4.2.8-ckt7 -stable review patch.  If anyone has any objections, please let me 
know.

---8<------------------------------------------------------------

From: Linus Walleij <[email protected]>

commit 95a001f22b1c5717eafd500a43832249ddd93662 upstream.

As of commit 876fe76d793d03077eb61ba3afab4a383f46c554
"mtd: maps: physmap: Add reference counter to set_vpp()"
the comment in the header file is incorrect and misleading.
Fix it up.

Cc: Russell King <[email protected]>
Cc: Paul Parsons <[email protected]>
Fixes: 876fe76d793d ("mtd: maps: physmap: Add reference counter to set_vpp()")
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Brian Norris <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 include/linux/mtd/map.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
index 29975c7..d013559 100644
--- a/include/linux/mtd/map.h
+++ b/include/linux/mtd/map.h
@@ -238,8 +238,11 @@ struct map_info {
           If there is no cache to care about this can be set to NULL. */
        void (*inval_cache)(struct map_info *, unsigned long, ssize_t);
 
-       /* set_vpp() must handle being reentered -- enable, enable, disable
-          must leave it enabled. */
+       /* This will be called with 1 as parameter when the first map user
+        * needs VPP, and called with 0 when the last user exits. The map
+        * core maintains a reference counter, and assumes that VPP is a
+        * global resource applying to all mapped flash chips on the system.
+        */
        void (*set_vpp)(struct map_info *, int);
 
        unsigned long pfow_base;
-- 
2.7.4

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