ARM: Move creation of /proc/cpu out of alignment.c

Always creating this directory avoids other users having to jump
through silly hoops when they want to share this directory.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 19 insertions, 6 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c2238cd474c7..b224216c11db 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -52,6 +52,9 @@ config HAVE_TCM
         bool
         select GENERIC_ALLOCATOR
 
+config HAVE_PROC_CPU
+        bool
+
 config NO_IOPORT
         bool
 
@@ -1229,6 +1232,7 @@ config ALIGNMENT_TRAP
         bool
         depends on CPU_CP15_MMU
         default y if !ARCH_EBSA110
+        select HAVE_PROC_CPU if PROC_FS
         help
           ARM processors cannot fetch/store information which is not
           naturally aligned on the bus, i.e., a 4 byte fetch must start at an
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index c6c57b640b6b..5357e48f2c39 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/smp.h>
 #include <linux/fs.h>
+#include <linux/proc_fs.h>
 
 #include <asm/unified.h>
 #include <asm/cpu.h>
@@ -782,9 +783,21 @@ static int __init topology_init(void)
 
         return 0;
 }
-
 subsys_initcall(topology_init);
 
+#ifdef CONFIG_HAVE_PROC_CPU
+static int __init proc_cpu_init(void)
+{
+        struct proc_dir_entry *res;
+
+        res = proc_mkdir("cpu", NULL);
+        if (!res)
+                return -ENOMEM;
+        return 0;
+}
+fs_initcall(proc_cpu_init);
+#endif
+
 static const char *hwcap_str[] = {
         "swp",
         "half",
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index b270d6228fe2..0c5eb6983cef 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -898,11 +898,7 @@ static int __init alignment_init(void)
 #ifdef CONFIG_PROC_FS
         struct proc_dir_entry *res;
 
-        res = proc_mkdir("cpu", NULL);
-        if (!res)
-                return -ENOMEM;
-
-        res = create_proc_entry("alignment", S_IWUSR | S_IRUGO, res);
+        res = create_proc_entry("cpu/alignment", S_IWUSR | S_IRUGO, NULL);
         if (!res)
                 return -ENOMEM;