Driver core / MM: Drop offline_memory_block()

Since offline_memory_block(mem) is functionally equivalent to
device_offline(&mem->dev), make the only caller of the former use
the latter instead and drop offline_memory_block() entirely.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Toshi Kani <toshi.kani@hp.com>

1 files changed, 0 insertions, 21 deletions

diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index c7092bc3c01e..4ebf97f99fae 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -728,27 +728,6 @@ int unregister_memory_section(struct mem_section *section)
 }
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 
-/*
- * offline one memory block. If the memory block has been offlined, do nothing.
- *
- * Call under device_hotplug_lock.
- */
-int offline_memory_block(struct memory_block *mem)
-{
-        int ret = 0;
-
-        mutex_lock(&mem->state_mutex);
-        if (mem->state != MEM_OFFLINE) {
-                ret = __memory_block_change_state_uevent(mem, MEM_OFFLINE,
-                                                         MEM_ONLINE, -1);
-                if (!ret)
-                        mem->dev.offline = true;
-        }
-        mutex_unlock(&mem->state_mutex);
-
-        return ret;
-}
-
 /* return true if the memory block is offlined, otherwise, return false */
 bool is_memblock_offlined(struct memory_block *mem)
 {