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authorRichard Weinberger <richard@nod.at>2016-09-21 12:43:56 +0300
committerBrian Norris <computersforpeace@gmail.com>2016-09-28 23:00:45 +0300
commit5e149073ba427f99c5e751e558670d034a278f77 (patch)
treed771a8c58a62f21ef378106b4cff4580a2e6f31b /drivers
parentf6d7c1b5598b6407c3f1da795dd54acf99c1990c (diff)
downloadlinux-5e149073ba427f99c5e751e558670d034a278f77.tar.xz
mtdpart: Propagate _get/put_device()
If the master device has callbacks for _get/put_device() and this MTD has slaves a get_mtd_device() call on paritions will never issue the registered callbacks. Fix this by propagating _get/put_device() down. Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/mtdpart.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 1f13e32556f8..ec852fa9200f 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -317,6 +317,18 @@ static int part_block_markbad(struct mtd_info *mtd, loff_t ofs)
return res;
}
+static int part_get_device(struct mtd_info *mtd)
+{
+ struct mtd_part *part = mtd_to_part(mtd);
+ return part->master->_get_device(part->master);
+}
+
+static void part_put_device(struct mtd_info *mtd)
+{
+ struct mtd_part *part = mtd_to_part(mtd);
+ part->master->_put_device(part->master);
+}
+
static int part_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *oobregion)
{
@@ -463,6 +475,12 @@ 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->_get_device)
+ slave->mtd._get_device = part_get_device;
+ if (master->_put_device)
+ slave->mtd._put_device = part_put_device;
+
slave->mtd._erase = part_erase;
slave->master = master;
slave->offset = part->offset;