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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 16:39:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 16:39:15 -0700
commiteea3a00264cf243a28e4331566ce67b86059339d (patch)
tree487f16389e0dfa32e9caa7604d1274a7dcda8f04 /kernel/resource.c
parente7c82412433a8039616c7314533a0a1c025d99bf (diff)
parente693d73c20ffdb06840c9378f367bad849ac0d5d (diff)
Merge branch 'akpm' (patches from Andrew)
Merge second patchbomb from Andrew Morton: - the rest of MM - various misc bits - add ability to run /sbin/reboot at reboot time - printk/vsprintf changes - fiddle with seq_printf() return value * akpm: (114 commits) parisc: remove use of seq_printf return value lru_cache: remove use of seq_printf return value tracing: remove use of seq_printf return value cgroup: remove use of seq_printf return value proc: remove use of seq_printf return value s390: remove use of seq_printf return value cris fasttimer: remove use of seq_printf return value cris: remove use of seq_printf return value openrisc: remove use of seq_printf return value ARM: plat-pxa: remove use of seq_printf return value nios2: cpuinfo: remove use of seq_printf return value microblaze: mb: remove use of seq_printf return value ipc: remove use of seq_printf return value rtc: remove use of seq_printf return value power: wakeup: remove use of seq_printf return value x86: mtrr: if: remove use of seq_printf return value linux/bitmap.h: improve BITMAP_{LAST,FIRST}_WORD_MASK MAINTAINERS: CREDITS: remove Stefano Brivio from B43 .mailmap: add Ricardo Ribalda CREDITS: add Ricardo Ribalda Delgado ...
Diffstat (limited to 'kernel/resource.c')
-rw-r--r--kernel/resource.c32
1 files changed, 0 insertions, 32 deletions
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