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blk: Make blk_next_free_devnum() public

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blk_next_free_devnum() can be helpful in some cases. Make it
a public API.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng
2018-10-15 02:21:09 -07:00
committed by Simon Glass
parent c515ee5c51
commit c879eeb7aa
2 changed files with 12 additions and 1 deletions
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2
drivers/block/blk-uclass.c
View File

@@ -517,7 +517,7 @@ int blk_find_max_devnum(enum if_type if_type)
return max_devnum; return max_devnum;
} }
static int blk_next_free_devnum(enum if_type if_type) int blk_next_free_devnum(enum if_type if_type)
{ {
int ret; int ret;

11
include/blk.h
View File

@@ -378,6 +378,17 @@ int blk_unbind_all(int if_type);
*/ */
int blk_find_max_devnum(enum if_type if_type); int blk_find_max_devnum(enum if_type if_type);
/**
* blk_next_free_devnum() - get the next device number for an interface type
*
* Finds the next number that is safe to use for a newly allocated device for
* an interface type @if_type.
*
* @if_type: Interface type to scan
* @return next device number safe to use, or -ve on error
*/
int blk_next_free_devnum(enum if_type if_type);
/** /**
* blk_select_hwpart() - select a hardware partition * blk_select_hwpart() - select a hardware partition
* *