[MTD] [OneNAND] Synchronize block locking operations
Ensure OneNAND's block locking operations are synchronized
like all other operations.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index b2c40f6..f633941 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1904,7 +1904,12 @@
*/
static int onenand_lock(struct mtd_info *mtd, loff_t ofs, size_t len)
{
- return onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_LOCK);
+ int ret;
+
+ onenand_get_device(mtd, FL_LOCKING);
+ ret = onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_LOCK);
+ onenand_release_device(mtd);
+ return ret;
}
/**
@@ -1917,7 +1922,12 @@
*/
static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
{
- return onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_UNLOCK);
+ int ret;
+
+ onenand_get_device(mtd, FL_LOCKING);
+ ret = onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_UNLOCK);
+ onenand_release_device(mtd);
+ return ret;
}
/**
@@ -1979,7 +1989,7 @@
loff_t ofs = this->chipsize >> 1;
size_t len = mtd->erasesize;
- onenand_unlock(mtd, ofs, len);
+ onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_UNLOCK);
}
onenand_check_lock_status(this);
@@ -1987,7 +1997,7 @@
return 0;
}
- onenand_unlock(mtd, 0x0, this->chipsize);
+ onenand_do_lock_cmd(mtd, 0x0, this->chipsize, ONENAND_CMD_UNLOCK);
return 0;
}