[PATCH] mtd: map: fix .set_vpp() documentation
From: Linus Walleij <hidden>
Date: 2016-02-01 22:02:48
Subsystem:
memory technology devices (mtd), the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
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 <redacted>
Cc: Paul Parsons <redacted>
Fixes: 876fe76d793d ("mtd: maps: physmap: Add reference counter to set_vpp()")
Signed-off-by: Linus Walleij <redacted>
---
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 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;
--
2.4.3