SGI IA64 UV: fix ia64 build error in the linux-next tree

Fix the ia64 build error that occurs in the linux-next tree by introducing
an ia64 version of uv.h.

Additionally, clean up the usage of is_uv_system().

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 3 insertions, 17 deletions

diff --git a/drivers/misc/sgi-gru/gru.h b/drivers/misc/sgi-gru/gru.h
index 1b5f579df15f..f93f03a9e6e9 100644
--- a/drivers/misc/sgi-gru/gru.h
+++ b/drivers/misc/sgi-gru/gru.h
@@ -19,8 +19,6 @@
 #ifndef __GRU_H__
 #define __GRU_H__
 
-#include <asm/uv/uv.h>
-
 /*
  * GRU architectural definitions
  */
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 650983806392..c67e4e8bd62c 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -36,23 +36,11 @@
 #include <linux/interrupt.h>
 #include <linux/proc_fs.h>
 #include <linux/uaccess.h>
+#include <asm/uv/uv.h>
 #include "gru.h"
 #include "grulib.h"
 #include "grutables.h"
 
-#if defined CONFIG_X86_64
-#include <asm/genapic.h>
-#include <asm/irq.h>
-#define IS_UV()         is_uv_system()
-#elif defined CONFIG_IA64
-#include <asm/system.h>
-#include <asm/sn/simulator.h>
-/* temp support for running on hardware simulator */
-#define IS_UV()         IS_MEDUSA() || ia64_platform_is("uv")
-#else
-#define IS_UV()         0
-#endif
-
 #include <asm/uv/uv_hub.h>
 #include <asm/uv/uv_mmrs.h>
 
@@ -381,7 +369,7 @@ static int __init gru_init(void)
         char id[10];
         void *gru_start_vaddr;
 
-        if (!IS_UV())
+        if (!is_uv_system())
                 return 0;
 
 #if defined CONFIG_IA64
@@ -451,7 +439,7 @@ static void __exit gru_exit(void)
         int order = get_order(sizeof(struct gru_state) *
                               GRU_CHIPLETS_PER_BLADE);
 
-        if (!IS_UV())
+        if (!is_uv_system())
                 return;
 
         for (i = 0; i < GRU_CHIPLETS_PER_BLADE; i++)