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| author | Linus Walleij <linus.walleij@linaro.org> | 2016-02-01 23:02:48 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2016-05-01 00:05:47 +0200 |
| commit | 4a670ea77b0e31b2f5505443d37a6904981cd470 (patch) | |
| tree | c6009e0e25bbbb96a1fc5841585ef58bc5a4f633 /include | |
| parent | 5e202b51a86c281738a3696605f1233bb7863f26 (diff) | |
| download | lwn-4a670ea77b0e31b2f5505443d37a6904981cd470.tar.gz lwn-4a670ea77b0e31b2f5505443d37a6904981cd470.zip | |
mtd: map: fix .set_vpp() documentation
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 <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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mtd/map.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index 5f487d776411..b501e9cd7d3e 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; |