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mtd: uclinux: add a comment about why uclinux_ram_map must not be static

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I was (at least) the second person trying to fix a warning by sparse, so
document in the code why this is a bad idea and add an extern declaration to
make sparse happy.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Uwe Kleine-König 2013-01-16 15:36:56 +01:00 committed by Artem Bityutskiy
parent 81f53ff89c
commit 44fe63fc0f
1 changed files with 6 additions and 0 deletions
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6
drivers/mtd/maps/uclinux.c
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@ -29,6 +29,12 @@
#define MAP_NAME "ram" #define MAP_NAME "ram"
#endif #endif
/*
* Blackfin uses uclinux_ram_map during startup, so it must not be static.
* Provide a dummy declaration to make sparse happy.
*/
extern struct map_info uclinux_ram_map;
struct map_info uclinux_ram_map = { struct map_info uclinux_ram_map = {
.name = MAP_NAME, .name = MAP_NAME,
.size = 0, .size = 0,