aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--include/linux/ioport.h8
-rw-r--r--kernel/resource.c32
2 files changed, 0 insertions, 40 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 2c5250222278..388e3ae94f7a 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -196,10 +196,8 @@ extern struct resource * __request_region(struct resource *,
/* Compatibility cruft */
#define release_region(start,n) __release_region(&ioport_resource, (start), (n))
-#define check_mem_region(start,n) __check_region(&iomem_resource, (start), (n))
#define release_mem_region(start,n) __release_region(&iomem_resource, (start), (n))
-extern int __check_region(struct resource *, resource_size_t, resource_size_t);
extern void __release_region(struct resource *, resource_size_t,
resource_size_t);
#ifdef CONFIG_MEMORY_HOTREMOVE
@@ -207,12 +205,6 @@ extern int release_mem_region_adjustable(struct resource *, resource_size_t,
resource_size_t);
#endif
-static inline int __deprecated check_region(resource_size_t s,
- resource_size_t n)
-{
- return __check_region(&ioport_resource, s, n);
-}
-
/* Wrappers for managed devices */
struct device;
diff --git a/kernel/resource.c b/kernel/resource.c
index 19f2357dfda3..90552aab5f2d 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -1034,8 +1034,6 @@ resource_size_t resource_alignment(struct resource *res)
*
* request_region creates a new busy region.
*
- * check_region returns non-zero if the area is already busy.
- *
* release_region releases a matching busy region.
*/
@@ -1098,36 +1096,6 @@ struct resource * __request_region(struct resource *parent,
EXPORT_SYMBOL(__request_region);
/**
- * __check_region - check if a resource region is busy or free
- * @parent: parent resource descriptor
- * @start: resource start address
- * @n: resource region size
- *
- * Returns 0 if the region is free at the moment it is checked,
- * returns %-EBUSY if the region is busy.
- *
- * NOTE:
- * This function is deprecated because its use is racy.
- * Even if it returns 0, a subsequent call to request_region()
- * may fail because another driver etc. just allocated the region.
- * Do NOT use it. It will be removed from the kernel.
- */
-int __check_region(struct resource *parent, resource_size_t start,
- resource_size_t n)
-{
- struct resource * res;
-
- res = __request_region(parent, start, n, "check-region", 0);
- if (!res)
- return -EBUSY;
-
- release_resource(res);
- free_resource(res);
- return 0;
-}
-EXPORT_SYMBOL(__check_region);
-
-/**
* __release_region - release a previously reserved resource region
* @parent: parent resource descriptor
* @start: resource start address