blk: Make blk_next_free_devnum() public

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>

blk: Make blk_next_free_devnum() public
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>
Bin Meng · Simon Glass
1 parent c515ee5c51
Showing 2 changed files with 12 additions and 1 deletions Side-by-side Diff
drivers/block/blk-uclass.c
include/blk.h
@@ -517,7 +517,7 @@
 	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;
  
@@ -379,6 +379,17 @@
 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
  *
  * Select a hardware partition if the device supports it (typically MMC does)
...	...	@@ -517,7 +517,7 @@
517	517	return max_devnum;
518	518	}
519	519
520		-static int blk_next_free_devnum(enum if_type if_type)
	520	+int blk_next_free_devnum(enum if_type if_type)
521	521	{
522	522	int ret;
523	523
...	...	@@ -379,6 +379,17 @@
379	379	int blk_find_max_devnum(enum if_type if_type);
380	380
381	381	/**
	382	+ * blk_next_free_devnum() - get the next device number for an interface type
	383	+ *
	384	+ * Finds the next number that is safe to use for a newly allocated device for
	385	+ * an interface type @if_type.
	386	+ *
	387	+ * @if_type: Interface type to scan
	388	+ * @return next device number safe to use, or -ve on error
	389	+ */
	390	+int blk_next_free_devnum(enum if_type if_type);
	391	+
	392	+/**
382	393	* blk_select_hwpart() - select a hardware partition
383	394	*
384	395	* Select a hardware partition if the device supports it (typically MMC does)