27d4.zip
mtd: introduce function max_bad_blocks
If implemented, 'max_bad_blocks' returns the maximum number of bad blocks to reserve for a MTD. An implementation for NAND is coming soon. Signed-off-by: Jeff Westfahl <jeff.westfahl@ni.com> Signed-off-by: Zach Brown <zach.brown@ni.com> Acked-by: Boris Brezillon <boris.brezillon@free-electron.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/mtdpart.c')
-rw-r--r--drivers/mtd/mtdpart.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index fccdd49bb964..08925bb68fd6 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -349,6 +349,14 @@ static const struct mtd_ooblayout_ops part_ooblayout_ops = {
.free = part_ooblayout_free,
};
+static int part_max_bad_blocks(struct mtd_info *mtd, loff_t ofs, size_t len)
+{
+ struct mtd_part *part = mtd_to_part(mtd);
+
+ return part->master->_max_bad_blocks(part->master,
+ ofs + part->offset, len);
+}
+
static inline void free_partition(struct mtd_part *p)
{
kfree(p->mtd.name);
@@ -475,6 +483,8 @@ static struct mtd_part *allocate_partition(struct mtd_info *master,
slave->mtd._block_isbad = part_block_isbad;
if (master->_block_markbad)
slave->mtd._block_markbad = part_block_markbad;
+ if (master->_max_bad_blocks)
+ slave->mtd._max_bad_blocks = part_max_bad_blocks;
if (master->_get_device)
slave->mtd._get_device = part_get_device;