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authorLinus Walleij <linus.walleij@linaro.org>2016-02-01 23:02:48 +0100
committerBrian Norris <computersforpeace@gmail.com>2016-02-12 11:09:32 -0800
commit95a001f22b1c5717eafd500a43832249ddd93662 (patch)
tree25972c1da95443f4565e25f4886ed5945669ce4f /include/linux/mtd
parent4110fdd295e1219f4e4c4e35e2eba7b605b74ed7 (diff)
mtd: map: fix .set_vpp() documentation
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 <linux@arm.linux.org.uk> Cc: Paul Parsons <lost.distance@yahoo.com> Fixes: 876fe76d793d ("mtd: maps: physmap: Add reference counter to set_vpp()") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/map.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
index 58f3ba709ade..5e0eb7ccabd4 100644
--- a/include/linux/mtd/map.h
+++ b/include/linux/mtd/map.h
@@ -240,8 +240,11 @@ 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;