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mtd: Introduce and use iteration macro for reading the MTD device table

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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Ben Hutchings
2010-01-29 20:57:11 +00:00
committed by David Woodhouse
parent 0040476b0e
commit f1332ba2f2
3 changed files with 45 additions and 34 deletions
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15
drivers/mtd/mtdcore.h
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@@ -9,3 +9,18 @@
extern struct mutex mtd_table_mutex;
extern struct mtd_info *mtd_table[MAX_MTD_DEVICES];
static inline struct mtd_info *__mtd_next_device(int i)
{
while (i < MAX_MTD_DEVICES) {
if (mtd_table[i])
return mtd_table[i];
i++;
}
return NULL;
}
#define mtd_for_each_device(mtd) \
for ((mtd) = __mtd_next_device(0); \
(mtd) != NULL; \
(mtd) = __mtd_next_device(mtd->index + 1))